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Journal articles on the topic 'Elytra'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

KESKIN, BEKIR, and MAXIM V. NABOZHENKO. "Idahelops alpagutae (Coleoptera: Tenebrionidae: Helopini): a new genus and species from the Aegean region of Turkey." Zootaxa 3207, no. 1 (2012): 63. http://dx.doi.org/10.11646/zootaxa.3207.1.5.

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Idahelops alpagutae, a new genus and species, is described from Aegean region of Turkey (Balikesir and Izmir provinces).Idahelops belongs to the cylindrinotoid group of the subtribe Cylindrinotina. The genus is close to Armenohelops Nabo-zhenko, 2002, from which it differs in the presence of large granules on the elytral intervals, the epipleural carina raisedand reaching the elytal apex (the apical part of the elytra of Armenohelops is sloping, without a horizontal platform), and the completely pubescent body (Armenohelops is without pubescence).

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2

Legalov, Andrei A. "Two new species of genus Imachra Pascoe, 1874 (Coleoptera: Curculionidae) from Vietnam." Ecologica Montenegrina 73 (May 9, 2024): 39–45. http://dx.doi.org/10.37828/em.2024.73.4.

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Two new species of the genus Imachra Pascoe, 1874 are described from the Hòa Bình Province, Vietnam. Imachra (Orchestoides) zinchenkoi sp. n. differs from Imachra shirozui (Morimoto, 1964) in the wide pronotum, more robust elytra, black tibiae, femora and rostrum, densely punctate elytral interstriae, pronotum without three stripes of scales, elytra without postscutellar patch of scales and subbasal patches. Imachra (Orchestoides) colonnellii sp. n. differs from Imachra nipponica (Morimoto, 1964) in the black body, pronotum and elytra without patches and stripes of scales, longer rostrum and d

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3

Schwerk, Axel, and Radomir Jaskuła. "Rare patterns of dorsal puncture inPterostichus oblongopunctatus(Coleoptera: Carabidae)." PeerJ 6 (April 20, 2018): e4657. http://dx.doi.org/10.7717/peerj.4657.

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BackgroundThe carabid beetle speciesPterostichus oblongopunctatusis common in different types of forests in Poland and Europe. With respect to this species, some unclarities exist concerning the morphological feature of punctures on the elytra.P. oblongopunctatushas dorsal pits in the third interval of the elytra, the available identification keys, however, provide inconsistent information concerning the puncture in other intervals. During long-term studies at different study sites in Poland, the first author rarely but regularly discovered individuals with unusual dorsal puncture patterns, i.

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4

Legalov, Andrei A. "Orthosinus laosensis Legalov, a new species of the tribe Strombocerini (Coleoptera: Curculionidae) from North-eastern Laos." Ecologica Montenegrina 51 (February 15, 2022): 15–18. http://dx.doi.org/10.37828/em.2022.51.2.

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A new species, Orthosinus laosensis Legalov, sp. nov. from Laos (Hua Phan Prov.) is described and illustrated. This new species differs from O. direptus (Marshall, 1931) in the longer and narrower elytra, wider elytral interstriae and not coarsely punctate pronotum with subparallel sides and from O. tuberculatus Legalov, 2021 in the suboval elytra without large pilose pustules, and the pronotum longer than wide. A list of species of the genus Orthosinus Motschulsky, 1863 is given.

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5

Johansson, L. Christoffer, Sophia Engel, Emily Baird, Marie Dacke, Florian T. Muijres, and Anders Hedenström. "Elytra boost lift, but reduce aerodynamic efficiency in flying beetles." Journal of The Royal Society Interface 9, no. 75 (2012): 2745–48. http://dx.doi.org/10.1098/rsif.2012.0053.

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Flying insects typically possess two pairs of wings. In beetles, the front pair has evolved into short, hardened structures, the elytra, which protect the second pair of wings and the abdomen. This allows beetles to exploit habitats that would otherwise cause damage to the wings and body. Many beetles fly with the elytra extended, suggesting that they influence aerodynamic performance, but little is known about their role in flight. Using quantitative measurements of the beetle's wake, we show that the presence of the elytra increases vertical force production by approximately 40 per cent, ind

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6

ALOQUIO, SERGIO, GUSTAVO E. FLORES, and CRISTIANO LOPES-ANDRADE. "A new synonym of Neomida luteonotata (Pic, 1926) (Coleoptera: Tenebrionidae: Diaperini)." Zootaxa 4300, no. 3 (2017): 438. http://dx.doi.org/10.11646/zootaxa.4300.3.6.

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The genus Neomida Latreille, 1829 (Tenebrionidae: Diaperini) comprises 42 species in the New World (Triplehorn, 2006). Species from America north of Colombia have been recently revised in detail by Triplehorn (2006), who additionally provided general notes on other New World representatives. One of these taxa was Neomida luteonotata (Pic, 1926). This species is easily recognized among its congeners by the unique elytral coloration, which consists of a large shield-shaped black spot in the middle and yellowish to reddish brown area around it. The area of the elytra covered by the median spot is

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7

Vlasak, Josef, and Antonio Santos-Silva. "Description of two new species of Xenocona Gilmour (Coleoptera, Cerambycidae, Lamiinae) from Ecuador." Papéis Avulsos de Zoologia 62 (November 1, 2022): e202262070. http://dx.doi.org/10.11606/1807-0205/2022.62.070.

