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925 results for “male morphology”
High variation in last male sperm precedence and genital morphology in the emerald damselfly Lestes sponsa
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Song and morphology data for selection by females on male Gryllus firmus
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Measurement of male and female morphologies in Mercurialis annua
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Nutrition affects larval survival and the development of morphological traits in male and female flour beetles, but genital size and shape remain canalized
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FIGURES 6A–C in Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)
FIGURES 6A–C. (A) Male genitalia of H. ducalis Knisch, with parameres spread, showing shape of aedeagus; (B) Male genitalia of H. variabilis Knisch and (C) H. n. sp. from Peru, showing the articulation point of the paramere dorsal basal lobe with the aedeagus dorsal basal lobe.
FIGURE 5 in Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)
FIGURE 5. Examples of morphological, species specific, variation in the form of the aedeagus basal dorsal lobe (adbl) of Venezuelan Hydrochus species.
FIGURES 4A–B in Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)
FIGURES 4A–B. Male genitalia characters of (A) H. pseudosecretus Oliva (ventral); (B) H. sagittarius n. sp. (ventral; diagrammatical, showing locations of muscles).
Fig. 5. Correlation between the fibers diameters and body weight from 300 in Morphological and morphometric analysis of skeletal muscle between male and female young adult Colossoma macropomum (Characiformes: Serrasalmidae)
Fig. 5. Correlation between the fibers diameters and body weight from 300 days old Colossoma macropomum. The fibers diameters are showed by class: circle (<20 µm), triangle (20 to 50 µm) and square (>50 µm).
Fig. 1 in Morphological and morphometric analysis of skeletal muscle between male and female young adult Colossoma macropomum (Characiformes: Serrasalmidae)
Fig. 1. Muscle tissue organization in Colossoma macropomum. A. Multinucleated fibers with peripheral nuclei (arrow). Longitudinal section. HE. (Bar = 25 μm). B. Nuclei located at the periphery of the muscle fiber (arrow). Transverse section. HE. (Bar = 50 μm). C. Fascicle organized in perimysium and endomysium. Transverse section. HE. (Bar = 100 μm). D. Connective tissue surrounding the endomysium (dotted arrow) and perimysium (black arrow). Transverse section. Masson trichrome. (Bar = 50 μm). E. Mobilization of cells in the muscle fiber insertion in connective tissue (black arrow), many nuclei are observed. Longitudinal section. HE. (Bar = 50 μm). F. Sarcomere with striations along the muscle fiber. Longitudinal section. HE. (Bar = 25 μm).
Fig. 4 in Morphological and morphometric analysis of skeletal muscle between male and female young adult Colossoma macropomum (Characiformes: Serrasalmidae)
Fig. 4. Frequency of muscle fibers from 300 days old Colossoma macropomum. Significant differences (*) represent the differences between the animal groups according to body weight, 165 to 300 g (black) and 976 to 1,250 g (gray) in each class by ANOVA one-way supplemented by Tukey's test (P<0.05).
Fig. 3. A in Morphological and morphometric analysis of skeletal muscle between male and female young adult Colossoma macropomum (Characiformes: Serrasalmidae)
Fig. 3. A. Cellular apoptosis (black arrow). Transverse section. Masson trichrome. (Bar = 25 μm). B. Detail of the nerve (black circle). Transverse section. Masson trichrome. (Bar = 50 μm).
Fig. 16 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 16: Distribution map of Opamyrma hungvuong. Type locality, record by CHEN & al. (2017), and new records by the preset study are indicated by circle, square, and stars, respectively.
Fig. 14 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 14: Larva of Opamyrma hungvuong, nontype (AKY05vii17-06, China, Guangxi). (A) Scanning electron microscope (SEM) image of body in lateral view; (B) transmitted light microscopy image of head in dorsal view; (C) SEM image of head in frontal view; (D) SEM image of head in lateral view; (E) SEM image of head in ventral view; (F) SEM image of abdominal terminus in lateral view. Abbreviations: Atn = antenna; Gl = galea; Lbp = labial palp; Lbr = labrum; Mdb = mandible; Mxp = maxillary palp.
Fig. 13 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 13: Male genitalia of Opamyrma hungvuong, nontype (Dai19iii2019-029, Son La, Vietnam). (A) genital capsule in dorsal view; (B) genital capsule in ventral view; (C) abdominal sternite IX in ventral view; (D) cupula in ventral view; (E) left paramere with basiventral part of right paramere and cupula, in unfolded outer view; (F) left volsella in lateral view; (G) left penisvalva in lateral view. Abbreviations: Bm = basimere; Cu = cupula; Cs = cuspis; Dg = digitus; Lp = lateral apodeme; Pv = penisvalva; Spl = spinescent lobe; Spc = spiculum; Tm = telomere; Va = valvura.
