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opennotspecifiedApr 2009View details →

FIGURE 3 in A new species of Seira Lubbock (Collembola: Entomobryidae) from Brazil with sexually dimorphic legs

FIGURE 3. Seira bicolorcornuta sp. nov. A. habitus; B. apical bulb of the 4th antennal segment; C. left eye patch; D. setae of the labial triangle; E. anterior femur of males; F. anterior tibiotarsus of the males; G. trochanteral organ; H. second foot complex; I. third foot complex; J – distal dens with mucro.

FIGURE 7 in Description of a female and variation of Microgomphus alani Kosterin, 2016 (Odonata: Gomphidae) in Cambodia, with a note on sexual dimorphism in Microgomphus spp.

FIGURE 7. Hind legs of Microgomphus alani, a—male from Mondulkiri Province, 13 vi 2014; b—female from Modulkiri Province, 3 viii 2016; c—female from Phnom Kulen Mts, 30 vi 2018. Scale bar 1 mm.

FIGURE 2 in Description of a female and variation of Microgomphus alani Kosterin, 2016 (Odonata: Gomphidae) in Cambodia, with a note on sexual dimorphism in Microgomphus spp.

FIGURE 2. Dry male (a, d–e) and female (b–c, f) specimens of Microgomphus alani from the Phnom Kulen Mountains, Siem Reap Province (a–c) and Mondulkiri Province (d–f) of Cambodia, collected on 3 viii 2016 (f), 11 vi 2018 (c), 17 vi 2018 (a), 30 vi 2018 (b) and 26 vi 2018 (d–e).

FIGURE 1 in Description of a female and variation of Microgomphus alani Kosterin, 2016 (Odonata: Gomphidae) in Cambodia, with a note on sexual dimorphism in Microgomphus spp.

FIGURE 1. Male (a, d–e) and female (b–c) specimens of Microgomphus alani in live colours from the Phnom Kulen Mountains, Siem Reap Province (a–c) and Mondulkiri Province (d–e) of Cambodia, 11 vi 2018 (c), 17 vi 2018 (a), 30 vi 2018 (b) and 26 vi 2018 (d–e). Not to scale

FIGURE 6 in Description of a female and variation of Microgomphus alani Kosterin, 2016 (Odonata: Gomphidae) in Cambodia, with a note on sexual dimorphism in Microgomphus spp.

FIGURE 6. Details of female specimens of Microgomphus alani collected in Mondulkiri Province on 3 viii 2016 (c,e; the same specimen as in Fig. 2f) and in the Phnom Kulen Mts on 11 vi 2018 (a,f; the same specimen as in Fig. 1c and Fig 2c) and on 30 vi 2018 (b,d,g; the same specimen as in Figs 1b, 2b): a–b—head and thorax, lateral view; c–d—pterothorax, dorsal view; e–g—vulvar lamina, ventral view. Scale bars, from top to bottom, 4 mm, 2 mm and 0.5 mm.

FIGURE 5 in Description of a female and variation of Microgomphus alani Kosterin, 2016 (Odonata: Gomphidae) in Cambodia, with a note on sexual dimorphism in Microgomphus spp.

FIGURE 5. Frontal view of head (left) and occiput (right) of female specimens of Microgomphus alani collected on 3 viii 2016 in Mondulkiri Province (a; the same specimen as in Fig. 2f) and in the Phnom Kulen Mts on 11 vi 2018 (b, the same specimen as in Figs 1c, 2c) and 30 vi 2018 (c, the same specimen as in Figs 1b, 2b). Scale bar 1 mm.

Fig. 10 in From Eastern Arc Mountains to extreme sexual dimorphism: systematics of the enigmatic assassin bug genus Xenocaucus (Hemiptera: Reduviidae: Tribelocephalinae)

Fig. 10 Distribution of East and West African species of Xenocaucus (top) with a close-up of collecting localities of the species occurring in Tanzania (bottom). The stippled lines indicate disjunct collecting localities for X. kimbozensis, n. sp., and X. nguru, n. sp.

Fig. 9 in From Eastern Arc Mountains to extreme sexual dimorphism: systematics of the enigmatic assassin bug genus Xenocaucus (Hemiptera: Reduviidae: Tribelocephalinae)

Fig. 9 Scanning electron micrographs of females of X. chomensis (UCR_ENT 00020646; a, b, d, h, i) and X. nguru (UCR_ENT 00020634; c, e, f, g, j, k). a Head, dorsal view; b head closeup, dorsal view; c head and thorax, lateral view; d head, lateral view; e head and

Fig. 5 in From Eastern Arc Mountains to extreme sexual dimorphism: systematics of the enigmatic assassin bug genus Xenocaucus (Hemiptera: Reduviidae: Tribelocephalinae)

Fig. 5 Lateral habitus of females of the seven East African species of Xenocaucus and the male of X. ethiopiensis. fl flagellomeres, lb1–3 first, second, and third visible labia segments, om ommatidium, pd pedicel; scale bars, 1 mm

Fig. 3 in From Eastern Arc Mountains to extreme sexual dimorphism: systematics of the enigmatic assassin bug genus Xenocaucus (Hemiptera: Reduviidae: Tribelocephalinae)