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Xenocona Gilmour, 1960 (Acanthocinini) includes seven species distributed through Central America and northern South America. Here we describe two new species from Ecuador: X. audureaui (differing from other species of the genus by the presence of large dark macula on dorsal surface of the basal ⅔ of the elytra combined with the absence of narrow white pubescent lines on other areas of the elytra) and X. uniformis (differing from the other species of the genus by the spiniform outer elytral angle).

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8

Legalov, Andrei A. "A new species of the genus Asiodonus Legalov, 2010 (Coleoptera: Curculionidae) from Amurskaya Oblast and Khabarovskii Krai (Russia, Far East)." Ecologica Montenegrina 51 (February 15, 2022): 19–24. http://dx.doi.org/10.37828/em.2022.51.3.

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A new species, Asiodonus vladimiri Legalov, sp. nov. from Amurskaya Oblast and Khabarovskii Krai, South of the Russian Far East is described and illustrated. The new species is similar to A. streltzovi Legalov, 2012 from Amurskaya Oblast but differs from it in the weaker elongated apex of the aedeagus, longer elytra, weaker smoothed elytral humeri, developed wings, and weakly rufous scales on the sutural interstriae of the elytra. A distribution map for A. vladimiri Legalov, sp. nov. and A. streltzovi Legalov, 2012 is given.

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9

PLYUSCHEVA, MARIA, and DANIEL MARTIN. "On the morphology of elytra as luminescent organs in scale-worms (Polychaeta, Polynoidae)." Zoosymposia 2, no. 1 (2009): 379–89. http://dx.doi.org/10.11646/zoosymposia.2.1.26.

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Polynoid polychaetes are common marine invertebrates worldwide that are characterized by bearing series of paired elytra attached to dorsal prominences (the elytrophores) arising from the notopodia, and whose dorsal surface is usually ornamented with different papillae (usually thought to be sensory organs). Upon stimulation, some species of the sub-family Polynoinae are able to emit light flashes from the ventral epithelium of the elytra. This bioluminescence originates in a protein called polynoidin, and seems to be induced by the destruction of the electrochemical coupling between body and

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10

PERGER, ROBERT, and FERNANDO GUERRA. "Two new tiger beetle (Coleoptera, Carabidae, Cicindelitae) species from the Tucuman-Bolivian forest in the National Tariquia Reserve, Bolivia." Zootaxa 3434, no. 1 (2012): 49. http://dx.doi.org/10.11646/zootaxa.3434.1.3.

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Two new tiger beetle species from subhumid Tucuman-Bolivian forest in the National Tariquia Reserve in Tarija, Bolivia, are described and illustrated. Cylindera (Plectographa) yaguaree n. sp. is the first described Neotropical species in this genus that has setae over the complete elytral surface. Pseudoxycheila tucumana n. sp. closely resembles Pseudoxycheila andina Cassola, but is readily distinguished by spots on elytra longer than elytra width. These two new species are likely endemic to Tucuman-Bolivian forest and bring the known endemic forest tiger beetle fauna of this ecoregion to thre

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11

A.A., Legalov. "Catalabus kryzhanovskyi sp. n., a new species of the leaf-rolling weevils (Coleoptera: Attelabidae) from Northern Vietnam." Caucasian Entomological Bulletin 18, no. 2 (2022): 167–70. https://doi.org/10.23885/181433262022182-167170.

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<strong>Abstract.</strong> A new species <em>Catalabus kryzhanovskyi</em> <strong>sp. n.</strong> (Coleoptera: Attelabidae: Attelabinae: Attelabini: Paramecolabina) is described from Northern Vietnam (Yên Bái Province). This species is similar to <em>C. barsevskisi</em> Legalov, 2019 from Vietnam (Kon Tum Province), but differs in the reddish-brown elytra, pronotal constrictions with bronze sheen, non-rugose elytral interstriae, narrower metepisternum, weakly developed basal sclerite, stronger sclerotized lower sclerites with smooth top edges. The new species is distingu

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12

Legalov, Andrei A. "New species of the genera Dryophthorus Germar, 1823 and Stenommatus Wollaston, 1873 (Coleoptera: Curculionidae) from Philippines and New Guinea." Ecologica Montenegrina 55 (September 7, 2022): 69–74. http://dx.doi.org/10.37828/em.2022.55.9.

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Three new species, Dryophthorus luzonensis Legalov, sp. nov. from North Luzon (Kalinga, Ifugao and Mountain prov.), D. orientalis Legalov, sp. nov. from North Luzon (Benguet and Ifugao prov.), and Stenommatus telnovi Legalov, sp. nov. from New Guinea (Star Mountains) are described and illustrated. Dryophthorus luzonensis Legalov, sp. nov. differs from D. subtruncatus Voss, 1940 in the elytra narrowed from the humeri to an apex and with sharp pronotal constriction; D. orientalis Legalov, sp. nov. differs from D. subtruncatus and D. luzonensis Legalov, sp. nov. in the elytral interstria 3 connec

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13

SASSI, DAVIDE. "A new genus of Pachybrachini from Bolivia (Coleoptera: Chrysomelidae: Cryptocephalinae)." Zootaxa 5588, no. 3 (2025): 455–64. https://doi.org/10.11646/zootaxa.5588.3.4.

