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160 results for “male genitalia morphology”
Fig. 7 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Fig. 7. Median lobe plus median struts of Bacchisa, dorsal view. A–C. R5>2.5. A. B. atritarsis. B. B. comate. C. B. dioica. D–G. R5>2.5. D. B. basalis. E. B. fortunei. F. B. guerryi. G. B. rigida. Scale bar = 0.5 mm.
Fig. 3. 8 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Fig. 3. 8th abdominal segment, ventral view. A. Anastathes parvus hainana. B. A. robustus. C. Bacchisa atritarsis. D. Plaxomicrus ellipticus. E. Tetraophthalmus episcopalism. F. T. janthinipennis cyanopterus. G. T. janthinipennis janthinipennis. Scale bar = 0.5 mm.
Fig. 5 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Fig. 5. Tegmen of Bacchisa, dorsal view. A–F. R2> 1/20. A. B. atritarsis. B. B. basalis. C. B. comate. D. B. dioica. E. B. fortunei. F. B. rigida. G. R2 <1/20, B. guerryi. Scale bar = 0.5 mm.
Fig. 2 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Fig. 2. Tegmen in dorsal view. A. Anastathes parvus hainana. B. A. robustus. C. Bacchisa fortunei. D. Plaxomicrus ellipticus. E. Tetraophthalmus episcopalism. F. T. janthinipennis cyanopterus. G. T. janthinipennis janthinipennis. Scale bar = 0.5 mm.
Figs 1 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Figs 1. Male genitalia of Astathini (Anastathes robustus Gressitt, 1940). A. Male genitalia, lateral view. B. Base of tegmen, dorsal view. C. Base of tegmen, lateral view. D. Median lobe plus median struts, dorsal view. E. 8th abdominal sternum. F. Rod at apex of internal sac. Abbreviation: ed. ejaculatory duct; is. internal sac; ll. lateral lobes; ml. median lobe; ms. median struts; ri. ringed part; ro. roof; rod. rod; sg. spiculum gastrale; st. sternum; te. tergaum. Scale bars = 0.5 mm.
Fig. 4 in Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae)
Fig. 4. Median lobe plus median struts and rod at apex of internal sac, dorsal view. A–B. Anastathes parvus hainana. C–D. A. robustus. E–F. Bacchisa dioica. G–H. Plaxomicrus ellipticus. I–J. Tetraophthalmus episcopalism. K–L. T. janthinipennis cyanopterus. M–N. T. janthinipennis janthinipennis. Scale bars = 0.5 mm.
Figure 2 in The morphology of preimaginal stages and male genitalia of Cirina forda (Westwood, 1849) (Lepidoptera: Saturniidae)
Figure 2. Cirina forda. (A-C) Male. (D) Female. (E) Male genitalia. (F) Aedeagus. (G) Habitat. (Photos: Elisaveta A. Spitsyna and Vitaly M. Spitsyn).
Figure 1 in The morphology of preimaginal stages and male genitalia of Cirina forda (Westwood, 1849) (Lepidoptera: Saturniidae)
Figure 1. Eggs and larvae of Cirina forda. (A) Eggs. (B-D) First instar larva. (E-F) Second instar larva. (G-H) Third instar larva. (I) Fourth instar larva. (J-K) Fifth instar larva. (L-M) Sixth instar larva. (Photos: Elisaveta A. Spitsyna and Vitaly M. Spitsyn).
Figure 2. Male genitalia. A – C in Notes on the genital morphology and phylogenetics of two Arabian species of the genus Lepidochrysops Hedicke, 1923 (Lepidoptera, Lycaenidae)
Figure 2. Male genitalia. A – C: L. forsskali, slide no. 23GP056, A: genitalia capsule, phallus omitted, B: phallus, lateral view, C: ventral view. D – F: L. haveni, slide no. 24GP001, D: genitalia capsule, phallus omitted, E: lateral view, F: ventro-lateral view. Scale bars = 1 mm.
Linked collectors and determiners for: Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae).
Natural history specimen data linked to collectors and determiners held within, "Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/653d580d-e1c7-499c-8604-4b5a7b1920ef">https://bionomia.net/dataset/653d580d-e1c7-499c-8604-4b5a7b1920ef</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/653d580d-e1c7-499c-8604-4b5a7b1920ef">https://gbif.org/dataset/653d580d-e1c7-499c-8604-4b5a7b1920ef</a>. Formatted as a Frictionless Data package.
