Academic literature on the topic 'Alona dentifera'

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Journal articles on the topic "Alona dentifera"

1

Sousa, Francisco Diogo Rocha, Lourdes Maria Abdu Elmoor-Loureiro, and Sandro Santos. "Position of the dentifera-group in the Coronatella-branch and its relocation to a new genus: Magnospina gen. n. (Crustacea, Chydoridae, Aloninae)." ZooKeys 586 (May 4, 2016): 95–119. https://doi.org/10.3897/zookeys.586.8209.

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Magnospina gen. n. was created to relocate species of the dentifera-group from Alona sensu lato (Crustacea: Cladocera) and include Magnospina dentifera comb. n. and Magnospina siamensis comb. n. The synapomorphies of the Magnospina gen. n. are (1) basal spines longer than 2/3 of the postabdominal claw, (2) presence of 1–4 large denticles, broad at their bases, protruding downwards, without setules between them. Morphological traits such as habitus, rostrum and postabdomen shape, armature of IDL setae, number of setae on the exopod of limb III are also important in the distinction between Magno
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2

VAN DAMME, KAY, and HENRI J. DUMONT. "Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)." Zootaxa 1960, no. 1 (2008): 1–44. http://dx.doi.org/10.11646/zootaxa.1960.1.1.

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We investigate morphology and taxonomic rank of several Alona species related to A. rectangula Sars, 1861. Despite high morphological intraspecific variability, a number of synapomorphies shows that taxa related to A. rectangula are sufficiently different in external and internal morphology from “true” Alona Baird, 1843. These are removed from Alona into separate genera. The rare West-African A. holdeni Green 1962 is redescribed and we describe a new species from North Africa, Arabia and islands in the Western Indian Ocean. We reinstate the name Coronatella Dybowski & Grochowski to receive
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GONÇALVES, CLAYTON CORRÊA, JEAN FRANCISCO SOUZA DA SILVA, ALEXANDRE CRUZ DOMAHOVSKI, LUÍSA ALASMAR, and ANDRESSA PALADINI. "A new species of Coelidiana Oman (Hemiptera: Cicadellidae: Neocoelidiinae) from Brazil with key to Brazilian species, description of immature stages, and notes about parasitoids and host plant." Zootaxa 5529, no. 2 (2024): 359–72. http://dx.doi.org/10.11646/zootaxa.5529.2.7.

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Neocoelidiinae is a subfamily of Cicadellidae endemic to the American continent with 199 valid species allocated in 36 genera and two tribes. Coelidiana comprises 23 species distributed in Central and South America. Here we describe a new species for the genus: Coelidiana aroeira sp. nov. from Paraná state, collected on Schinus terebinthifolia trees. The female genitalia for the genus are described and illustrated for the first time, and an identification key for the species occurring in Brazil is proposed. The immature stages are described and parasitism by Dryinidae (Hymenoptera) and Pipuncu
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4

TAKEDA, MASATSUNE, and HIRONORI KOMATSU. "Actumnus ngankeeae sp. nov. and Pilumnus swajayai Ng & Rahayu, 2021, pilumnid crabs from Japan (Crustacea: Decapoda: Brachyura)." Zootaxa 5476, no. 1 (2024): 424–33. http://dx.doi.org/10.11646/zootaxa.5476.1.31.

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New and rare crab species of the family Pilumnidae, Actumnus ngankeeae sp. nov. and Pilumnus swajayai Ng & Rahayu, 2021, are reported from Japan. Actumnus ngankeeae from the Ogasawara (Bonin) Islands is characterized by the following features: the carapace is transversely ovate and strongly convex longitudinally and transversely; the dorsal surface is uniformly covered with small granules and sparse short setae, with the regions defined by narrow furrows; the anterolateral margin is narrowly crested along its whole length and separated into four convex lobes by three V-shaped notches. Both
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Pollock, Darren A., and Jim McClarin. "Description of the late- or last-instar larva of Ischyomius Chevrolat, with comments on the family placement of the genus (Coleoptera: Tenebrionoidea: Pythidae)." Papéis Avulsos de Zoologia, February 28, 2020. http://dx.doi.org/10.11606/1807-0205/2020.60.special-issue.11.

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Study of recently collected larvae of two species of Ischyomius Chevrolat, 1871 from Napo and Pichincha, Ecuador, tentatively identified as I. denticollis Champion, 1916 and I. singularis Chevrolat, 1871 confirm the classification of the genus Ischyomius within the family Pythidae. Salient larval characters which solidify this placement are: 5 stemmata arranged into an anterior column of 3 and posterior column of 2, parabasal ridges along anterior margins of abdominal tergites, prominent urogomphi with inner urogomphal teeth and various dorsal tubercles, and transverse row of dentiform asperit
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Rüzgar, Melih, and Aysun Gümüş. "Comparison of Kızılırmak and Yeşilırmak (Southern Black Sea) estuarine ecosystems based on macrobenthic biodiversity and environmental variables and new records for the macroinvertebrate fauna of Turkey." Aquatic Sciences 87, no. 3 (2025). https://doi.org/10.1007/s00027-025-01200-3.

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Abstract This study investigates the Kızılırmak and Yeşilirmak estuarine ecosystems in Turkey, which provide significant freshwater and nutrient inputs to the Samsun Shelf area along the midsouthern Black Sea. The objective was to determine the current ecological status and to detect any significant differences between two estuarine ecosystems (restored—Kızılırmak—and natural—Yeşilırmak) in terms of macrobenthic invertebrates and environmental variables. Macrobenthic invertebrates were collected with a 500 µm mesh size kick-net. A total of four samplings, one in each season, were collected dur
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7

Suh, Daniel C., Katie Schroeder, Emily F. Landolt, Jenavier Tejada, and Alexander T. Strauss. "A legacy of competitive exclusion: Host demography and amplified disease." Integrative And Comparative Biology, May 12, 2025. https://doi.org/10.1093/icb/icaf035.

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Abstract Dilution effects arise when increases in species diversity reduce disease risk, and amplification effects arise when the opposite occurs. Despite ample evidence for both phenomena, the mechanisms driving dilution and amplification effects and how they are mediated by environmental factors remain poorly understood. Mechanisms involving demographic rates or stage structure of hosts are particularly lacking in the diversity-disease literature. In Midwestern lakes, Metschnikowia bicuspidata parasites infect Daphnia dentifera focal hosts in autumn, with epidemics beginning when water is wa
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8

Dziuba, Marcin K., Kristina M. McIntire, Elizabeth S. Davenport, et al. "Microsporidian coinfection reduces fitness of a fungal pathogen due to rapid host mortality." mBio, August 28, 2024. http://dx.doi.org/10.1128/mbio.00583-24.

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ABSTRACT Infection outcomes can be strongly context dependent, shifting a host-symbiont relationship along a parasitism-mutualism continuum. Numerous studies show that under stressful conditions, symbionts that are typically mutualistic can become parasitic. The reverse possibility, a parasite becoming mutualistic, has received much less study. We investigated whether the parasitic microsporidium Ordospora pajunii can become beneficial for its host Daphnia dentifera in the presence of the more virulent fungal pathogen Metschnikowia bicuspidata . We found that, even though infection with O. paj
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