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287 results for “genital morphology”
Fig. 63 in The Phanaeus tridens species group (Coleoptera: Scarabaeoidea): a dung beetle group with genital morphological stasis but a changing ecological niche
Fig. 63. Phallobase, parameres and endophallite copulatrix of the P.tridens species group. Scale bar = 1.0 mm.
Fig. 13. Phanaeus coeruleus Bates, 1887 in The Phanaeus tridens species group (Coleoptera: Scarabaeoidea): a dung beetle group with genital morphological stasis but a changing ecological niche
Fig. 13. Phanaeus coeruleus Bates, 1887, stat. rev., holotype and labels (by Keita Matsumoto, BMNH).
FIGURE 2 in The genital and anal papillae of Compsura heterura (Characidae: Cheirodontinae): morphological structure and possible role in insemination
FIGURE 2 | Histological section of the adult male pre anal organ, in sagittal view, showing its acidophilic granules (26.97 mm SL; aquarium specimen). AN=anus; PO= pre anal organ; arrow = acidophilic granules.
FIGURE 1 in The genital and anal papillae of Compsura heterura (Characidae: Cheirodontinae): morphological structure and possible role in insemination
FIGURE 1 | SEM photomicrograph of the genital and anal papillae of Compsura heterura males in ventral view (anterior to left). A. Juvenile specimen measuring 15.2 mm SL. B. Juvenile specimen measuring 19.02 mm SL. C. Amplified view of the pre anal organ showed in B. D. Adult male (27.18 mm SL) showing the hood-like shape of the genital papilla. E. Adult male (28.21 mm SL) showing the hypertrophied preanal organ. F. Adult male (26.67 mm SL) showing genital papilla immediately after copulation showing the pre anal organ covering the anus. AN = anus; EP = epithelia lateral to the anus; GP = genital papilla; PO = pre anal organ; UO = urogenital opening.
Fig. 6. Female genital morphology. See Table 1 for localities and Table 3 for measurements. A in Cochlostoma revised: the subgenus Lovcenia Zallot et al., 2015 (Caenogastropoda, Cochlostomatidae)
Fig. 6. Female genital morphology. See Table 1 for localities and Table 3 for measurements. A. Cochlostoma (Lovcenia) erika (A.J. Wagner, 1906) (HNHM 86387). B. Cochlostoma (Lovcenia) dalmatinum (L. Pfeiffer, 1863) (NHMW 110430/MN/0162). C. Cochlostoma (Lovcenia) tropojanum sp. nov. (NHMW 111248). D1. Cochlostoma (Lovcenia) jakschae sp. nov., Bugarska Peak population (NHMW 111249). D2. Cochlostoma (Lovcenia) jakschae sp. nov., Pejë Pass population (HNHM 97221). E. Cochlostoma (Lovcenia) lanatum sp. nov. (HNHM 99861).
Figure 1. Adults. A – D in Notes on the genital morphology and phylogenetics of two Arabian species of the genus Lepidochrysops Hedicke, 1923 (Lepidoptera, Lycaenidae)
Figure 1. Adults. A – D: L. forsskali, A, C: male, upperside and underside, Saudi Arabia, Prov. Jizan, Mt. Faifa, Marwah, 960 m, 10-XI-2023, leg. et coll. M. Seizmair B, D: female, upperside and underside, Saudi Arabia, Prov. Jizan, Mt. Faifa, Faifa Village, 1560 m, 13-XI-2023, leg et coll. M. Seizmair, E – H: L. haveni, E, G: male, upperside and underside, Saudi Arabia, Prov. Jizan, Mt. Faifa, Aayban Bengazi, 660 m, 08-XI-2023, leg. et coll. M. Seizmair, F, H: female, upperside and underside, same collection data as B, D. Scale bars = 10 mm.
Figure 3 in Notes on the genital morphology and phylogenetics of two Arabian species of the genus Lepidochrysops Hedicke, 1923 (Lepidoptera, Lycaenidae)
Figure 3. Male genitalia, close-ups. A – C: L. forsskali, slide no. 22GP056, A. Basal valva, sacculus, B: postbasal valva, apex, C: juxta. D – F: L. haveni, slide no. 24GP001, D: basal valva, sacculus, E: postbasal valva, apex, F: juxta. Scale bars = 1 mm.
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.
Figure 5 in Notes on the genital morphology and phylogenetics of two Arabian species of the genus Lepidochrysops Hedicke, 1923 (Lepidoptera, Lycaenidae)
Figure 5. Neighbor-Joining tree indicating phylogenetic relationship among avaliable Lepidochrysops sp. taxa based on mitochondrial DNA barcoding gene (COI). The branch supports for Neighbor-Joining (left) and Maximum Parsimony (right) were assessed by 5,000 bootstrap replicates.
Linked collectors and determiners for: Pachycoris torridus (Scopoli) and P. klugii Burmeister: a comparative study of the genital morphology of two polychromatic Pachycorinae (Heteroptera, Scutelleridae).
Natural history specimen data linked to collectors and determiners held within, "Pachycoris torridus (Scopoli) and P. klugii Burmeister: a comparative study of the genital morphology of two polychromatic Pachycorinae (Heteroptera, Scutelleridae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6db0888d-983c-4766-aafd-f565fece0887">https://bionomia.net/dataset/6db0888d-983c-4766-aafd-f565fece0887</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6db0888d-983c-4766-aafd-f565fece0887">https://gbif.org/dataset/6db0888d-983c-4766-aafd-f565fece0887</a>. Formatted as a Frictionless Data package.
