BMC Genomics, 2022 Background All birds reproduce via internal fertilization, but only ~3% of male birds possess the external genitalia that allows for intromission. Waterfowl (e.g., duck and goose) are representatives of them, and the external genitalia development of ...
Bincheng Tang +8 more
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A revised terminology for male genitalia in Hymenoptera (Insecta), with a special emphasis on Ichneumonoidea. [PDF]
PeerJ, 2023 Applying consistent terminology for morphological traits across different taxa is a highly pertinent task in the study of morphology and evolution. Different terminologies for the same traits can generate bias in phylogeny and prevent correct homology ...
Dal Pos D +4 more
europepmc +2 more sources
Insulin-insensitivity of male genitalia maintains reproductive success in Drosophila. [PDF]
Biol Lett, 2019 For most arthropod species, male genital size is relatively implastic in response to variation in developmental nutrition, such that the genitals in large well-fed males are similar in size to those in small poorly-fed males.
Dreyer AP, Shingleton AW.
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A morphometric approach to the comparative morphology of aedeagi shapes in net-winged beetles: A case study on the Macrolycus dotatus species group (Coleoptera: Lycidae) [PDF]
Arthropod Systematics & Phylogeny, 2023 Insect male genitalia show an evolutionarily variable morphology that is valuable for both species identification and phylogenetic analyses. However, we often encounter some difficulties when conducting relevant studies due to only quantitative ...
Hao Yu Liu +4 more
doaj +3 more sources
Proper direction of male genitalia is prerequisite for copulation in Drosophila, implying cooperative evolution between genitalia rotation and mating behavior. [PDF]
Sci Rep, 2019 Animal morphology and behavior often appear to evolve cooperatively. However, it is difficult to assess how strictly these two traits depend on each other.
Inatomi M, Shin D, Lai YT, Matsuno K.
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Comparative morphology of male genital skeletomusculature in the Leptanillinae (Hymenoptera: Formicidae), with a standardized muscular terminology for the male genitalia of Hymenoptera [PDF]
Arthropod Systematics & Phylogeny, 2023 The male genitalia of the Insecta are famed for structural and functional diversity. Variation in this anatomical region shows ample phylogenetic signal, and this variation has proven indispensable for classification across the insects at multiple ...
Zachary H. Griebenow +4 more
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X-ray microtomography (microCT) of male genitalia of Nothybus kuznetsovorum (Nothybidae) and Cothornobata sp. (Micropezidae). [PDF]
Zookeys, 2018 The results of manual dissection of the musculature of the male genitalia in Nothybus kuznetsovorum are fully confirmed by the modern methods of Micro-CT. A comparative analysis of Neria commutata and Cothornobata sp.
Galinskaya TV +2 more
europepmc +2 more sources
Harmostes Burmeister, 1835 (Hemiptera, Heteroptera, Rhopalidae): new records, with an emphasis in the southernmost region of Brazil [PDF]
Check List, 2021 Harmostes Burmeister, 1835 (Rhopalidae, Rhopalinae) comprises 32 species distributed from Canada to southern South America. From the analysis of material deposited in collections, we identified and diagnosed the species of Harmostes from the state of Rio
Thaíz Ramos, Aline Barcellos
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Case for diagnosis. Atypical genital lesion [PDF]
Anais Brasileiros de Dermatologia, 2018 : We present a case of a penile lesion with a clinical appearance similar to Mondor penile disease (thrombosis of the dorsal vein of the penis) or penile sclerosing lymphangitis.
José Carlos Gomes Sardinha +3 more
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The macroevolution of size and complexity in insect male genitalia. [PDF]
PeerJ, 2016 The evolution of insect male genitalia has received much attention, but there is still a lack of data on the macroevolutionary origin of its extraordinary variation.
Rudoy A, Ribera I.
europepmc +2 more sources