Fig. 11 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 11: Opamyrma hungvuong male, nontype (Dai19iii2019-029, Son La, Vietnam). (A) head in full-face view; (B) head and mesosoma in lateral view; (C) mouthparts in anteroventral view; (D) head and mesosoma in dorsal view; (E) petiole in lateral view; (F) metasoma in lateral view; (G) petiole in ventral view; (H) metasoma in dorsal view. Abbreviations: Atp = anterior tentorial pit; Lbp = labial palp; Lbr = labrum; Mdl = mandalus; Mxp = maxillary palp; Nt = notauli; Pl = parapsidal line; Pv = penisvalva; Tm = telomere; Tsl = tergosternal line.
Fig. 3 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 3: Maxillolabial complex of Opamyrma hungvuong worker, nontype (AKY05vii17-06, China, Guangxi). (A) Scanning electron microscope image of maxillolabial complex in ventral view, labrum removed; (B) right maxilla in outer view; (C) labium in lateral view; (D) labium in dorsal view. Abbreviations: Ams = anteromedian sclerite; Gcss = galeal crown's stout seta; Hyp = hypopharynx; Lbp = labial palp; Lcn = lacinia; Mxco = maxillary comb; Mxp = maxillary palp; Mxst = maxillary stipes; Prm = prementum; Sglb = subglossal brush.
Fig. 7 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 7: Scanning electron microscope images of legs of Opamyrma hungvuong worker, nontype (AKY05vii17-06, China, Guangxi). (A) strigil of right proleg in anterior view; (B) calcar of strigil of right proleg in anterior view; (C) strigil of right proleg in posterior view; (D) distitarsus of right proleg in posterior view; (E) tibial spurs and basitarsus of right mesoleg in anterior view; (F) tibial spurs and basitarsus of right metaleg in posterior view; (G) pretarsal claws of right metaleg in posteroventral view; (H) tibial spurs of left metaleg in anterior view. Abbreviations: Ats = anterior spur; Ca = calcar; Pts = posterior spur; Ptb = protibia; Pbts = probasitarsus; Ptss = protibial stout seta; Mnb = manubrium; Mstb = mesotibia; Msbts = mesobasitarsus; Mttb = metatibia; Mtbts = metabasitarsus.
Fig. 12 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 12: Male wings of Opamyrma hungvuong, nontype (Dai19iii2019-029, Son La, Vietnam). (A) forewing in dorsal view; (B) hind wing in dorsal view. Abbreviations: 1A = first anal vein; Bc = basal cell; C = costal vein; Cc = costal cell; Cu = cubital vein; Mc1 = marginal cell 1; R = radial vein; Rs = radial sector; Sbc = subbasal cell; Sc = subcostal vein; Sdc1 = subdiscal cell 1; Smc = submarginal cell.
Fig. 2 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 2: Scanning electron microscope images of cephalic parts of Opamyrma hungvuong worker, nontype (AKY05vii17-06, China, Guangxi). (A) anterior part of head in frontal view; (B) cranium in ventral view; (C) right mandible in dorsal view; (D) right hypostomal process in lateral view; (E) left mandible in ventral view; (F) labrum in outer view. Abbreviations: Ctl = canthellus; Hysp = hypostomal process; Occ = occipital carina; Lbr = labrum; Lps = labral peg-like seta; Mdl = mandalus; Mps = mandibular peg-like seta; Pat = preapical tooth; Ptg = peritorular groove; Ptp = posterior tentorial pit; Sca = supraclypeal area.
Fig. 6 in Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma YAMANE, BUI & EGUCHI, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus
Fig. 6: Scanning electron microscope images of mesosoma of Opamyrma hungvuong worker, nontype (AKY05vii17-06, China, Guangxi). (A) whole mesosoma in lateral view; (B) anterior articulation of mesonotum in lateral view, prothorax removed; (C) whole mesosoma in dorsal view; (D) whole mesosoma in ventral view, all legs removed; (E) metapleuron and propodeum in lateral view; (F) prosternite in ventral view, propleurae and prolegs removed. Abbreviations: Mgo = metapleural gland orifice; Mlf = metapleural longitudinal flange; Msg = mesonotal groove; Mstp = mesosternal pit; Mtsp = metanotal spiracle; Pcc = procoxal cavity; Pdl = propodeal lobe.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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