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Figs. 30–33. Paraminotella nigrita male. 30, 31 in A New Genus of Flea Beetles from Nepal (Coleoptera: Chrysomelidae)
Figs. 30–33. Paraminotella nigrita male. 30, 31) metatibia; 32, 33) ventral surface of first protarsomere.
Figs. 5–6. Meganeltumius juani, male genitalia. 5 in Meganeltumius juani, New Genus, New Species (Coleoptera: Bruchidae)
Figs. 5–6. Meganeltumius juani, male genitalia. 5) Median lobe, ventral view; 6) Lateral lobes, ventral view.
Figs. 2–14. Desmopachria spp., male genitalia. 2–4 in Descriptions Of New Species Of Desmopachria Babington (Coleoptera: Dytiscidae: Hydroporinae: Hyphydrini) With A Reassessment Of The Subgenera And Species Groups And A Synopsis Of The Species
Figs. 2–14. Desmopachria spp., male genitalia. 2–4) D. amyae; 2) median lobe and left lateral lobe, dorsal aspect; 3) same, median lobe, right lateral aspect; 4) same, right lateral lobe, right lateral aspect; 5–7) D. challeti; 5) median lobe and left lateral lobe, dorsal aspect; 6) same, median lobe, right lateral aspect; 7) same, left lateral lobe, left lateral aspect; 8–10) D. signatoides; 8) median lobe and left lateral lobe, dorsal aspect; 9) same, median lobe, right lateral aspect; 10) same, right lateral lobe, right lateral aspect; 11–13) D. volatidisca; 11) median lobe, dorsal aspect; 12) same, median lobe, right lateral aspect; 13) same, right lateral lobe, right lateral aspect; 14) Desmopachria signatoides, left antenna, dorsal aspect. bars = 0.1 mm
Figs. 21–33. Desmopachria convexa group, male genitalia. 21 in Descriptions Of New Species Of Desmopachria Babington (Coleoptera: Dytiscidae: Hydroporinae: Hyphydrini) With A Reassessment Of The Subgenera And Species Groups And A Synopsis Of The Species
Figs. 21–33. Desmopachria convexa group, male genitalia. 21) D. aspera; 22) D. cenchramis; 23) D. circularis; 24) D. convexa; 25) D. defloccata; 26) D. glabella; 27) D. grana; 28) D. isthmia; 29) D. laesslei; 30) D. lewisi; 31) D. majuscula, median and lateral lobes; 32) D. signata, median and lateral lobes; 33) D. tarda. a = median and lateral lobes, b = lateral lobe.
Figs. 5–8. Male. 5 in Two New South American Genera Of Ancylocerina Thomson (Coleoptera: Cerambycidae: Trachyderini)
Figs. 5–8. Male. 5) Callancyla curvicollis Buquet; 6) Ancylocera cardinalis (Dalman); 7) Cercoptera banonii Spinola; 8) Ceralocyna variegata Monné and Napp, holotype.
FIGURE 3. Setostylus xoxo spec. nov. Holotype male. A. Abdomen, ventral view. B, D. Male genitalia, ventral view. C, E. Tergite 9 in A new species of Setostylus Matile and new records of Setostylus bellulus (Williston) (Diptera: Keroplatidae)
FIGURE 3. Setostylus xoxo spec. nov. Holotype male. A. Abdomen, ventral view. B, D. Male genitalia, ventral view. C, E. Tergite 9, dorsal view (posterior edge at top in the Fig. E). Scales: A = 0.5 mm; B–C = 0.1 mm; D–E = 0.16 mm. Abbreviations: Ae com= Aedeagal complex; cer = cerci; gs = gonostylus; gx = gonocoxites; pa = paramere.
FIGURE 1. Setostylus xoxo spec. nov. Holotype male. A in A new species of Setostylus Matile and new records of Setostylus bellulus (Williston) (Diptera: Keroplatidae)
FIGURE 1. Setostylus xoxo spec. nov. Holotype male. A. Antenna, lateral view (dorsal edge on right). B. Thorax, dorsal view. C–E. Legs, lateral view. C. Fore leg. D. Mid leg. E. Hind leg. Abbreviations: cx = coxa; fe = femur; flgm 1 = first flagellomere; hlt = halter; pe = pedicel; tb = tibia; tb spr = tibial spur; tr = trochanter; tsm 1 = tarsomere 1; scp = scape. Scale: A= 0.1 mm; B–E= 0.5 mm.
Figs. 8–12. Canthidium pseudoperceptibile, male paratype. 8 in A New Species of Canthidium Erichson (Coleoptera: Scarabaeidae: Scarabaeinae) from the Endemic Biota of Los Chimalapas, Oaxaca, Mexico
Figs. 8–12. Canthidium pseudoperceptibile, male paratype. 8) Habitus, dorsal view; 9) Head; 10) Protibia; 11–12) Parameres, caudal and lateral views, respectively.
