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1,021 results for “Female genitalia”
Figs 61–69. Female genitalia. 61–65 in Depressariidae (Lepidoptera) of the Russian Altai Mountains: new species, new records and updated checklist
Figs 61–69. Female genitalia. 61–65 – general view: 61–63 – Agonopterix kyzyltashensis sp. nov., paratypes, Russia, S Ural, details in the text: 61–62 – Russia, S Ural; 63 – Russia, Altai; 64 – A. pallorella (Zeller, 1839), Turkey, Tuz Gölü, 20.vii.1970, Friedel leg. (SMNK); 65 – A. kaekeritziana (Linnaeus, 1767), Italy, Toscana, Badia della Valle, 15.vi.1982, A. Usvelli leg. (MFSN). 66–69 – details of antrum: 66–67 – A. kyzyltashensis sp. nov., paratypes, details in the text: 66 – Russia, S Ural; 67 – Russia, Altai; 68–69 – A. pallorella: 68 – Turkey, Tuz Gölü, 20.vii.1970, Friedel leg. (SMNK); 69 – Turkey, Sivas, Gök Pınar, 1.viii.1997, K. Larsen leg. (RCKL). Scale bar for figs 61–65 = 1 mm.
Data from: Quantitative genetic insights into the coevolutionary dynamics of male and female genitalia
The spectacular variability that typically characterizes male genital traits has largely been attributed to the role of sexual selection. Among the evolutionary mechanisms proposed to account for this diversity, two processes in particular have generated considerable interest. On the one hand, females may exploit postcopulatory mechanisms of selection to favour males with preferred genital traits (cryptic female choice; CFC), while on the other hand females may evolve structures or behaviours that mitigate the direct costs imposed by male genitalia (sexual conflict; SC). A critical but rarely explored assumption underlying both processes is that male and female reproductive traits coevolve, either via the classic Fisherian model of preference-trait coevolution (CFC) or through sexually antagonistic selection (SC). Here, we provide evidence for this prediction in the guppy (Poecilia reticulata), a polyandrous livebearing fish in which males transfer sperm internally to females via consensual and forced matings. Our results from a paternal half-sibling breeding design reveal substantial levels of additive genetic variation underlying male genital size and morphology—two traits known to predict mating success during non-consensual matings. Our subsequent finding that physically interacting female genital traits exhibit corresponding levels of genetic (co)variation reveals the potential intersexual coevolutionary dynamics of male and female genitalia, thereby fulfilling a fundamental assumption underlying CFC and SC theory.
Data from: Artificial selection on male genitalia length alters female brain size
Male harassment is a classic example of how sexual conflict over mating leads to sex-specific behavioural adaptations. Females often suffer significant costs from males attempting forced copulations, and the sexes can be in an arms race over male coercion. Yet, despite recent recognition that divergent sex-specific interests in reproduction can affect brain evolution, sexual conflict has not been addressed in this context. Here, we investigate whether artificial selection on a correlate of male success at coercion, genital length, affects brain anatomy in males and females. We analysed the brains of eastern mosquitofish (Gambusia holbrooki), which had been artificially selected for long or short gonopodium, thereby mimicking selection arising from differing levels of male harassment. By analogy to how prey species often have relatively larger brains than their predators, we found that female, but not male, brain size was greater following selection for a longer gonopodium. Brain subregion volumes remained unchanged. These results suggest that there is a positive genetic correlation between male gonopodium length and female brain size, which is possibly linked to increased female cognitive ability to avoid male coercion. We propose that sexual conflict is an important factor in the evolution of brain anatomy and cognitive ability.
FIGURES 1011. Onchopelma female genitalia. 10. O in Review of the genus Onchopelma Hesse, with descriptions of new species (Diptera: Mythicomyiidae)
FIGURES 1011. Onchopelma female genitalia. 10. O. brevifasciatum, sp.n. 11. O. majus, sp.n.
FIGURE 2. Perenotus stysi n. comb. female genitalia. Scale bar 0.2 in New genus and species of ant-like true bug (Hemiptera: Miridae) from the Canary Islands
FIGURE 2. Perenotus stysi n. comb. female genitalia. Scale bar 0.2 mm.
FIGURES 24–25. Female genitalia Polyteles guerini Fahraeus. 24 in A cladistic analysis of the genera of the tribe Entimini (Coleoptera, Curculionidae), with description of a new genus and species from the Amazonian Region
FIGURES 24–25. Female genitalia Polyteles guerini Fahraeus. 24, Lateral view; 25, Dorsal view.
FIGURES 22–23. Female genitalia Phaedropus togatus Boheman. 22 in A cladistic analysis of the genera of the tribe Entimini (Coleoptera, Curculionidae), with description of a new genus and species from the Amazonian Region
FIGURES 22–23. Female genitalia Phaedropus togatus Boheman. 22, Lateral view; 23, Dorsal view.