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Griburella gen. nov. is described from Central Bolivia, with Griburella sanctaecrucis sp. nov. as the sole species belonging to it. The new taxon superficially resembles certain forms of the polymorphic (and likely polyphyletic) genus Griburius Haldeman, 1849 but no species of the latter, nor any Pachybrachini known up to now, has appendiculate claws, as observed in Griburella gen. nov. The latter also differs from Griburius in its narrow and elongated prosternal process, the absence of the typical thickening of the forelegs in males, and the presence of extremely dense and regularly spaced pu

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14

Sun, Jiyu, Chao Liu, Bharat Bhushan, Wei Wu, and Jin Tong. "Effect of microtrichia on the interlocking mechanism in the Asian ladybeetle, Harmonia axyridis (Coleoptera: Coccinellidae)." Beilstein Journal of Nanotechnology 9 (March 6, 2018): 812–23. http://dx.doi.org/10.3762/bjnano.9.75.

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The hindwings of beetles are folded under the elytra when they are at rest but are extended during flight, which can provide bioinspiration for the design of deployable micro air vehicles (MAVs). Beetle hindwings must be able to be both securely locked under the elytra and freely extended for flight, depending on the required action. To investigate the locking mechanism, this study used environmental scanning electron microscopy (ESEM) to examine the microstructures of the elytra, hindwings and abdomen of the Asian ladybeetle, Harmonia axyridis (Pallas, 1773). On the ventral side (VS) of the e

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15

Carrada, Marzia, Mohamed Haddad, Luis M. San-Jose, Gonzague Agez, Jean-Marie Poumirol, and Alexandra Magro. "Decoding ladybird’s colours: Structural mechanisms of colour production and pigment modulation." PLOS One 20, no. 6 (2025): e0324641. https://doi.org/10.1371/journal.pone.0324641.

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This study investigates the mechanisms underlying colour production in the family Coccinellidae, focusing on two model species: Adalia bipunctata (L.) and Calvia quatuordecimguttata (L.). In this family, colours have traditionally been attributed primarily to pigments such as carotenoids and melanins. We propose an alternative perspective, considering the elytra as an integrated optical medium whose optical properties – and hence colouration – result from both its architectural design and the properties of its constituent materials, including matrix and pigments. In the present work, the elytr

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16

Bieńkowski, A. O. "Two new species of the subgenus Pleurosticha of the genus Chrysolina (Coleoptera: Chrysomelidae) from the mountains of southern Siberia (Altai and Tyva)." Zoosystematica Rossica 32, no. 1 (2022): 75–84. http://dx.doi.org/10.31610/zsr/2023.32.1.75.

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Two new species from the subgenus Pleurosticha of the genus Chrysolina are described from the mountains of southern Siberia (Russia): Ch. reshetnikovi sp. nov. (Republic of Altai) and Ch. borisi sp. nov. (Republic of Tyva). Chrysolina reshetnikovi sp. nov. has a slightly convex body, a blue-green coloration of the upper side, regular puncture rows of the elytra and mostly flat elytral intervals, which distinguish this species from all species of the subgenus, except for Ch. shapkini Mikhailov et Gus’kova, 2013. The main distinguishing features of the male of the new species from Ch. shapkini a

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17

Legalov, Andrei A. "Four new species of the genera Dryophthoroides Roelofs, 1879 and Nephius Pascoe, 1885 (Coleoptera, Curculionidae) from Oriental and Papuan Regions." Ecologica Montenegrina 58 (October 26, 2022): 42–49. http://dx.doi.org/10.37828/em.2022.58.4.

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Four new species of the genera Dryophthoroides Roelofs, 1879 and Nephius Pascoe, 1885 from the tribe Stromboscerini of the subfamily Dryophthorinae are described and illustrated. Dryophthoroides telnovi Legalov, sp. nov. from New Guinea (Star Mountains) is similar to D. seftoni (Zimmermann, 1944) bit differs in the shorter and thicker rostrum and narrower pronotum. It is distinguish from D. beccarii (Pascoe, 1885) in the smaller body size, thicker rostrum, coarser punctured pronotum, not subparallel elytra and narrower elytral interstriae. Dryophthoroides insularis Legalov, sp. nov. from North

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18

Schütz, Claudia, and Konrad Dettner. "Cantharidin-Secretion by Elytral Notches of Male Anthicid Species (Coleoptera: Anthicidae)." Zeitschrift für Naturforschung C 47, no. 3-4 (1992): 290–99. http://dx.doi.org/10.1515/znc-1992-3-420.

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Abstract Within the beetle family Anthicidae or ant-like flower beetles the canthariphilous species Notoxus monoceros shows a pair of notch-like structures on the apices of male elytra. A reservoir- like swelling at the apex of each elytron contains a bilobed gland. Its glandular tubules run into the sclerotized notch. Gaschromatographic investigations of elytral notches and the testes of cantharidin-fed and unfed male Notoxus monoceros revealed huge quantities of cantharidin stored in these organs in fed specimens. Other body parts, such as legs, elytral parts or flight muscles, had low canth

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19

Legalov, Andrei A., and Sergei V. Reshetnikov. "Asiodonus lobanovi Legalov & Reshetnikov, a new species of the tribe Hyperini (Coleoptera: Curculionidae) from Altai (Western Siberia)." Ecologica Montenegrina 36 (November 13, 2020): 46–52. http://dx.doi.org/10.37828/em.2020.36.4.

