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1,369 results for “sexual dimorphism”
Fig. 2 in New insights into the systematics and molecular phylogeny of the Malagasy snake genus Liopholidophis suggest at least one rapid reversal of extreme sexual dimorphism in tail length
Fig. 2 Head drawings of Liopholidophis baderi sp. nov. (holotype, ZFMK 62235) in (a) dorsal and (b) lateral view
FIGURES 4–6 in Discovery of the female of Protohermes niger Yang & Yang (Megaloptera: Corydalidae): Sexual dimorphism in coloration of a dobsonfly revealed by molecular evidence
FIGURES 4–6. Protohermes niger Yang & Yang, female. 4. Head and prothorax, dorsal view; 5. Genitalia, lateral view; 6. Eighth gonocoxite, ventral view. Scale bar =1.0 mm.
FIGURES 1–4. Kiwigaster variabilis. Figure 1 in Kiwigaster gen. nov. (Hymenoptera: Braconidae) from New Zealand: the first Microgastrinae with sexual dimorphism in number of antennal segments
FIGURES 1–4. Kiwigaster variabilis. Figure 1: Head, frontal. Arrow shows anterior tentorial pit. Figure 2: Head and pronotum, lateral. Arrow shows lower pronotal furrow. Figure 3: Mesoscutum, dorsal. Arrow shows beginning of the notauli. Figure 4: Mesosoma, dorso-lateral. Arrow shows lateral face of scutellum.
FIG. 9 in First-instar morphology and sexual dimorphism in the gall-inducing scale insect Apiomorpha RuÈbsaamen (Hemiptera: Coccoidea: Eriococcidae)
FIG. 9. First-instar male nymph of Apiomorpha spinifer (dorsum on left; venter on right) showing; anal ring with setae (ar), apical seta (as), eye (e), frontal tubercle (f), marginal seta (ms), minute pore (mp), multilocular wax pore (mwp), simple pore (sp), and tarsal sensillum (ts). The wings of the marginal setae are illustrated only on the left side.
Figure 11. General appearance. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 11. General appearance. A, Lycus sp. 60. B, ditto, elytron in the lateral view. C, Lycus sp. 61. D, Lycus sp. 62. E, Lycus sp. 62. F, G, Lycus sp. 66. H–J, Lycus sp. 71. K, L, Lycus sp. 72. M–P, Lycus sp. 73. Q, Lycus sp., lateral view (absent in the analysis). R–T, male genitalia. R, Lycus sp. 73. S, Lycus sp. 68. T, Lycus sp. 69. Scale bars: 3 mm (A–Q); 1 mm (R–T).
Figure 8. General appearance. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 8. General appearance. A, Lycostomus sp. 3. B, C, Lycostomus sp. 4. D–F, Lycostomus sp. 12. G, H, Lycostomus sp. 16. I, Lycostomus sp. 18. J, Lycostomus sp. 19. K, L, Lycostomus sp. 8. M, Lycostomus modestus (sp. 13). N, Lycostomus sp. 19. O, pronotum and head, Lycostomus sp. 4. P–R, male genitalia. P, Lycostomus sp. 10. Q, Lycostomus sp. 9. R, Lycostomus sp. 8. Scale bars: 3 mm (A–O); 1 mm (P–R).
Figure 5. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 5. A, the revised distribution of genera and their alpha diversity. B, the putative dispersal routes recovered by the analysis of the pruned dataset. The grey lines designate dispersal barriers that were never crossed by the Lycini.
FIGURE 7 in A new species of Lepidocephalichthys (Teleostei: Cobitidae) with distinctive sexual dimorphism and comments on relationships in southern lineages of Cobitidae
FIGURE 7. Relationship between color pattern (especially stripe intensity) and development of lamina circularis in three species of cobitids: (A–C) Cobitis sinensis, UMMZ 240028, (A) 66.0 mm-SL female, (B) 71.4 mm-SL male, (C) 55.0 mm-SL male; (D–F) Lepidocephalichthys guntea, KU 29353, (D) 46.7 mm-SL female, (E) 45.9 mm-SL male, (F) 53.4 mm-SL male; (G–I) L. zeppelini, UF 174130, (G) 21.9 mm-SL female, (H) 16.2 mm-SL male, (I) 21.9 mm-SL male.
