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Artykuły w czasopismach na temat „Megalomma”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

TOVAR-HERNÁNDEZ, MARÍA ANA, and LUIS F. CARRERA-PARRA. "Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus." Zootaxa 2861, no. 1 (2011): 1. http://dx.doi.org/10.11646/zootaxa.2861.1.1.

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The present study deals with the revision of type and non-type material from 14 species of Megalomma Johansson, 1925 (Polychaeta: Sabellidae) which have been described from America: M. bioculatum (Ehlers, 1887), M. carunculata Tovar-Hernández and Salazar-Vallejo, 2008, M. circumspectum (Moore, 1923), M. coloratum (Chamberlin, 1919), M. fauchaldi Giangrande, Licciano and Gambi, 2007, M. gesae Knight-Jones, 1997, M. heterops Perkins, 1984, M. lobiferum (Ehlers, 1887), M. modestum (de Quatrefages, 1866), M. pacifici (Grube, 1859), M. perkinsi Tovar-Hernández and Salazar-Vallejo, 2006, M. pigmentu

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2

Gil, João, and Eijiroh Nishi. "Nomenclatural checklist for Acromegalomma species (Annelida, Sabellidae), a nomen novum replacement for the junior homonym Megalomma Johansson, 1926." ZooKeys 677 (May 29, 2017): 131–50. https://doi.org/10.3897/zookeys.677.12030.

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Acromegalomma, nomen novum, is introduced as a replacement name for the polychaete genus Megalomma Johansson, 1926 (Annelida, Sabellidae), preoccupied by Megalomma Westwood, 1842 (Insecta, Coleoptera, Carabidae). The historical background of the homonymy and a full list with 36 new combinations in the new genus are included, while two species are considered as species inquirenda.

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GIANGRANDE, A., A. COSENTINO, C. LO PRESTI, and M. LICCIANO. "Sabellidae (Annelida) from the Faro coastal lake (Messina, Ionian Sea), with the first record of the invasive species Branchiomma bairdi along the Italian coast." Mediterranean Marine Science 13, no. 2 (2012): 283. http://dx.doi.org/10.12681/mms.310.

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In the present paper, morphological and ecological observations on 4 sabellid taxa, Branchiomma bairdi, B. luctuosum,Megalomma lanigera and Myxicola sp., collected from the coastal lake of Faro (Messina, Ionian Sea) (26-36 psu), are reported. Megalomma lanigera, Myxicola sp. and B. luctuosum were collected from the soft bottom in shallow water and B. bairdi from the hard bottom of an internal channel. The presence of the latter is remarkable, as there is no previous record of this species along the Italian coast, and it confirms the lake of Faro as a very favourable environment for the introdu

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Tovar-Hernández, María Ana, and Luis F. Carrera-Parra. "Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus 2861." Zootaxa 2861, no. 1 (2011): 1–71. https://doi.org/10.11646/zootaxa.2861.1.1.

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Tovar-Hernández, María Ana, Carrera-Parra, Luis F. (2011): Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus 2861. Zootaxa 2861 (1): 1-71, DOI: 10.11646/zootaxa.2861.1.1, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2861.1.1

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5

Marı, a. Ana Tovar-Herna, ndez, and Sergio I. Salazar-Vallejo. "Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific." Journal of Natural History 42, no. 29-30 (2008): 1951–73. https://doi.org/10.1080/00222930802140186.

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Marı, Tovar-Herna, a Ana, ndez, Salazar-Vallejo, Sergio I. (2008): Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific. Journal of Natural History 42 (29-30): 1951-1973, DOI: 10.1080/00222930802140186, URL: http://dx.doi.org/10.1080/00222930802140186

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6

Capa, María, and Anna Murray. "Review of the Genus Megalomma (Polychaeta: Sabellidae) in Australia with Description of Three New Species, New Records and Notes on Certain Features with Phylogenetic Implications." Records of the Australian Museum 61, no. 2 (2009): 201–24. https://doi.org/10.3853/j.0067-1975.61.2009.1529.

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Capa, María, Murray, Anna (2009): Review of the Genus Megalomma (Polychaeta: Sabellidae) in Australia with Description of Three New Species, New Records and Notes on Certain Features with Phylogenetic Implications. Records of the Australian Museum 61 (2): 201-224, DOI: 10.3853/j.0067-1975.61.2009.1529, URL: http://dx.doi.org/10.3853/j.0067-1975.61.2009.1529

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7

GIANGRANDE, ADRIANA, MARGHERITA LICCIANO, and MARIA CRISTINA GAMBI. "A collection of Sabellidae (Polychaeta) from Carrie Bow Cay (Belize, western Caribbean Sea) with the description of two new species." Zootaxa 1650, no. 1 (2007): 41–53. http://dx.doi.org/10.11646/zootaxa.1650.1.3.