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A new species, Asiodonus lobanovi Legalov & Reshetnikov, sp. nov. from Altai is described and illustrated. It is similar to A. herteshensis (Legalov, 2008) but differs in the scapus not reaching eyes, wider elytral and pronotal scales bifid at apex, more elongated elytra, narrower rostrum, partially reddish-brown antennae, distinctly pointed and curved aedeagus

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20

Legalov, Andrei A. "New species of the genus Orthorhynchoides Legalov, 2007 (Coleoptera: Belidae) from the Papuan Region." Ecologica Montenegrina 78 (August 30, 2024): 34–46. http://dx.doi.org/10.37828/em.2024.78.5.

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Four new species of the subgenus Guineorhinotia Legalov, 2007 of the genus Orthorhynchoides Legalov, 2007 of Belinae (Belidae) are described from Papua New Guinea and Indonesian Raja Ampat Archipelago. Orthorhynchoides (Guineorhinotia) rosseliensis sp. n. from Rossel Island (Louisiade Archipelago) differs from O. (G.) telnovi Legalov, 2023 in the coarsely punctate pronotum, the elytra with coarse punctation and six spots of pale setae. Orthorhynchoides (G.) titovi sp. n. from Morobe Province differs from O. (G.) wallacei (Pascoe, 1874) in the elytra with greenish lustre and large punctation an

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21

Legalov, Andrei, and Andris Bukejs. "A new genus of the tribe Ceutorhynchini (Coleoptera: Curculionidae) in Baltic amber." Entomologica Fennica 29, no. 4 (2018): 184–90. http://dx.doi.org/10.33338/ef.77305.

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A new genus, Baltocoeliodes gen. n. (type species: B. sontagae sp. n.) is described and illustrated from Eocene Baltic amber. Baltocoeliodes is close to Coeliodinus Dieckmann, 1972 but differs by having the femora with a large tooth, robust elytra, and elytral intervals with rasp-like granules. It differs from the genus Brevicoeliodes Korotyaev, 1997 by the short apical comb of setae on the protibiae, the long and curved rostrum, femora with a large tooth, and elytral intervals with rasp-like granules.

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22

Legalov, A. A. "A new species of the genus Caenorhinus Thomson, 1859 (Coleoptera: Rhynchitidae) from Vietnam." Far Eastern entomologist 445 (January 9, 2022): 1–6. http://dx.doi.org/10.25221/fee.445.1.

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Caenorhinus (Flavodeporaus) belokobylskii sp. n. is described and illustrated from Northwest Vietnam. The new species is similar to C. (F.) lobanovi Legalov, 2021 from Laos but differs in the protibiae of males with mucro, longer and thinner rostrum, slender antennae, densely punctate head and pronotum, convex elytral interstriae, brownish-yellow elytra, slightly tapered aedeagus, and armament of the endophallus.

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23

Kasatkin, D. G. "A new species of Ceresium Newman, 1842 (Coleoptera, Cerambycidae) from Thailand." Far Eastern entomologist 476 (June 6, 2023): 20–24. http://dx.doi.org/10.25221/fee.476.3.

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A new unusual species of the genus Ceresium Newman, 1842 is described from SE Thailand. Ceresium svetlanae sp. n. characterized by black body coloration, white transversal band on elytra, and white spots in pronotal edges. Elytral and pronotal tomentose cover is represented by scaly setae and scales, last tarsomeres with ventral large hook-like spine on apex.

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24

Stavenga, Doekele G., Bodo D. Wilts, Hein L. Leertouwer, and Takahiko Hariyama. "Polarized iridescence of the multilayered elytra of the Japanese jewel beetle, Chrysochroa fulgidissima." Philosophical Transactions of the Royal Society B: Biological Sciences 366, no. 1565 (2011): 709–23. http://dx.doi.org/10.1098/rstb.2010.0197.

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The elytra of the Japanese jewel beetle Chrysochroa fulgidissima are metallic green with purple stripes. Scanning electron microscopy and atomic force microscopy demonstrated that the elytral surface is approximately flat. The accordingly specular green and purple areas have, with normal illumination, 100–150 nm broad reflectance bands, peaking at about 530 and 700 nm. The bands shift progressively towards shorter wavelengths with increasing oblique illumination, and the reflection then becomes highly polarized. Transmission electron microscopy revealed that the epicuticle of the green and pur

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25

A.A., Legalov. "Caenorhinus lobanovi, a new species of the tribe Deporaini (Coleoptera: Rhynchitidae) from Laos." Caucasian Entomological Bulletin 17, no. 1 (2021): 219–21. https://doi.org/10.23885/181433262021171-219221.

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<em><strong>Abstract. </strong></em>A new species, <em>Caenorhinus </em>(<em>Flavodeporaus</em>) <em>lobanovi </em><strong>sp. n. </strong>from Central Laos is described and illustrated. This new species differs from <em>Caenorhinus </em>(<em>Flavodeporaus</em>) <em>guskovae </em>Legalov, 2021 from Laos in the unicoloured body (in <em>C.</em> (<em>F.</em>) <em>guskovae </em>body is yellow; 1st to 10th antennomeres, apex of rostrum, base of elytra, tibia, 1st and 5th tarsomeres black; mandibles, 11th antennomere, metaventrite, metaepisternum, places of tibial attachment, apex of tibia, 2nd and

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26

Karlsson Green, Kristina, Alexander Kovalev, Erik I. Svensson, and Stanislav N. Gorb. "Male clasping ability, female polymorphism and sexual conflict: fine-scale elytral morphology as a sexually antagonistic adaptation in female diving beetles." Journal of The Royal Society Interface 10, no. 86 (2013): 20130409. http://dx.doi.org/10.1098/rsif.2013.0409.