Figures 6–17 in Comparative morphology study of the male genitalia of the genus Aegosoma from China (Coleoptera: Cerambycidae), with a new record species
Figures 6–17. Tegmen of Aegosoma spp. 6–7. A. ornaticolle White, 1853. 8–9. A. hainanensis Gahan, 1900. 10–11. A. george Do, 2015. 12–13. A. sinica White, 1853. 14–15. A. katsurai (Komiya, 2000). 16–17. A. guerryi (Lameere, 1915). 6, 8, 10, 12, 14, 16. Ventral view. 7, 9, 11, 13, 15, 17. Lateral view. Scale bars = 1 mm.
Figures 36–47 in Comparative morphology study of the male genitalia of the genus Aegosoma from China (Coleoptera: Cerambycidae), with a new record species
Figures 36–47. Terminalia of Aegosoma spp. 36–37. A. george Do, 2015. 38–39. A. guerryi (Lameere, 1915). 40–41. A. hainanensis Gahan, 1900. 42–43. A. katsurai (Komiya, 2000). 44–45. A. ornaticolle White, 1853. 46–47. A. sinica White, 1853. 36, 38, 40, 42, 44, 46. Ventral view. 37, 39, 41, 43, 45, 47. Dorsal view. Scale bars = 1 mm.
Figures 18–23 in Comparative morphology study of the male genitalia of the genus Aegosoma from China (Coleoptera: Cerambycidae), with a new record species
Figures 18–23. Median lobe of Aegosoma spp., ventral view. 18. A. george Do, 2015. 19. A. guerryi (Lameere, 1915). 20. A. hainanensis Gahan, 1900. 21. A. katsurai (Komiya, 2000). 22. A. ornaticolle White, 1853. 23. A. sinica White, 1853. Scale bars = 1 mm.
Figures 1–3 in Comparative morphology study of the male genitalia of the genus Aegosoma from China (Coleoptera: Cerambycidae), with a new record species
Figures 1–3. Male genitalia of Aegosoma spp. 1. Abdominal sternum VIII. 2. Tegmen. 3. Penis. Scale bars = 1 mm.
Rapid divergent evolution of internal female genitalia and the coevolution of male genital morphology revealed by micro-computed tomography
<p>Animal genitalia are thought to evolve rapidly and divergently in response to sexual selection. Studies of genital evolution have focused largely on male genitalia, with our understanding of female genital evolution relatively limited. The paucity of work on female genital morphology is likely due to problems faced in quantifying shape variation, due to their composition and accessibility. Here we use a combination of micro-computed tomography, landmark-free shape quantification, and phylogenetic analysis to quantify the rate of female genital shape evolution among 29 species of Antichiropus millipedes, and the coevolution of male genitalia. We found significant variation in female and male genital shape among species. While male genital shape showed significant phylogenetic signal, female genital shape did not. Male genital shape was found to be evolving 1.2 times faster than female genital shape. Female and male genital shapes exhibited strongly correlated evolution, indicating that genital shape changes in one sex are associated with corresponding changes in the genital shape of the other sex. This study adds novel insight into our growing understanding of how female genitalia can evolve rapidly and divergently and highlights the advantages of three-dimensional techniques and multivariate analyses in studies of female genital evolution.</p>
Figs 12–14 in Functional morphology of the male genitalia of the family Autostichidae (Lepidoptera) with description of a new genus and a new species from the Russian Far East
Figs 12–14. Autosticha modicella, functional morphology of the male genitalia. 12 –
Fig. 11 in Functional morphology of the male genitalia of the family Autostichidae (Lepidoptera) with description of a new genus and a new species from the Russian Far East
Fig. 11. Laszlogozmanya eclecticus sp. n., functional morphology of the male genitalia,
Figs 8–10 in Functional morphology of the male genitalia of the family Autostichidae (Lepidoptera) with description of a new genus and a new species from the Russian Far East
Figs 8–10. Laszlogozmanya eclecticus sp. n., functional morphology of the male geni-
Figs 4–7 in Functional morphology of the male genitalia of the family Autostichidae (Lepidoptera) with description of a new genus and a new species from the Russian Far East
Figs 4–7. Laszlogozmanya eclecticus sp. n., genitalia. 4 – male genitalia without aedeagus,
Figs 1–3 in Functional morphology of the male genitalia of the family Autostichidae (Lepidoptera) with description of a new genus and a new species from the Russian Far East
Figs 1–3. Laszlogozmanya eclecticus sp. n., male 1 – adult, holotype; 2 – wing venation;
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OpenNeuro
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