Fig. 4 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 4. Aenigmatoconcha clivicola, new species, radula of paratype (NHMSU-0014). A, whole radula; B, close up view of left side of radula; C, close up view of central part of radula; D, close up view of left latero-marginal teeth; E, close up view of central and first lateral teeth.
Fig. 5 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 5. Aenigmatoconcha clivicola, new species, genital system of paratype (NHMSU-0014) and schematic drawing. Abbreviations: ag, albumen gland; at, atrium; ep, epiphallus; erc, epiphallic retractor caecum; fo, free oviduct; gs, gametolytic sac; hd, hermaphroditic duct; p, penis; pr, penial retractor; pro, prostate gland; ut, uterus; v, vagina; vd, vas deferens. Photograph and illustration: Kitti Tanmuangpak.
Fig. 2 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 2.Aenigmatoconcha clivicola, new species, in natural habitat. A, living snail; B, foraging behavior. Photographs: Kitti Tanmuangpak.
Fig. 1 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 1. Map of Thailand and surrounding area showing the type locality of Aenigmatoconcha clivicola, new genus and new species, from Phu Pha Lom, Mueang District, Loei Province (star); type localities of six other nominal species of Sophina in Moulmein (square); localities of Chalepotaxis infantilis (circle); and localities of Chalepotaxis spadix (triangle) (numbers correspond to species in Table 2).
Fig. 14. Dysderoides spp. Genital morphology. A. D in Taxonomic Review Of The Goblin Spiders Of The Genus Dysderoides Fage And Their Himalayan Relatives Of The Genera Trilacuna Tong And Li And Himalayana, New Genus (Araneae: Oonopidae)
Fig. 14. Dysderoides spp. Genital morphology. A. D. muang, new species (PBI_OON 12917). B. D. kanoi, new species (PBI_OON 43176). C. D. typhlos Fage (holotype). D. D. synrang, new species (PBI_OON 30673). A, B. Male palp, retrolateral view. C, D. Vulva, cleared, ventral view. AS = anterior sclerite; GT = glandular tube; PR = posterior receptacle; TP = transverse plates.
Figures 19 in Xeropicta (Gastropoda, Hygromiidae) goes west: the first record of X. krynickii (Krynicki, 1833) for Montenegro, with a description of its shell and genital morphology, and an additional record of X. derbentina (Krynicki, 1836) for Italy
Figures 19. Genitalia of Xeropicta krynickii from Podgorica, Montenegro. 12 whole genitalia, gonad excluded; 3 inner structureof distal genitalia; 4 dart sac complex; 5 section of penial papilla; 6 section of vagina; 7 penial papilla; 8 digitiform glands; 9 inner structure of epiphallus.
Figures 1424 in Xeropicta (Gastropoda, Hygromiidae) goes west: the first record of X. krynickii (Krynicki, 1833) for Montenegro, with a description of its shell and genital morphology, and an additional record of X. derbentina (Krynicki, 1836) for Italy
Figures 1424. Genitalia of Xeropicta krynickii from Livadia (Sterea Ellada, Greece). 14 whole genitalia, gonad excluded; 15 inner structure of distal genitalia; 16 section of penial papilla; 17 section of epiphallus; 18 section of distal stylophore; 19 section of vagina; 20 digitiform glands; 21 mantle edge; 22 first hermaphrodite duct; 23 penial papilla; 24 dart sac complex.
Figures 1013. 1012 in Xeropicta (Gastropoda, Hygromiidae) goes west: the first record of X. krynickii (Krynicki, 1833) for Montenegro, with a description of its shell and genital morphology, and an additional record of X. derbentina (Krynicki, 1836) for Italy
Figures 1013. 1012 genitalia and jaw of Xeropicta krynickii from Podgorica, Montenegro. 10 mantle edge; 11 first hermaphrodite duct; 12 jaw; 13 whole genitalia, gonad excluded, ofXeropicta derbentina from Trieste (Italy).
Figures 2528. 2526 in Xeropicta (Gastropoda, Hygromiidae) goes west: the first record of X. krynickii (Krynicki, 1833) for Montenegro, with a description of its shell and genital morphology, and an additional record of X. derbentina (Krynicki, 1836) for Italy
Figures 2528. 2526 shells of Xeropicta krynickiifrom Podgorica, Montenegro; 27 shell of X. krynickii from Livadia (Beozia, Greece); 28 shell ofX. derbentina from Trieste (Italy).
Interspecific introgression reveals a role of male genital morphology during the evolution of reproductive isolation in Drosophila
Rapid divergence in genital structures among nascent species has been posited to be an early-evolving cause of reproductive isolation, although evidence supporting this idea as a widespread phenomenon remains mixed. Using a collection of interspecific introgression lines between two Drosophila species that diverged ~240,000 years ago, we tested the hypothesis that even modest divergence in genital morphology can result in substantial fitness losses. We studied the reproductive consequences of variation in the male epandrial posterior lobes between Drosophila mauritiana and D. sechellia and found that divergence in posterior lobe morphology has significant fitness costs on several pre-fertilization and post-copulatory reproductive measures. Males with divergent posterior lobe morphology also significantly reduced the life span of their mates. Interestingly, one of the consequences of genital divergence was decreased oviposition and fertilization, which suggests that a sensory bias for posterior lobe morphology could exist in females, and thus posterior lobe morphology may be the target of cryptic female choice in these species. Our results provide evidence that divergence in genitalia can in fact give rise to substantial reproductive isolation early during species divergence, and they also reveal novel reproductive functions of the external male genitalia in Drosophila.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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