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During sexual conflict, males and females are expected to evolve traits and behaviours with a sexually antagonistic function. Recently, sexually antagonistic coevolution was proposed to occur between male and female diving beetles (Dytiscidae). Male diving beetles possess numerous suction cups on their forelegs whereas females commonly have rough structures on their elytra. These rough structures have been suggested to obstruct adhesion from male suction cups during mating attempts. However, some diving beetle species are dimorphic, where one female morph has a rough elytra and the other has a

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27

Cheng, Man-Hong, Kai-Yun Fu, Wei Zhou, Ji-Feng Shi, and Wen-Chao Guo. "Silencing Miniature Gene Disrupts Elytral and Hindwing Structures in Leptinotarsa decemlineata." Insects 16, no. 7 (2025): 700. https://doi.org/10.3390/insects16070700.

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The Colorado potato beetle (Leptinotarsa decemlineata, CPB) is a major pest in potato crops, notorious for its rapid dispersal and insecticide resistance, which are enabled by its robust elytra and flight-capable hindwings. The Miniature (Mi) gene, encoding a protein with a zona pellucida (ZP) domain, is involved in wing development and cuticle integrity, yet its functional role in beetles remains underexplored. In this study, we cloned and characterized the LdMi gene in the CPB and investigated its function using RNA interference (RNAi), morphological analyses, and spectroscopy. LdMi encodes

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28

Li, Yan-Da, Shûhei Yamamoto, Di-Ying Huang, and Chen-Yang Cai. "New species of Paraodontomma from mid-Cretaceous Burmese amber with muscle tissue preservation (Coleoptera: Archostemata: Ommatidae)." Papéis Avulsos de Zoologia 61 (June 4, 2021): e20216153. http://dx.doi.org/10.11606/1807-0205/2021.61.53.

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The third member of the extinct ommatid genus Paraodontomma is reported from mid-Cretaceous Burmese amber. Our observation confirms the transverse ridges on elytra as a diagnostic character for the genus. Paraodontomma leptocristatum sp. nov. differs from previously reported congeners mainly in head subquadrate and without prominent protuberances, pronotal disc without prominent ridges, elytral ridges indistinct, and teeth along elytral margins not forming a wavy pattern. Musculature is preserved in the newly discovered specimen of P. leptocristatum, which further demonstrates the preservation

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29

Legalov, Andrei A. "First record of the genus Prionobrachium Faust, 1894 (Coleoptera: Curculionidae) from Colombian copal." Ecologica Montenegrina 79 (October 29, 2024): 113–17. http://dx.doi.org/10.37828/em.2024.79.10.

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A new species, Prionobrachium gusakovi sp. n. (Curculioninae: Prionobrachiini) is described from Holocene Colombian copal. The new species differs from Prionobrachium nigrum Hustache, 1938 in the rare and finely punctate pronotum, smooth elytral interstriae, white scales forming a stripe in the first half of the third elytral interstria, and the last interstria in the apical third of the elytra with white scales. This is the first record of the tribe Prionobrachiini for Colombia and the first find of this group in the fossil state. A list of species of the genus Prionobrachium is given.

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30

Davidian, G.E. "New species of weevils of the genus Trachyphloeoides Formánek, 1907 (Coleoptera: Curculionidae: Blosyrini) from China." Caucasian Entomological Bulletin 19, no. 2 (2023): 199–211. https://doi.org/10.5281/zenodo.8345084.

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Brief morphological characteristic of the little known genus <em>Trachyphloeoides</em> Formánek, 1907 (type species <em>T. sordidus</em> Faust, 1890) is given. It is known from Gansu, Sichuan and Yunnan provinces in China. The genus includes eight species, from which six are described herein as new for science: <em>T. sordidus</em> (Gansu Province), <em>T. io</em> Grebennikov, 2018 (Yunnan Province), <em>T. belousovi</em> sp. n. (Sichuan Province), <em>T. hartmanni</em> sp. n. (Sichuan Province), <em>T. kabaki</em> sp. n. (Yunnan Province), <em>T. potanini</em> sp. n. (Gansu Province),

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31

Mermudes, Jose R. M. "Revision of Piezochaerus (Coleoptera: Cerambycidae)." Revista Brasileira de Zoologia 25, no. 2 (2008): 309–13. http://dx.doi.org/10.1590/s0101-81752008000200018.

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Piezochaerus and the species P. bondari Melzer, 1932 (type-species) are redescribed. Three new species are described from Brazil: P. monnei sp. nov. (Linhares, Espírito Santo) have dorsal pubescence whitish gray with a bluish reflection depending on the direction of illumination; basal half of the epipleuron with a spot formed by orangish pubescence; P. melzeri sp. nov. (Pedra Azul, Minas Gerais and Pedro Canário, Espírito Santo) with elytra narrower at the apex, sides converging towards the apex beginning at the basal 1/3; apex without external spine; elytral pubescence yellowish with brownis

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Legalov, Andrei A. "A new species of the genus Orthosinus Motschulsky, 1863 (Coleoptera, Curculionidae) from Laos." Ecologica Montenegrina 46 (November 2, 2021): 80–83. http://dx.doi.org/10.37828/em.2021.46.6.