FIGURE 2 in A new species of Lepidocephalichthys (Teleostei: Cobitidae) with distinctive sexual dimorphism and comments on relationships in southern lineages of Cobitidae
FIGURE 2. Phylogeny of species of Lepidocephalichthys based on Bayesian analysis of cyt b (A) and RAG1 (B). Clades of species are alternatively shaded. Since the parsimony analysis gave a very similar topology, support values for both analyses are presented at each node (numbers on left are posterior probabilities and numbers on right are bootstrap values). Asterisks indicate Bayesian support values of 0.95 or greater and parsimony support values of 0.90 or greater; single asterisks meet both criteria. Dashes indicate relationships were not supported in the parsimony analysis. Lepidocephalichthys zeppelini, n. sp. and L. kranos, recently described by Havird & Page (2010), are bolded and their support values are circled.
Figure 3 in Bundoksia gen. nov. (Dictyoptera: Blattodea: Blattidae), a new sexually dimorphic cockroach from the Philippines
Figure 3. Bundoksia sibuyania Lucañas sp. nov.: (a) Male habitus; (b) Female habitus; (c) Head; (d) Posterior margin of metanotum and 1st abdominal segment; (e) Prothoracic leg; (f) Hind tarsomere; (g) Male supraanal plate; (h) Male genitalia and subgenital plate.
Figure 3 in Natural history of Hylodes perere Silva & Benmaman, 2008 (Anura, Hylodidae) in the Serra Negra da Mantiqueira, Atlantic Forest of Brazil: microhabitat, sexual dimorphism, diet and distribution
Figure 3. Graph indicating the contribution of each morphometric variable used in the Principal Component Analysis (PCA). Morphometric variables: snout-vent length (SVL); head length (HL); head width (HW); eye diameter (ED); upper eyelid width (UEW); interorbital distance (IOD); internarial distance (IND); tympanum diameter (TD); tibia length (TL); thigh length (THL); eye–nostril distance (END); nostril to tip of snout distance (NSD); foot length (FL); third finger disk diameter (FD3); fourth toe disk diameter (TD4); thorax length (TXL); arm width (AW); forearm width (FW); thigh width (TW); and gastrocnemius width (GW).
FIGURE 8 in A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus
FIGURE 8. Dorsal view of female type specimens and labels of Castolus subinermis (Stål, 1862). A. lectotype; B. paralectotype.
FIGURE 7 in A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus
FIGURE 7. Type specimens of synonyms of Castolus subinermis (Stål, 1862). A–B. holotype of C. annulatus Maldonado & Brailovsky, 1992, A. dorsal view and labels, B. ventral view; C–D. holotype of Mucrolicter alienus, C. dorsal view and labels, D. lateral view and detail of the pygophore in caudal view.
FIGURE 4 in A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus
FIGURE 4. Castolus rafaeli sp. nov., A–E. eggs and nymphs reared from a single female (El Retiro, Antioquia), F. from an iNaturalist observation. A. Egg mass; B. First instar nymphs; C. third instar; D. fourth instar; E. fifth instar female nymph; F. fifth instar male nymph.
FIGURE 1 in A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus
FIGURE 1. Castolus rafaeli sp. nov., male holotype (CEUA 109653). A. Dorsal view; B. lateral view; C. detail of head in lateral view; D. detail of head and thorax in dorsal view; E. lateral view of pygophore; F. posterior view of pygophore; G–I. inflated aedeagus, G. dorsal view; H. ventral view; I. lateral view. Abbreviations: ddl, distal dorsal lobe; dps, dorsal phallothecal sclerite; dvl, distal ventral lobe; mbs, medial basal sclerotization of endosoma; mdl, medial dorsal lobe of endosoma; mpp, median process of pygophore; pgo, process of the genital opening; ps, paramere socket; sa, setose areas of posterior margin of pygophore.
FIGURES 15–20. Hemicolpus maragatensis external sexual dimorphism 15 in A new seed-feeding species of Hemicolpus Heller, 1895 from south Brazil and redescription of Hemicolpus abdominalis Hustache, 1938 (Coleoptera: Curculionidae: Conoderinae)
FIGURES 15–20. Hemicolpus maragatensis external sexual dimorphism 15) Lateral view of the male rostrum. 16) Lateral view of the female rostrum. Scale bars = 0.5 mm. 17) Male rostrum dorsal view. 18) Female rostrum dorsal view. Scale bars = 0.5 mm. 19) Male ventral view showing the depression within the first ventrite with the yellowish patch of scales (red arrow) and the pair of tubercles on the second abdominal ventrite (blue arrow). 20) Female ventral view. Scale bars = 1 mm.