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In the framework of a research on taxonomy and ecology of selected families of polychaetes conducted at the field station of the Smithsonian Institution (Washington DC, USA) at Carrie Bow Cay (Belize, Western Caribbean Sea) on November 2005, several qualitative benthic samples from different habitats and substrate types (Thalassia testudinum shoots, fragments of dead hard corals, sponges) have been analyzed. In some of these samples, specimens of Sabellidae were found, revealing, together with some taxa already known for the area, the presence of two new species, Megalomma fauchaldi sp. nov.,

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8

Deuve, Thierry. "Description de Megalomma pierreorum n. sp., nouvelle Cicindèle de l'île de la Réunion (Coleoptera, Cicindelidae)." Bulletin de la Société entomologique de France 104, no. 5 (1999): 409–11. http://dx.doi.org/10.3406/bsef.1999.16604.

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9

Gil, João, and Eijiroh Nishi. "Nomenclatural checklist for Acromegalomma species (Annelida, Sabellidae), a nomen novum replacement for the junior homonym Megalomma Johansson, 1926." ZooKeys 677 (May 29, 2017): 131–50. http://dx.doi.org/10.3897/zookeys.677.12030.

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10

Rizzo, Carmen, Luigi Michaud, Marco Graziano, et al. "Biosurfactant activity, heavy metal tolerance and characterization of Joostella strain A8 from the Mediterranean polychaete Megalomma claparedei (Gravier, 1906)." Ecotoxicology 24, no. 6 (2015): 1294–304. http://dx.doi.org/10.1007/s10646-015-1504-y.

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11

Mikac, Barbara, Adriana Giangrande, and Margherita Licciano. "Sabellidae and Fabriciidae (Polychaeta) of the Adriatic Sea with particular retrospect to the Northern Adriatic and the description of two new species." Journal of the Marine Biological Association of the United Kingdom 93, no. 6 (2013): 1511–24. http://dx.doi.org/10.1017/s0025315412001993.

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Sabellidae is the second most diverse polychaete family in the Adriatic Sea, after Syllidae. Herein we report the updated list of the Sabellidae and Fabriciidae families in the Adriatic Sea deriving both from literature data and presently conducted researches in the northern Adriatic. During these researches polychaetes were sampled from three offshore soft-bottom and three coastal rocky shore stations. Among the analysed material three Sabellidae species are new records for the Adriatic fauna, while four Sabellidae and one Fabriciidae species were recorded for the first time in the northern p

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12

Braunbeck, T., and R. P. Dales. "The Ultrastructure of the Heart-Body and Extravasal Tissue in the Polychaete Annelids Neoamphitrite Figulus and Arenicola Marina." Journal of the Marine Biological Association of the United Kingdom 65, no. 3 (1985): 653–62. http://dx.doi.org/10.1017/s0025315400052498.

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The heart-body in Neoamphitrite figulus (Dalyell) forms a mass of tissue within the supra-oesophageal vessel almost occluding the lumen. The tissue forms a much-infolded cylinder enclosed by a basal lamina consisting of a fibrous reticulum through which the assembled haemoglobin molecules are discharged into the plasma (Dales & Pell, 1970). A function of both the heart-body and the extravasal (‘chloragogen’) tissue in polychaetes without a heart-body was established by biochemical analysis (Kennedy & Dales, 1958; Dales, 1963, 1965) to be the synthesis of plasma haemoglobin (erythrocruo

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13

Capa, María, and Anna Murray. "Review of the genus Megalomma (Polychaeta: Sabellidae) in Australia with description of three new species, new records and notes on certain features with phylogenetic implications." Records of the Australian Museum 61, no. 2 (2009): 201–24. http://dx.doi.org/10.3853/j.0067-1975.61.2009.1529.

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14

van Achterberg, Kees, and M. Mehrnejad. "A new species of Megalommum Szépligeti (Hymenoptera, Braconidae, Braconinae); a parasitoid of the pistachio longhorn beetle (Calchaenesthes pistacivora Holzschuh; Coleoptera, Cerambycidae) in Iran." ZooKeys 112 (June 24, 2011): 21–38. http://dx.doi.org/10.3897/zookeys.112.1753.

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A new species of the genus Megalommum Szépligeti (Hymenoptera: Braconidae: Braconinae), reared from the pistachio longhorn beetle (Calchaenesthes pistacivora Holzschuh; Coleoptera: Cerambycidae), is described and illustrated. The genera Curreia Ashmead, 1900 and Endovipio Turner, 1922 are new synonyms of Megalommum Szépligeti, 1900. Notes on the biology of Megalommum pistacivoraesp. n. and a key to the West Palaearctic and Oriental species are added. The following new combinations are given: Megalommum xanthoceps (Fahringer, 1928), comb. n.,Megalommum jacobsoni (Tobias, 1968), comb. n.,Megalom

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15

VAN DZUONG, NGUYEN, KHUAT DANG LONG, PHAM QUYNH MAI, DANG THI HOA, NGUYEN THI OANH, and HOANG THI NGHIEP. "Four new species of the subfamily Braconinae (Hymenoptera: Braconidae) from Vietnam." Zootaxa 5116, no. 4 (2022): 563–78. http://dx.doi.org/10.11646/zootaxa.5116.4.5.