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A new species, Orthosinus tuberculatus Legalov, sp. nov. from Laos (Hua Phan Prov.) is described and illustrated. This new species is similar to O. foveatus Voss, 1953 from China but differs from it in the larger body sizes, the pronotum of equal length and width, wide elytral interstriae and narrow striae. It differs from other species of this genus in the wide elytra evenly rounded at the apex with rounded sides.

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Zubov, A. S., N. V. Ivshin, A. Yu Titarenko, and D. A. Romanov. "Description of a new species of Chrysina Kirby, 1828 (Coleoptera: Scarabaeidae: Rutelinae) from optima group, based on morphological characters and mtDNA COX I molecular marker." Acta Biologica Sibirica 5, no. 4 (2019): 150–55. http://dx.doi.org/10.14258/abs.v5.i4.7176.

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A new species of the genus Chrysina Kirby, 1828 is decribed from Panama. Chrysina valentini sp.n. is related to Chrysina tricolor (Ohaus, 1922) and Chrysina optima (H. W. Bates, 1888) in morphology and mtDNA COX I molecular marker. Three related species differ in elytra colour, elytral striae, and number of tubercles on foreleg femur. The morphological divergence of the compared species is supported by distances in mtDNA COI molecular marker.

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Cuesta, Eva, and Jorge M. Lobo. "Visible and near-infrared radiation may be transmitted or absorbed differently by beetle elytra according to habitat preference." PeerJ 7 (November 25, 2019): e8104. http://dx.doi.org/10.7717/peerj.8104.

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Background The exoskeleton of an insect could be an important factor in the success of its evolutionary process. This reaches its maximum expression in beetles, which constitute the most diversified animal taxon. The involvement in the management of environmental radiation could be one of the most important functions of the exoskeleton due to the passive contributions to the thermoregulation of body temperature. We study whether the elytra of two sympatric and closely related beetle species respond differentially to the radiation of distinct wavelengths in agreement with their ecological prefe

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35

Yang, Ruigang, Jianhua Huang, and Guanglin Xie. "Synopsis of the Genus Trichorondonia Breuning, 1965 with Description of a New Species from China (Coleoptera: Cerambycidae)." Insects 16, no. 7 (2025): 743. https://doi.org/10.3390/insects16070743.

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This paper provides a brief review of the genus Trichorondonia Breuning, 1965. A new species, Trichorondonia wenkaii sp. nov. (文凯毛郎氏天牛), is described and illustrated. Trichorondonia kabateki Viktora, 2024 is newly recorded in Hubei province, with the first description of the male. Additionally, photographs of the holotypes of three previously described species are presented. A key to the four species is given. The new species differs from T. pilosipes and T. hybolasioides in having elytra with rounded lateral apical angles and a vertex with blackish-brown pubescence medially behind the eyes. T

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36

Shokhin, I.V. "A new species of Anisoplia Schonherr, 1817 (Coleoptera: Scarabaeidae: Rutelinae) from Rostov Region, Russia." Caucasian Entomological Bulletin 20, no. 1 (2024): 89–91. https://doi.org/10.5281/zenodo.10894286.

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The nominotypical subgenus of the genus <em>Anisoplia</em> Schönherr, 1817 contains over 50 species, nine of which are known in the European Russia: <em>A. agricola</em> Poda von Neuhaus, 1761, <em>A. brenskei</em> Reitter, 1889, <em>A. deserticola</em> Fischer von Waldheim, 1824, <em>A. faldermanni</em> Reitter, 1883, <em>A. kiritshenkoi</em> Medvedev, 1949, <em>A. parva</em> Kraatz, 1883, <em>A. signata</em> Faldermann, 1835, <em>A. ungulata</em> Baraud, 1991, <em>A. zwickii</em> Fischer von Waldheim, 1824. Three species (<em>A. agricola</em>, <em>A. deserticola</em>, <em>A. zwickii</em

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SHIN, CHULWOO, CAROLINE S. CHABOO, and SHAWN M. CLARK. "Revision of the endemic Hispaniolan genus Asteriza Chevrolat, 1836, with description of two new species (Coleoptera: Chrysomelidae: Cassidinae: Ischyrosonychini)." Zootaxa 3227, no. 1 (2012): 34. http://dx.doi.org/10.11646/zootaxa.3227.1.2.

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The cassidine genus Asteriza Chevrolat, 1836 is redescribed and two new species, Asteriza blakeae Shin, Chaboo & Clarkand Asteriza tainosa Shin, Chaboo & Clark, are described from the Dominican Republic. A phylogenetic analysis and anillustrated key to the four Asteriza species are provided. Asteriza blakeae is diagnosed by the reddish lateral margin of thepronotum and more swollen brownish elytral margins. Asteriza tainosa is diagnosed by the relatively swollen maxillary and labial palpi and dominant yellow coloration of the elytra and pronotum.

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38

Gonzalez, Brett C., Victor M. Conde-Vela, and Karen J. Osborn. "Synonymization of two, monotypic black-coral-commensal scale worm genera, Antipathipolyeunoa Pettibone, 1991 and Parahololepidella Pettibone, 1969 (Polynoidae, Aphroditiformia)." ZooKeys 1178 (September 1, 2023): 61–68. http://dx.doi.org/10.3897/zookeys.1178.106101.