FIGURE 28. Coinquenda nigroclavata Distant, female genitalia. 28a in Systematic notes on tribes in the family Caliscelidae (Hemiptera: Fulgoroidea) with the description of new taxa from Palaearctic and Oriental Regions
FIGURE 28. Coinquenda nigroclavata Distant, female genitalia. 28a, posterior connective lamina
FIGURE 47–48. Female genitalia. 47, Sinoe robiniella. 48 in Revision of Holarctic Teleiodini (Lepidoptera: Gelechiidae)
FIGURE 47–48. Female genitalia. 47, Sinoe robiniella. 48, Argyrolacia bifida.
FIGURES 9–10. Euchariomyia dives female genitalia. 9 in First record of the genus Euchariomyia Bigot, 1888 from China (Diptera: Bombyliidae)
FIGURES 9–10. Euchariomyia dives female genitalia. 9. ventral view; 10. spermathecal bulb.
FIGURE 7. Female genitalia. A in Eastern Palaearctic Scythrididae (Lepidoptera: Gelechioidea): description of a new genus and some new species
FIGURE 7. Female genitalia. A—Bactrianoscythris annae sp. nov. B—Bactrianoscythris afghana sp. nov.
FIGURES 1–4. Ypsolopha nervosella. 1. Adult, 2–3. Labels. 4 in Redescription of Ypsolopha nervosella (Zerny, 1940) (Lepidoptera, Ypsolophidae) with first description of the female genitalia
FIGURES 1–4. Ypsolopha nervosella. 1. Adult, 2–3. Labels. 4. Labial palpus.
FIGURE 29 in Cosmosycanus perelegans (Hemiptera: Reduviidae: Harpactorinae), a new record from China, with report of its female genitalia
FIGURE 29. Geographical distribution map of Cosmosycanus perelegans (Breddin).
FIGURE 6. Naganda radialis. A-B. Female. C in A new species of Niganda Moore, 1879 from Thailand, with descriptions of variation in male genitalia and female facies of N. radialis Moore (Lepidoptera: Notodontidae, Ceirinae)
FIGURE 6. Naganda radialis. A-B. Female. C. Male.
FIGURE 3 in A new species of Niganda Moore, 1879 from Thailand, with descriptions of variation in male genitalia and female facies of N. radialis Moore (Lepidoptera: Notodontidae, Ceirinae)
FIGURE 3. Biotope of N. phichai and N. radialis.
FIGURE 7 in A new species of Niganda Moore, 1879 from Thailand, with descriptions of variation in male genitalia and female facies of N. radialis Moore (Lepidoptera: Notodontidae, Ceirinae)
FIGURE 7. Random sample of N. radialis uncus tips.
FIGURES 1–2. Rhigognostis erysiphaea. 1 in Rhigognostis erysiphaea (Meyrick, 1938) comb. nov. (Lepidoptera, Plutellidae), with description of male and female genitalia
FIGURES 1–2. Rhigognostis erysiphaea. 1. holotype; 2. labels.
Fig. 3. Phyllophaga nebulosa female genitalia a in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits
Fig. 3. Phyllophaga nebulosa female genitalia a) left lateral; b) ventral view, scale bar 5
Supplementary material 1 from: Zhu J, Zhang J, Luo X, Wang Z, Che Y (2022) Three cryptic Anaplecta (Blattodea, Blattoidea, Anaplectidae) species revealed by female genitalia, plus seven new species from China. ZooKeys 1080: 53-97. https://doi.org/10.3897/zookeys.1080.74286
Table S1. Pairwise genetic divergence of distances
Figure 5 from: Zhu J, Zhang J, Luo X, Wang Z, Che Y (2022) Three cryptic Anaplecta (Blattodea, Blattoidea, Anaplectidae) species revealed by female genitalia, plus seven new species from China. ZooKeys 1080: 53-97. https://doi.org/10.3897/zookeys.1080.74286
Figure 5 Anaplecta serrata Zhu & Che, sp. nov. holotype, male. SWU-B-B-A060015 A habitus, dorsal view B habitus, ventral view C pronotum, dorsal view D head, ventral view E tegmina F wings G supra-anal plate, ventral view H subgenital plate, dorsal view I left phallomere, dorsal view J right phallomere, dorsal view. Scale bars: 2 mm (A–F); 0.5 mm (G–J). Abbreviations: afd anal fold, A[1] the anterior one of the anal vein, A[s] the other element of vannal vein, cfd cubitus fold, CuA cubitus anterior, CuP cubitus posterior, L1, L2, L3 sclerites of the left phallomere, L2dL2 dorsal, L2vL2 ventral, L2vm median sclerite, M media, Pcu postcubitus, R radius, RA radius anterior, RP radius posterior, R2, R3 sclerites of the right phallomere, ScP subcostal posterior.
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