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This paper contains descriptions and illustrations of four new species of braconine wasps from two genera Megalommum Szépligeti, 1900 and Nedinoschiza Cameron, 1911 from Vietnam, viz. Megalommum hoabinhense Long, sp. nov., M. simulatum Long, sp. nov., M. sonlaense Long, sp. nov. and Nedinoschiza khuathalinhae Long, sp. nov. Additionally, the genus Megalommum is the first record for Vietnam.

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16

Engel, Michael S. "On the subgeneric placement of Megalopta atra (Hymenoptera: Halictidae)." Entomologist's Monthly Magazine 156, no. 1 (2020): 19–24. http://dx.doi.org/10.31184/m00138908.1561.4004.

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A new subgenus is described for Megalopta atra Engel (Halictinae: Augochlorini) from Panama and Costa Rica, as Megaloptosyne subgen. n. Metasomal sternum IV of the male shares features with the related genus Xenochlora Engel et al ., distinguishing the group from other Megalopta Smith along with various other modifications of sterna III and IV and the genitalia. A key is provided to the subgenera of Megalopta .

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17

Islam, M. L., M. S. Islam, K. Yahya, and R. Hashim. "Effects of Essential Fatty Acids Containing Natural and Commercial Diets on Larvae Rearing of the Green Mud Crab Scylla Paramamosain (Estampador 1949)." Journal of Scientific Research 9, no. 1 (2017): 109–26. http://dx.doi.org/10.3329/jsr.v1i1.28805.

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Effect of essential fatty acids (EFA) on growth and survival of the green mud crab (Scylla paramamosain) larvae was assessed by feeding with natural to commercial diets. The feeding schemes were: larvae reared with Artemia (T1); larvae initially fed with rotifers (up to Z2) and ended (Z3 to megalopa) with Artemia (T2); and larvae fed with rotifers up to Z2 and ended (Z3 to megalopa) with commercial diet (T3). The commercial diet had significantly (p<0.05) higher levels of docosahexaenoic acid (11.23%), ?n-3s (15.90%) and ?n-6s (4.21%); and lacked in eicosapentaenoic acid (2.25%) than roti

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18

Riedel, Matthias. "Four new species of the genus Megalomya UCHIDA (Hymenoptera, Ichneumonidae, Alomyinae) Irom Laos." Linzer biologische Beiträge 51, no. 1 (2019): 179–87. https://doi.org/10.5281/zenodo.3762430.

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Sedova, N. A., and S. S. Grigoriev. "Megalopa of Mesocrangon intermedia (Decapoda: Crangonidae) from the eastern part of the Sea of Okhotsk." Zoosystematica Rossica 23, no. 2 (2014): 188–96. http://dx.doi.org/10.31610/zsr/2014.23.2.188.

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For the first time megalopa of Mesocrangon intermedia is described. The megalopa can be distinguished from that of the Crangon and Neocrangon by the morphology of its telson and carapace. The main distinguishing features of megalopa of M. intermedia were two spines on medial line of the carapace, a relatively long rostrum, a relatively narrow antennal scale, and the distinctive length of the terminal setae on the telson. Drawings of general view and individual limbs are presented.

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SANTOS, LEANDRO M., and FERNANDO A. SILVEIRA. "Taxonomic notes on Megalopta Smith, 1853 (Hymenoptera: Halictidae: Augochlorini) with a synopsis of the species in the state of Minas Gerais, Brazil." Zootaxa 2194, no. 1 (2009): 1–20. http://dx.doi.org/10.11646/zootaxa.2194.1.1.

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There are twenty-seven described species in the nocturnal bee-genus Megalopta Smith, 1853 (Hymenoptera: Halictidae); of these, 10 were recorded from Brazil but none in the Brazilian state of Minas Gerais. Here, five species of Megalopta are recorded for this state, two of them described as new. Four of these species belong in the subgenus Megalopta Smith s.str.: M. (M.) aegis (Vachal, 1904), M. (M.) amoena (Spinola, 1853), M. (M.) sodalis (Vachal, 1904) and M. (M.) guimaraesi sp.n., and one: M. atlantica sp.n., belongs to the subgenus Noctoraptor Engel, Brooks & Yanega, 1997, which is reco

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Lundberg, John G., and Wasila M. Dahdul. "Two new cis-Andean species of the South American catfish genus Megalonema allied to trans-Andean Megalonema xanthum, with description of a new subgenus (Siluriformes: Pimelodidae)." Neotropical Ichthyology 6, no. 3 (2008): 439–54. https://doi.org/10.1590/S1679-62252008000300018.