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Parahololepidella Pettibone, 1969 is a polynoid genus commensal with the antipatharian genus Tanacetipathes Opresko, 2001. These scale worms are elongate with numerous segments and small elytra. To date, the only other known polynoid associated with Tanacetipathes is Antipathipolyeunoa Pettibone, 1991. By re-examining the holotype of Antipathipolyeunoa, we have identified several overlooked characters that no longer distinguish this genus from Parahololepidella. Based on the presence of chaetae on the tentacular segment and elytral irregularity on posterior segments, we propose synonymizing An

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Gonzalez, Brett C., Victor M. Conde-Vela, and Karen J. Osborn. "Synonymization of two, monotypic black-coral-commensal scale worm genera, Antipathipolyeunoa Pettibone, 1991 and Parahololepidella Pettibone, 1969 (Polynoidae, Aphroditiformia)." ZooKeys 1178 (September 1, 2023): 61–68. https://doi.org/10.3897/zookeys.1178.106101.

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Parahololepidella Pettibone, 1969 is a polynoid genus commensal with the antipatharian genus Tanacetipathes Opresko, 2001. These scale worms are elongate with numerous segments and small elytra. To date, the only other known polynoid associated with Tanacetipathes is Antipathipolyeunoa Pettibone, 1991. By re-examining the holotype of Antipathipolyeunoa, we have identified several overlooked characters that no longer distinguish this genus from Parahololepidella. Based on the presence of chaetae on the tentacular segment and elytral irregularity on posterior segments, we propose synonymizing An

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Neri, Paolo, and Luca Toledano. "Notes on taxonomy and geography of Bembidion (Neja ) leucoscelis Chaudoir and Bembidion (Neja ) curtulum Duval (Coleoptera: Carabidae: Bembidiina)." Entomologist's Monthly Magazine 160, no. 1 (2024): 53–66. http://dx.doi.org/10.31184/m00138908.1601.4208.

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The systematic relationship of Bembidion ( Neja ) leucoscelis Chaudoir, 1850, and Bembidion ( Neja ) curtulum Duval, 1851, is examined. A new subspecies of B. curtulum from the Middle East is described and the subspecies tripolitanum Schatzmayr, 1937, is assigned to Bembidion curtulum (comb. n). The distribution of the species and subspecies is re-examined and the main diagnostic characters emphasized, including the importance of aedeagal structure and elytral microsculpture. The species Bembidion ( Chlorodium ) almum almum Sahlberg, 1900, is reported for Armenia and the Altaj Republic (Russia

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Korotyaev, B. A., and M. A. Alonso-Zarazaga. "A new species of the weevil genus Theodorinus Korotyaev, 1982 (Coleoptera: Curculionidae: Ceutorhynchinae) from Spain." Zoosystematica Rossica 19, no. 2 (2010): 347–51. http://dx.doi.org/10.31610/zsr/2010.19.2.347.

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Theodorinus (Atlantonyx) lopezcoloni sp. nov. is described from Spain, closely related to Th. latipennis (Pic, 1905) from Algeria and Morocco, but differing in the noticeably narrower body, uniformly flat elytral intervals, narrower tarsi with 3rd tarsomere only slightly wider than 2nd, somewhat less convex scales, and absence of erect setae in the depression on anal ventrite in male. In the shape of body, evenly flat elytral intervals, position of the tubercle on 5th interval, and absence of erect setae on male anal ventrite the new species is more similar to the Moroccan Th. peyerimhoffi Kor

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Mouchet, Sébastien R., Michaël Lobet, Branko Kolaric, et al. "Controlled fluorescence in a beetle's photonic structure and its sensitivity to environmentally induced changes." Proceedings of the Royal Society B: Biological Sciences 283, no. 1845 (2016): 20162334. http://dx.doi.org/10.1098/rspb.2016.2334.

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The scales covering the elytra of the male Hoplia coerulea beetle contain fluorophores embedded within a porous photonic structure. The photonic structure controls both insect colour (reflected light) and fluorescence emission. Herein, the effects of water-induced changes on the fluorescence emission from the beetle were investigated. The fluorescence emission peak wavelength was observed to blue-shift on water immersion of the elytra whereas its reflectance peak wavelength was observed to red-shift. Time-resolved fluorescence measurements, together with optical simulations, confirmed that the

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43

Kundanati, Lakshminath, Roberto Guarino, and Nicola M. Pugno. "Stag Beetle Elytra: Localized Shape Retention and Puncture/Wear Resistance." Insects 10, no. 12 (2019): 438. http://dx.doi.org/10.3390/insects10120438.

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Beetles are by far one of the most successful groups of insects, with large diversity in terms of number of species. A part of this success is attributed to their elytra, which provide various functions such as protection to their bodies from mechanical forces. In this study, stag beetle (Lucanus cervus) elytra were first examined for their overall flexural properties and were observed to have a localized shape-retaining snap-through mechanism, which may play a possible role in partly absorbing impact energy, e.g., during battles and falls from heights. The snap-through mechanism was validated

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Legalov, Andrei A. "Two new species of the genus Aporhina Boisduval, 1835 (Coleoptera: Brentidae) from New Guinea." Ecologica Montenegrina 80 (December 17, 2024): 180–87. https://doi.org/10.37828/em.2024.80.16.