Figure 5 in Diversity and evolution of sexually dimorphic mental and lateral glands in Cophomantini treefrogs (Anura: Hylidae: Hylinae)
Figure 5. Taxonomic distribution and optimization of six selected characters in the phylogenetic hypothesis of Cophomantini modified from Faivovich et al. (2013) for Myersiohyla, Hyloscirtus, Bokermannohyla, and Aplastodiscus. For Hypsiboas, see Fig. 6. Note that we have excluded the outgroups because SDSGs remain poorly known outside Cophomantini. Numbers refer to characters described in more detail in the text. For the data matrix, see Appendix (Table A1). The multistate character is considered ordered. Transformations that may be synapomorphies of Cophomantini or a more inclusive clade are shown with grey bars. The coloured lines indicate alternative optimizations. Asterisks (*) indicate transformations that occur in that node or in a more inclusive clade. Further studies on taxonomic distribution will help to clarify its position. Further discussion is provided in the text. LG, lateral gland; MG, mental gland; ss, stratum spongiosum; SSGs, specialized serous glands.
Fig. 2 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus
Fig. 2. Line art illustration of Setaphyes dentatus. A: Male, ventral view; B: Male, dorsal view; C: Female, segments 1–3, ventral view; D: female, segments 9–11, ventral view. Scale bar: 100 μm. Abbreviations: ap, apodeme; co, cuticular ornamentation, reticular, net-like structure; cr, cuticular ridge; cs, cuticular scar; cw, cuticular wrinkles; dpl, dorsal placid; ica, intracuticlular atria; ldse, laterodorsal setae; ldss, laterodorsal sensory spot; lts, lateral terminal spine; lvse, lateroventral setae; mde, middorsal elevation; mdp, middorsal process; ms, muscular scar; ne, nephridiopore; pcr, patch of cuticular ridges; pdse, paradorsal setae; pdss, paradorsal sensory spot; ps, penile spine; sdss, subdorsal sensory spot; spf, secondary pectinate fringe; vlse, ventrolateral setae; vlss, ventrolateral sensory spot; vmse, ventromedial setae; vmtu, ventromedial tube; vmss, ventromedial sensory spot; vpl, ventral placid.
Fig. 5 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus
Fig. 5. SEM photographs of the head of Setaphyes dentatus (ZMB 12751). A: Introvert sector 1 (midventral); B: introvert sector 10 (ventrolateral); C: detail of introvert ring 01 showing the primary spinoscalid morphology; D: detail of neck (dorsal view) and anterior half of segment 1 tergal plate with focus on its cuticular ornamentation. Abbreviations: bs, basal sheath; co, cuticular ornamentation; dpl, dorsal placid; ep, end-piece of spinoscalid; psp, primary spinoscalid; S1, segment 1; sp, spinoscalid (followed by number of corresponding ring); ts, trichoscalid. Lambda symbols (Λ) mark attachment points of scalids.
Fig. 8 in The genus Setaphyes (Kinorhyncha, Pycnophyidae) in European waters: Redescription of Setaphyes dentatus (Reinhard, 1881) and Setaphyes kielensis (Zelinka, 1928), including notes on morphometrics, sexually dimorphic features and reproduction of the genus
Fig. 8. SEM photographs of female (ZMB 12746: G), male (ZMB 12747: A, C, F) and adults of indeterminate sex (ZMB 12748: B, D; ZMB 12750: E; ZMB 12745: H) of Setaphyes dentatus from the Atlantic and the Mediterranean coasts of the Iberian Peninsula and from the Black Sea coast of Türkiye, Huelva (G), Algeciras (A–F), Türkiye (H) populations. A: ventral view of segments 1–2; B: left side of the tergal plate, segments 5–6; C: right side of segments 5–7; D: left side of the tergal plate, segment 5, laterodorsal setae and sensory spot; E: laterodorsal side of the tergal plate, segment 7; F: right lateroventral seta of segment 6; G: ventral view of segment 10; H: left side of the tergal plate, segment 10. Abbreviations: ldse, laterodorsal setae; lts, lateral terminal spine; lvse, lateroventral setae; mde, middorsal elevation; mdp, middorsal process; pcr, patch of cuticular ridges; pdse, paradorsal setae; vmtu, ventromedial tube. Numbers after abbreviations indicate the corresponding segment. Dashed circles mark sensory spots.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.