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Lundberg, John G., Dahdul, Wasila M. (2008): Two new cis-Andean species of the South American catfish genus Megalonema allied to trans-Andean Megalonema xanthum, with description of a new subgenus (Siluriformes: Pimelodidae). Neotropical Ichthyology 6 (3): 439-454, DOI: 10.1590/S1679-62252008000300018, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252008000300018&lng=en&tlng=en

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LARA, Rogéria Inês Rosa, and Nelson Wanderley PERIOTO. "Updated checklist of Hemerobiidae (Neuroptera) from Brazil and new distributional records in the Neotropical Region." Acta Amazonica 46, no. 4 (2016): 425–32. http://dx.doi.org/10.1590/1809-4392201600883.

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ABSTRACT Hemerobiidae (Insecta, Neuroptera) is a cosmopolitan clade that comprises about 600 described species distributed into 26 genera. Since the publication of revisions to Hemerobius, Megalomus, Nusalala and Nomerobius, new records have been added in literature and taxonomic modifications have occurred at the genus level. The aim of this study was to update a checklist of Hemerobiidae species from Brazil and of specimens deposited at Coleção de Invertebrados do Instituto Nacional de Pesquisa da Amazônia (INPA), Manaus, Brazil; in order to summarize the geographical data of species in Braz

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23

Razowski, Józef, and Vitor Becker. "Records and descriptions of Neotropical Megalota Diakonoff (Lepidoptera: Tortricidae)." Polish Journal of Entomology / Polskie Pismo Entomologiczne 80, no. 3 (2011): 523–34. http://dx.doi.org/10.2478/v10200-011-0041-0.

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Records and descriptions of Neotropical Megalota Diakonoff (Lepidoptera: Tortricidae) Twelve species of Megalota are reported from the Neotropics; four of them (M. platanillana sp. n. from Mexico, M. belemana sp. n., M. lacertospina sp. n. and M. bahia sp. n. from Brazil) are described as new.

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Praveen, Kumar Nagadesi, and Arya Arun. "Phenotypical studies of Ganodermataceae members from Eco-regions of Gujarat, India." ADVANCE RESEARCH JOURNAL OF MULTIDISCIPLINARY DISCOVERIES 53, no. 1 (2021): 17–26. https://doi.org/10.5281/zenodo.4430457.

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Ganoderma genus has different species with cultural, economic, and pathogenic importance. In present study, fungal bodies were collected from living or partially dead trees, fallen wooden logs and leaf litter of forest in ecological regions of Gujarat, India. Detailed description of the collected samples revealed the occurrence of Ganodermataceae members like Ganoderma applanatum (Per.) Pat., G. colossum (Fr.) Bers. G. curtisii (Berk.) Murill G. lucidum (Fr.) Karsten. G. zonatum Murrill.  G. resinaceum Boud. G. carnosum Pat., G. tsugae Murrill G. sessile Murrill, G. megaloma (Lév.)

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Park, Kie-Young, Heum-Gi Park, Woo-Suck Hong, and O.-Nam Kwon. "Effects of lipid enrichment of Artemia nauplii for feeding of spiny lebbeid shrimp, Lebbeus groenlandicus (Fabricius, 1775), zoea larvae." Crustaceana 89, no. 10 (2016): 1125–34. http://dx.doi.org/10.1163/15685403-00003580.

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This study was conducted to determine the optimum feed selection for the spiny lebbeid shrimp, Lebbeus groenlandicus, from zoea to megalopa larva. To the shrimp zoeae, untreated hatching Artemia meta-nauplii, or either of two kinds of enriched Artemia, were supplied as feed daily, in a concentration of 3 individuals/ml. Throughout the experimental trials, 17.6-18.1 days elapsed until reaching the megalopa larval stage. In the starving trials, no mortality was observed; the mortality values observed in the experimental trials, between 4.8 and 9.5% were considered low and not significantly diffe

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Kornienko, Elena S., and Olga M. Korn. "The larval development of Pagurus proximus (Decapoda: Anomura: Paguridae) reared in the laboratory." Journal of the Marine Biological Association of the United Kingdom 86, no. 2 (2006): 369–81. http://dx.doi.org/10.1017/s0025315406013221.

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The larval development of the hermit crab Pagurus proximus is described and illustrated from the larvae reared in the laboratory. The development included four zoea and a single megalopa, thus following the typical pattern in the Paguridae. At 20–22°C megalopa of P. proximus was attained 17 to 23 days after hatching. Morphological characters of zoea and megalopa of P. proximus are compared with those described for the related species P. brachiomastus. The distinctive differences between larvae of these two species lend support to the separation of P. proximus from P. brachiomastus. The main la

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Pires, Marcus Alexandre Borges, José Carlos Guimarães Junior, and Mário Junior Saviato. "DESENVOLVIMENTO E MORFOLOGIA FUNCIONAL DO ESTÔMAGO DE LARVAS E MEGALOPA DE MINUCA RAPAX (SMITH, 1870) (DECAPODA,BRACHYURA)." Revista ft 29, no. 144 (2025): 15–16. https://doi.org/10.69849/revistaft/fa10202503082115.