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Two new species, Aporhina sorongensis sp. n. and A. zimmermani sp. n. (Brentidae: Eurhynchinae), are described from the Papuan region. Aporhina sorongensis sp. n. from Indonesia (Southwest Papua) differs from A. bispinosa Boisduval, 1835 in the pronotal disс conspicuously sculptured in the middle, a shorter rostrum, and larger punctures in the elytral striae. Aporhina zimmermani sp. n. from Papua New Guinea differs from A. australis (Heller, 1896) in the larger maculae of condensed yellowish squamules on the elytra, a shorter and thicker rostrum, and a weak basal tubercle on the first and seco

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Chou, Ming-Hsun, and Wen-Bin Yeh. "Delineation of two new, highly similar species of Taiwanese Cylindera tiger beetles (Coleoptera, Carabidae, Cicindelinae) based on morphological and molecular evidence." ZooKeys 875 (September 11, 2019): 31–62. http://dx.doi.org/10.3897/zookeys.875.37856.

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Tiger beetles have been recognized primarily based on morphological characters. However, the variations of elytral maculation and coloration sometimes lead to misjudgment in species classification and the overlooking of the existence of cryptic species. Recently, specimens of two endemic species of Taiwanese Cylindera, C. sauteri and C. pseudocylindriformis, exhibit morphologically recognizable forms, indicating that some undescribed species may exist. To clarify their taxonomic status, morphological characteristics including male genitalia were examined and two mitochondrial genes, COI and 16

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46

Chou, Ming-Hsun, and Wen-Bin Yeh. "Delineation of two new, highly similar species of Taiwanese Cylindera tiger beetles (Coleoptera, Carabidae, Cicindelinae) based on morphological and molecular evidence." ZooKeys 875 (September 11, 2019): 31–62. https://doi.org/10.3897/zookeys.875.37856.

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Tiger beetles have been recognized primarily based on morphological characters. However, the variations of elytral maculation and coloration sometimes lead to misjudgment in species classification and the overlooking of the existence of cryptic species. Recently, specimens of two endemic species of Taiwanese Cylindera, C. sauteri and C. pseudocylindriformis, exhibit morphologically recognizable forms, indicating that some undescribed species may exist. To clarify their taxonomic status, morphological characteristics including male genitalia were examined and two mitochondrial genes, COI and 16

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47

Voigt, Dagmar, Alexey Tsipenyuk, and Michael Varenberg. "How tight are beetle hugs? Attachment in mating leaf beetles." Royal Society Open Science 4, no. 9 (2017): 171108. http://dx.doi.org/10.1098/rsos.171108.

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Similar to other leaf beetles, rosemary beetles Chrysolina americana exhibit a distinct sexual dimorphism in tarsal attachment setae. Setal discoid terminals occur only in males, and they have been previously associated with a long-term attachment to the female's back (elytra) during copulation and mate guarding. For the first time, we studied living males and females holding to female's elytra. Pull-off force measurements with a custom-made tribometer featuring a self-aligning sample holder confirmed stronger attachment to female elytra compared with glass in both males and females; correspon

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48

Lazarev, Maxim. "Revision of the taxonomic structure of Tetrops gilvipes (Faldermann, 1837) (Coleoptera, Cerambycidae)." Humanity space. International almanac 1, no. 4 (2012): 944–57. https://doi.org/10.24412/FhlcJH1ovY0.

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Three new subspecies are described: Tetrops gilvipes efetovi ssp. n. from Crimea on the base of differently colored specimens with black and yellow elytra; T. g. murzini ssp. n. from Kopet-Dag Ridge (Turkmenia) and Talysh (Azerbaijan) on the base of specimens with black elytra; T. g. adelbaueri ssp. n. from West Europe (type locality: Závist, Czechia) on the base of specimens with yellow elytra; Tetrops gilvipes niger Kraatz, 1859 is regarded as a subspecies distributed in Italy and France.

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PERIS, DAVID, and JOSEF JELÍNEK. "Atypical short elytra in Cretaceous short-winged flower beetles (Coleoptera: Kateretidae)." Palaeoentomology 2, no. 5 (2019): 505–14. http://dx.doi.org/10.11646/palaeoentomology.2.5.14.

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Although the family Kateretidae has fewer than 100 described extant species, its fossil record is growing. The description given here of Electrumeretes birmanicus gen. et sp. nov. and Polliniretes penalveri gen. et sp. nov. brings the number of fossil species in Kateretidae up to nine. Eight of the fossil species have been described from amber deposits and six are from the Cretaceous. All the Cretaceous fossil species and one from the Eocene share atypically short elytra and three dorsally exposed abdominal tergites, whereas in Recent relatives, even though they have shortened elytra, only the

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F. Zokirova, Dilnoza, and Fazlitdin Z. Khalimov. "MORPHOMETRIC FEATURES OF THE BEETLE ACINOPUS (ACINOPUS) LAEVIGATUS MENETRIES, 1832 (COLEOPTERA, CARABIDAE) IN THE MOUNTAIN ECOSYSTEMS OF UZBEKISTAN." Bulletin of the Iraq Natural History Museum 17, no. 2 (2022): 141–53. http://dx.doi.org/10.26842/binhm.7.2022.17.2.0141.

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The morphometric parameters of Acinopus (Acinopus) laevigatus Ménétriés, 1832 (Coleoptera, Carabidae) were studied and their altitudinal variability was assessed. The length of head is the most variable, and the smallest value of the coefficient of variation is observed for the width of elytra. The length of body parts (head, pronotum, elytra) were more variable compared to their width. The correlation relationship between the morphometric parameters of different parts of the body was analyzed. A high correlation was found between the elytra length (EL) and the total body length (BL) (r=0.93),

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