Fig. 3 Dorsal habitus of X. chomensis, n. sp., (female, unsexed immature, and male immature), X. ethiopiensis, n. sp., (male holotype and female), X. kimbozensis, n. sp., (female, unsexed immature, and male immature), the female holotype of X. mancinii, and X. nguru, n. sp., (female, unsexed immature, and male immature). dld setae dorsally

opennotspecifiedMar 2022View details →

Figs 21–24 in New species of Oriental Tersilochinae (Hymenoptera: Ichneumonidae), with remarks on sexual dimorphism in the genus Allophrys Förster, 1869

Figs 21–24. Probles bengalensis sp.n., ♀, holotype: 21 — habitus, lateral view; 22 — head, front view; 23 — head, dorsal view; 24 — head, mesosoma and base of metasoma, lateral view. Рис. 21–24. Probles bengalensis sp.n., ♀, голотип: 21 — габитус, сбоку; 22 — голова, спереди; 23 — голова, сверху; 24 — голова, меЗосома и основание метасомы, сбоку.

opennotspecifiedMar 2022View details →

Figs 12–17 in New species of Oriental Tersilochinae (Hymenoptera: Ichneumonidae), with remarks on sexual dimorphism in the genus Allophrys Förster, 1869

Figs 12–17. Diaparsis lompobattanga sp.n., ♀, holotype (12–13, 17) and paratype (14–16): 12 — habitus, lateral view; 13 — head, front view; 14 — head, dorsal view; 15 — mesosoma, lateral view; 16 — propodeum, dorsal view; 17 — apex of ovipositor, lateral view. Рис. 12–17. Diaparsis lompobattanga sp.n., ♀, голотип (12–13, 17) и паратип (14–16): 12 — габитус, сбоку; 13 — голова, спереди; 14 — голова, сверху; 15 — меЗосома, сбоку; 16 — проподеум, сверху; 17 — верШина Яйцеклада, сбоку.

Fig. 8 in Tachypleus syriacus (Woodward)-a sexually dimorphic Cretaceous crown limulid reveals underestimated horseshoe crab divergence times

Fig. 8 Single most parsimonious tree (Tree length 22, Consistency Index 0.909, Retention Index 0.958, Rescaled Consistency Index 0.871) from the dataset in Table S1, also available in the public database Morphobank (Project 1228), analyzed through implicit enumeration with all characters unordered and of equal weight in TNT (Goloboff et al. 2008). Paleolimulus signatus was utilized as the outgroup. Branch support is shown for each node; regular numbers above the node are jackknife values retrieved from 1000 replicates with 33 % deletion, numbers in bold beneath the node are Bremer support values

Fig. 3 in Tachypleus syriacus (Woodward)-a sexually dimorphic Cretaceous crown limulid reveals underestimated horseshoe crab divergence times

Fig. 3 Idealized reconstruction of male and female T. syriacus in amplexus. Drawing by Antony Lamsdell

Fig. 2 T in Tachypleus syriacus (Woodward)-a sexually dimorphic Cretaceous crown limulid reveals underestimated horseshoe crab divergence times

Fig. 2 T. syriacus (Woodward). a MSNM i9352, male. Cretaceous, Lebanon. b MSNM i25083, female. Cretaceous, Lebanon. c MSNM i27468, female. Cretaceous, Lebanon. d MSNM i9351, immature

Fig. 6 T in Tachypleus syriacus (Woodward)-a sexually dimorphic Cretaceous crown limulid reveals underestimated horseshoe crab divergence times

Fig. 6 T. syriacus (Woodward)—BMNH NHM IA 187, soft tissue fluorescence under UV light. a Whole specimen. b Mouth with associated soft-tissue preservation around the prosomal appendage insertions shown in Fig. 5b. c Posterior-most pair of book gills shown in Fig. 5d. d Muscle tissue shown in Fig. 5c. Scale bars: a 50 mm; b, c 10 mm; d 5 mm

opennotspecifiedSep 2013View details →

Fig. 3 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. 3 Head drawings of Liopholidophis oligolepis sp. nov. (holotype, ZSM 153/2005) in (a) dorsal and (b) lateral view

opennotspecifiedSep 2013View details →

Fig. 1 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. 1 Phylogenetic tree of all Liopholidophis species based on sequences of three mitochondrial and one nuclear gene (16S rRNA, cytb, COI and c-mos). For L. baderi no 16S sequence was available. Bayesian posterior probabilities (10 million generations) are given above branches, parsimony bootstrap values (2,000 replicates) below branches. The relation of tail length/snout-vent length (red: female, blue: male) is given for all species of Liopholidophis, and for Liophidium torquatum, on the right of the species names. Reconstructed values for nodes are given at the branches, as results of parsimony/maximum likelihood (95% confidence interval). The lower figure shows the same tree with sexual dimorphism in relative tail length plotted on taxa (expressed as ratio of relative tail length of males/ females). Ancestral values calculated on ML-reconstructed values for males and females. Symbols show origin (>) and reversal (<) of extreme dimorphism (values 0.43-0.53, i.e. females having relative tail lengths roughly half that of males or lower)

opennotspecifiedSep 2022View details →

Fig. 2 in A New Genus and Species of Histerid Beetle from Western Mexico Showing a Remarkable Sexual Mesotibial Dimorphism (Coleoptera: Histeridae: Histerinae: Exosternini)

Fig. 2. Vaquerister cantador, new species, scanning electron micrographs of male. A) Ventral view of mouthparts, B) Protarsus, C) Lateral view of prosternum, D) Anterior view of head, with white arrows pointing to stridulatory files, E) Mesotibia, F) Metafemur and metatibia.