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Development and functional morphology of the foregut of larvae and megalopa of Minuca rapax (Herbest, 1804) (Decapoda, Brachyura). The knowledge of feeding behavior of larvae and megalopa of decapod may be considered of real importance for obtaining successful larval culture. Information on morphological development of the foregut may be used as contribution in larval culture, because its reveals king of food or, weather there is lecithotrophy at some, or even, at whole larval cycle. The structural development of the foregut and digestive function were examined in the present study, for larvae

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Xue, Wenlei, Hao Wu, Xinyu Wu, Nannan Li, Ximei Nie, and Tianheng Gao. "Early Succession of Community Structures and Biotic Interactions of Gut Microbes in Eriocheir sinensis Megalopa after Desalination." Microorganisms 12, no. 3 (2024): 560. http://dx.doi.org/10.3390/microorganisms12030560.

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As an enduring Chinese freshwater aquaculture product, the Eriocheir sinensis has a high economic value and is characterized by a catadromous life style that undergoes seawater–freshwater migration. However, little is known about their gut microbial status as they move from saltwater to freshwater acclimatization. Here, we sampled and cultivated Eriocheir sinensis megalopa from three aquaculture desalination ponds and investigated their gut microbiota diversity, community structures and biotic interactions from megalopa stage to the first juvenile stage after desalination for 9 days. Our resul

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Haryati, Haryati, Yushinta Fujaya, and Early Septiningsih. "THE EFFECTS OF WEANING TIME ON THE GROWTH AND SURVIVAL OF MUD CRAB (Scylla olivacea)THE EFFECTS OF WEANING TIME ON THE GROWTH AND SURVIVAL OF MUD CRAB (Scylla olivacea)." Indonesian Aquaculture Journal 13, no. 2 (2018): 63. http://dx.doi.org/10.15578/iaj.13.2.2018.63-69.

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Live foods such as rotifers and Artemia are commonly used as foods in larval rearing of mud crab (S. olivacea). However, the continuous availability and nutritional consistency of live foods are difficult to control. Thus, the development of artificial diets to partially or fully replaced live foods is needed to overcome the limitations of live foods. The purpose of this research was to determine the best stage at which mud crab larvae can be weaned from live foods to artificial diets. The research experiment consisted of: treatment-1, the larvae were fed with live foods from zoea-1 to megalop

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GUERAO, GUILLERMO, PERE ABELLÓ, and CORAL HISPANO. "Morphology of the larval stages of the spider crab Herbstia condyliata (Fabricius, 1787) (Brachyura: Majoidea: Pisidae) obtained in laboratory conditions." Zootaxa 1726, no. 1 (2008): 1. http://dx.doi.org/10.11646/zootaxa.1726.1.1.

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The complete larval development of the majoid crab Herbstia condyliata (Fabricius, 1787) from the western Mediterranean was obtained from laboratory culture. All larval stages (two zoeal stages and the megalopa) are described and illustrated in detail for the first time. The morphology of the zoeae and megalopa is compared with the corresponding stages of other known species of the family Pisidae. The zoeal stages of H. condyliata present a pleon with unusual characters within the Pisidae such as the presence of dorsolateral processes in pleomere 3, two dorsal setae in pleomeres 2–4 (second zo

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Lundberg, John G., and Wasila M. Dahdul. "Two new cis-Andean species of the South American catfish genus Megalonema allied to trans-Andean Megalonema xanthum, with description of a new subgenus (Siluriformes: Pimelodidae)." Neotropical Ichthyology 6, no. 3 (2008): 439–54. http://dx.doi.org/10.1590/s1679-62252008000300018.

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A revised diagnosis of the pimelodid catfish genus Megalonema is given based on synapomorphic features of the Weberian complex and gas bladder. Megalonema xanthum from the Magdalena River is redescribed. Two new cis-Andean species of Megalonema are described, M. amaxanthum n. sp. from the Amazon River basin, and M. orixanthum n. sp. from the Orinoco River basin. These three species are differentially diagnosed by shape and size of the supraoccipital posterior process, adipose-fin shape, vertebral counts, eye size, premaxillary bone shape and dentition, length of the anal-fin base, width betwee

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MISTRETTA, BRITTANY A., CHRISTINA M. GIOVAS, MARCELO WEKSLER, and SAMUEL T. TURVEY. "Extinct insular oryzomyine rice rats (Rodentia: Sigmodontinae) from the Grenada Bank, southern Caribbean." Zootaxa 4951, no. 3 (2021): 434–60. http://dx.doi.org/10.11646/zootaxa.4951.3.2.

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The Lesser Antillean island chain in the eastern Caribbean formerly supported a diverse rodent fauna including multiple endemic genera of oryzomyine rice rats. The Caribbean rice rats are now all extinct, with most island populations known only from Holocene palaeontological and zooarchaeological material and with many remaining taxonomically undescribed. Rice rat material is reported from several pre-Columbian Ceramic Age (late Holocene) archaeological sites on the Grenada Bank, including sites on Grenada and Carriacou, but the taxonomic identity and diversity of the Grenada Bank rice rats ha

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Baird, Emily, Eva Kreiss, William Wcislo, Eric Warrant, and Marie Dacke. "Nocturnal insects use optic flow for flight control." Biology Letters 7, no. 4 (2011): 499–501. http://dx.doi.org/10.1098/rsbl.2010.1205.

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To avoid collisions when navigating through cluttered environments, flying insects must control their flight so that their sensory systems have time to detect obstacles and avoid them. To do this, day-active insects rely primarily on the pattern of apparent motion generated on the retina during flight (optic flow). However, many flying insects are active at night, when obtaining reliable visual information for flight control presents much more of a challenge. To assess whether nocturnal flying insects also rely on optic flow cues to control flight in dim light, we recorded flights of the noctu

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Alvarez, Leopoldo Jesús, Pablo José Ramello, Adan Alberto Avalos, et al. "Contributions to the wild bee fauna in Argentina (Hymenoptera: Anthophila)." Papéis Avulsos de Zoologia 64 (February 5, 2024): e202464006. http://dx.doi.org/10.11606/1807-0205/2024.64.006.

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Argentina is the country with the second highest number of bee species in the Neotropics after Brazil. Fifteen new records of wild bees belonging to genera of the families Apidae, Andrenidae, Colletidae, Halictidae, and Megachilidae are presented. Species of genera Callonychium Brèthes (Andrenidae), Gaesischia Michener, LaBerge & Moure, Melitoma Lepeletier & Serville, Trichocerapis Cockerell (Apidae), Hylaeus Fabricius (Colletidae), Habralictus Moure, Megalopta Smith, Neocorynura Schrottky, Pseudaugochlora Michener, Rhectomia Moure, Thectochlora Moure (Halictidae), and Bothranthidium M

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Trần, Thị Thanh Hiền, та Tâm Nguyên Lâm. "Thay thế Aremia bằng thức ăn chế biến ương ấu trùng cua biển Scylla paramamosain". Can Tho University Journal of Science 58, № 3 (2022): 251–58. http://dx.doi.org/10.22144/ctu.jvn.2022.078.

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Nghiên cứu nhắm đánh giá khả năng thay thế Artemia bằng thức ăn chế biến (TACB) để ương ấu trùng cua biển Scylla paramamosain từ Zoe 3 lên cua 1. Nghiên cứu được thực hiện với 2 thí nghiệm: ương từ giai đoạn Zoe 3 lên megalop và từ megalop lên cua 1. Mỗi thí nghiệm gồm 6 nghiệm thức, được bố trí ngẫu nhiên với 5 lần lặp lại. Thí nghiệm được bố trí với chế độ cho ăn 5 lần/ngày cho tất cả các nghiệm thức, nghiệm thức đối chứng cho ăn hoàn toàn Artemia, nghiệm thức TACB cho ăn hoàn toàn thức ăn chế biến. Bốn nghiệm thức còn lại được thay thế từ 1- 4 lần Artemia bằng thức ăn chế biến, Kết quả tỷ l

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Gunarto, Gunarto, Herlinah Herlinah, and Bunga Rante Tampangalo. "Effect of different salinity levels on megalopa Scylla tranquebarica (Fabricius, 1798) rearing to the crablet production." BIO Web of Conferences 74 (2023): 01011. http://dx.doi.org/10.1051/bioconf/20237401011.

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The salinity level for the culture of megalopae affects crablet production. The research aimed to determine the optimum salinity level for the megalopa of S. tranquebarica rearing. Nine aquariums randomly selected and filled with sterile seawater, have different salinity levels (A. 29-30 ppt, B. 27-28 ppt, and C. 25-26 ppt) used for megalopae rearing. Each aquarium is stocked with 30 individuals of megalopa. Each treatment with three replications. Crumble pellets and Artemia nauplii are given as feed for megalopae. Monitoring in each treatment consists of total hemocytes, the osmolality of meg

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Melo, Marlon Aguiar, Fernando Abrunhosa, and Iracilda Sampaio. "The morphology of the foregut of larvae and postlarva of Sesarma curacaoense De Man, 1892: a species with facultative lecithotrophy during larval development." Acta Amazonica 36, no. 3 (2006): 375–80. http://dx.doi.org/10.1590/s0044-59672006000300014.

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Previous study on the resistance of larvae of Sesarma curacaoense submitted to starvation has revealed a facultative lecithotrophy during zoeal stages, but megalopa and first juvenile stages are exclusively feeding stages. In the present study, the gross morphology and fine structure of the foregut of S. curacaoense were investigated during larval, megalopa and first juvenile stages. The foregut of the zoea I show specific setae and a filter press apparently functional. The foregut undergoes changes in the zoea II (last larval stage) with increment of setae number, mainly on the cardiopyloric

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Tierney, Simon M., Oris Sanjur, Grethel G. Grajales, Leandro M. Santos, Eldredge Bermingham, and William T. Wcislo. "Photic niche invasions: phylogenetic history of the dim-light foraging augochlorine bees (Halictidae)." Proceedings of the Royal Society B: Biological Sciences 279, no. 1729 (2011): 794–803. http://dx.doi.org/10.1098/rspb.2011.1355.

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Most bees rely on flowering plants and hence are diurnal foragers. From this ancestral state, dim-light foraging in bees requires significant adaptations to a new photic environment. We used DNA sequences to evaluate the phylogenetic history of the most diverse clade of Apoidea that is adapted to dim-light environments (Augochlorini: Megalopta , Megaloptidia and Megommation ). The most speciose lineage, Megalopta , is distal to the remaining dim-light genera, and its closest diurnal relative ( Xenochlora ) is recovered as a lineage that has secondarily reverted to diurnal foraging. Tests for a

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Lara, R. I. R., and N. W. Perioto. "PRIMEIRO REGISTRO DE OCORRÊNCIA DOS GÊNEROS MEGALOMUS, NOMEROBIUS E SYMPHEROBIUS (NEUROPTERA, HEMEROBIIDAE) PARA O ESTADO DO PARANÁ, BRASIL." Arquivos do Instituto Biológico 70, no. 4 (2003): 513–15. http://dx.doi.org/10.1590/1808-1657v70p5132003.

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Jones, Beryl M., Brett M. Seymoure, Troy J. Comi, and Ellis R. Loew. "Species and sex differences in eye morphometry and visual responsivity of two crepuscular sweat bee species (Megalopta spp., Hymenoptera: Halictidae)." Biological Journal of the Linnean Society 130, no. 3 (2020): 533–44. http://dx.doi.org/10.1093/biolinnean/blaa064.

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Abstract Visually dependent dim-light foraging has evolved repeatedly, broadening the ecological niches of some species. Many dim-light foraging lineages evolved from diurnal ancestors, requiring immense visual sensitivity increases to compensate for light levels a billion times dimmer than daylight. Some taxa, such as bees, are anatomically constrained by apposition compound eyes, which function well in daylight but not in starlight. Even with this constraint, the bee genus Megalopta has incredibly sensitive eyes, foraging in light levels up to nine orders of magnitude dimmer than diurnal rel

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Ahmadi-Kashani, K., C. Brun, and P. Papanikolas. "Design and construction of Megalorema Viaduct, Greece." Proceedings of the Institution of Civil Engineers - Bridge Engineering 160, no. 3 (2007): 117–27. http://dx.doi.org/10.1680/bren.2007.160.3.117.

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Krichilsky, Erin, Álvaro Vega-Hidalgo, Kate Hunter, et al. "The first gynandromorph of the Neotropical bee Megalopta amoena (Spinola, 1853) (Halictidae) with notes on its circadian rhythm." Journal of Hymenoptera Research 75 (February 27, 2020): 97–108. http://dx.doi.org/10.3897/jhr.75.47828.

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Gynandromorphy is an anomaly that results in an organism phenotypically expressing both male and female characteristics. Here we describe the first gynandromorph of the bee species Megalopta amoena (Spinola, 1853) (Halictidae, Augochlorini) and the second record of this anomaly within the genus Megalopta. Additionally, we analyzed the bee’s circadian rhythm, which has never before been quantified for a gynandromorph. The gynandromorph showed a deviant activity pattern; it was intermediate between that of the male and female M. amoena. Our results imply that the brains of bilateral gynandromorp

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Krichilsky, Erin, Álvaro Vega-Hidalgo, Kate Hunter, et al. "The first gynandromorph of the Neotropical bee Megalopta amoena (Spinola, 1853) (Halictidae) with notes on its circadian rhythm." Journal of Hymenoptera Research 75 (February 27, 2020): 97–108. https://doi.org/10.3897/jhr.75.47828.

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Gynandromorphy is an anomaly that results in an organism phenotypically expressing both male and female characteristics. Here we describe the first gynandromorph of the bee species Megalopta amoena (Spinola, 1853) (Halictidae, Augochlorini) and the second record of this anomaly within the genus Megalopta. Additionally, we analyzed the bee's circadian rhythm, which has never before been quantified for a gynandromorph. The gynandromorph showed a deviant activity pattern; it was intermediate between that of the male and female M. amoena. Our results imply that the brains of bilateral gynandromorp

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Klimaszewski, Jan, D. K. McE Kevan, and Stewart B. Peck. "A review of the Neuroptera of the Galápagos Islands with a new record for Sympherobius barberi (Banks) (Hemerobiidae)." Canadian Journal of Zoology 65, no. 12 (1987): 3032–40. http://dx.doi.org/10.1139/z87-459.

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A checklist of species of Neuroptera described and (or) recorded from the Galápagos Islands, Ecuador, is presented together with a review of existing records. Sympherobius barberi (Banks) is recorded from the Galápagos Islands for the first time. This also constitutes the first record of the genus Sympherobius from the islands. Comparisons have been made between the Galápagos specimens, the type specimen of the species, and specimens from Peru, Mexico, and the southern United States of America. Illustrations of habitus and genitalic structures, as well as a diagnosis and a discussion of the sp

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Santos, L.M., and G.A.R. Melo. "Updating the taxonomy of the bee genus Megalopta (Hymenoptera: Apidae, Augochlorini) including revision of the Brazilian species." Journal of Natural History 49, no. 11 (2014): 575–674. https://doi.org/10.1080/00222933.2014.946106.

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Santos, L.M., Melo, G.A.R. (2014): Updating the taxonomy of the bee genus Megalopta (Hymenoptera: Apidae, Augochlorini) including revision of the Brazilian species. Journal of Natural History 49 (11): 575-674, DOI: 10.1080/00222933.2014.946106

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Marques, Fernando, and Gerhard Pohle. "Laboratory-reared larval stages of Dissodactylus mellitae (Decapoda: Braohyura: Pinnotheridae) and developmental patterns within the Dissodactylus species complex." Canadian Journal of Zoology 74, no. 1 (1996): 47–62. http://dx.doi.org/10.1139/z96-007.

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Eggs of Dissodactylus mellitae were incubated for 9–10 days at 28 °C and larval development consisted of three or four zoeal stages and a megalopa. Beginning with the first zoea, the mean duration of successive stages was 5, 3, 4, and 5 days, the first megalopa appearing 10 days after hatching. Among the megalopae obtained, 87% molted from a third zoea, whereas 13% passed through a fourth zoeal stage before metamorphosing to a megalopa. The last zoea is not considered a substage, since it showed no morphological variation, and molting resulted in growth and consistent morphological changes. Co

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KORNIENKO, ELENA S., and OLGA M. KORN. "Morphology of the complete larval development of the symbiotic crab Sestrostoma balssi (Shen, 1932) (Varunidae: Gaeticinae)." Zootaxa 2990, no. 1 (2011): 45. http://dx.doi.org/10.11646/zootaxa.2990.1.3.

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Larval development of the symbiotic crab Sestrostoma balssi (Shen, 1932) (Varunidae: Gaeticinae) inhabiting Russian waters of the Sea of Japan is described and illustrated for the first time from material reared in the laboratory. The development includes five zoeal and a single megalopal stages. The first megalopa was attained at 20–22°C 35 days after hatching. The present paper is the first description of the complete larval development in the genus Sestrostoma. The larvae of S. balssi share all principal characters of the family Varunidae but are distinguished from the typical varunid larva

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Hiyodo, Célia Mary, Maria Lúcia Negreiros Fransozo, and Adilson Fransozo. "Larval Development of the Spider Crab Acanthonyx Petiverii H. Milne Edwards, 1834 (Decapoda, Majidae) in the Laboratory." Crustaceana 66, no. 1 (1994): 53–66. http://dx.doi.org/10.1163/156854094x00152.

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AbstractThe larval development of Acanthonyx petiaerii H. M. Edwards, 1834, was studied in the laboratory through eggs hatched from ovigerous females collected in Ubatuba, state of São Paulo, Brazil. The rearings were carried out in a climatic room with constant temperature (25° ±1° C) and salinity (34,5‰). The larvae were maintained individually and the food consisted of Artemia nauplii. The larval development of A. petiverii consists of two zoeal stages and a megalopa. All the larval stages were drawn and described in detail. Tables include those presenting morphological characters that allo

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Marco-Herrero, Elena, J. Ignacio González-Gordillo, and José A. Cuesta. "Larval morphology of the family Parthenopidae, with the description of the megalopa stage of Derilambrus angulifrons (Latreille, 1825) (Decapoda: Brachyura), identified by DNA barcode." Journal of the Marine Biological Association of the United Kingdom 95, no. 3 (2014): 513–21. http://dx.doi.org/10.1017/s0025315414001908.

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Although Parthenopidae is a brachyuran decapod family comprising almost 140 species, there is little knowledge about its larval morphology. There are only two complete larval developments reared in the laboratory and some larval stages described for seven species. In the present work these data are compared and analysed. A summary is made of the larval features that characterize parthenopids that can be used to distinguish them from other brachyuran larvae. In addition, the megalopa stage of Derilambrus angulifrons and Parthenopoides massena was collected from plankton and identified by DNA ba

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Harwood, Janitce A., and William T. Wcislo. "Plant species used as wood substrata for nesting by Megalopta genalis Meade-Waldo, 1916 and M. amoena Spinola, 1853 (Hymenoptera, Halictidae)." Journal of Hymenoptera Research 98 (February 18, 2025): 293–309. https://doi.org/10.3897/jhr.98.108041.

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Halictine bees are a group that are useful for understanding the evolutionary origins of social behavior and the evolution of nest architecture. Most species nest in the soil, but there have been several evolutionary transitions to nesting in wood. Megalopta is a nocturnal genus and represents one of the larger radiations of wood-nesting bees in the Halictinae. These bees have been observed nesting in branches and stems from trees and lianas, but it is not known to which species they belong. There is only a record of a nest in a dead trunk of Apeiba tibourbou Aubl. (Malvaceae, Tilioideae). Thi

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