FIGURE 5. Caligocanna mirabilis, males. A in Deep-sea nematodes of the family Microlaimidae from the Clarion-Clipperton Fracture Zone (North-Eastern Tropic Pacific), with the descriptions of three new species*
FIGURE 5. Caligocanna mirabilis, males. A, specimen No. 1, head; B, specimen No. 1, anterior end; C, specimen No. 1, total view; D, specimen No. 3, copulatory apparatus. Scale bars: A, B = 20 µm; C = 100 µm; D = 10 µm.
Fig. 3. Cisandina n. gen. male genitalia, C. lea n in Systematic Revision of a New Butterfly Genus, Cisandina Nakahara & Espeland, n. gen., with Descriptions of Three New Taxa (Lepidoptera: Nymphalidae: Satyrinae)
Fig. 3. Cisandina n. gen. male genitalia, C. lea n. comb.: (a) lateral view of genitalic capsule without phallus; (b) posterior view of juxta; (c) lateral view of phallus; (d) posterior view of genitalic capsule indicating the reduced appendices angulares ([a to c] based on dissection KW-14-18, [d] based on dissection SN-20-16); C. esmeralda n. sp.: (e) lateral view of genitalic capsule without phallus; (f) posterior view of juxta; (g) lateral view of phallus (e to g) based on dissection SN-20- 14); C. philippa n. comb. & reinst. stat.: (h) lateral view of genitalic capsule with phallus; (i) posterior view of juxta; (j) lateral view of phallus ([h to j] based on dissection SN-20-34); C. castanya n. sp.: (k) lateral view of genitalic capsule without phallus; (l) posterior view of juxta; (m) lateral view of phallus; (n) vesica everted to visualize cornuti ([k to m] based on dissection SN-20-12, [n] based on SN-20-32); C. fida n. comb.: (o) lateral view of genitalic capsule without phallus; (p) posterior view of juxta; (q) lateral view of phallus ([o to q] based on dissection SN-20-40); C. sanmarcos n. comb.: (r) lateral view of genitalic capsule with phallus; (s) posterior view of juxta; (t) lateral view of phallus ([r to t] based on dissection SN-14-149); C. trinitesis n. comb.: (u) lateral view of genitalic capsule without phallus; (v) posterior view of juxta; (w) lateral view of phallus ([u to w] based on dissection SN-20-84). Scale bar = 1 mm. Drawings of C. sanmarcos n. comb. are reproduced from Nakahara et al. (2018a).
Fig. 4. Metabacetus hermani, male genitalia. A in A New Species of the Oriental Abacetine GenusMetabacetusBates, 1892 (Coleoptera: Carabidae) and a Key to the Species of the Genus
Fig. 4. Metabacetus hermani, male genitalia. A) median lobe, left lateral view. B) median lobe, tip ventral view, C) left paramere. D) right paramere.
Figure 6. Male genitalia. Heraeus cinnamomeus Barber, 1948 in A phylogenetic revision of the true bug genus Heraeus (Hemiptera: Rhyparochromidae: Myodochini), with the description of two new genera and 30 new species
Figure 6. Male genitalia. Heraeus cinnamomeus Barber, 1948: A, pygophore, dorsal view; B, pygophore, lateral view; C, right paramere, inner view; D, right paramere, external view. Heraeus coquilletti Barber, 1914: E, pygophore, dorsal view; F, pygophore, lateral view; G, right paramere, inner view; H, right paramere, external view. Heraeus costalis sp. nov.: I, pygophore, dorsal view; J, pygophore, lateral view; K, right paramere, inner view; L, right paramere, external view. Heraeus itzelae sp. nov.: M, pygophore, dorsal view; N, pygophore, lateral view; O, right paramere, inner view; P, right paramere, external view.
Losses of sexual dichromatism involve rapid changes in female plumage colors to match males in New World blackbirds
<p>Differences in coloration between the sexes (sexual dichromatism) can increase or decrease in a species through evolutionary changes in either or both sexes diverging or converging in their colors. Few previous studies, however, have examined the relative rates of such changes, particularly when dichromatism is lost. Using reflectance data from 37 species of the New World blackbird family (<em>Icteridae</em>), we compared evolutionary rates of plumage color change in males and females when dichromatism was either increasing (colors diverging) or decreasing (colors converging). Increases in dichromatism involved divergent changes in both sexes at approximately equal rates. Decreases in dichromatism, in contrast, involved changes in females to match male plumage colors that were significantly more rapid than any changes in males. Such dramatic changes in females show how selection can differ between the sexes. Moreover, these evolutionary patterns support the idea that losses of dimorphism involve genetic mechanisms that are already largely present in both sexes, whereas increases in dimorphism tend to involve the appearance of novel sex-specific traits, which evolve more slowly. Our results have broad implications for how sexual dimorphisms evolve.</p>
FIGURES 34–35. Habitus and male genitalia.34 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURES 34–35. Habitus and male genitalia.34. Ochthebius (Gymnochthebius) falli (Perkins).35. Ochthebius (Gymnochthebius) fossatus LeConte.
FIGURE 2. Male S1 in A new species of Minagrion Santos, 1965 (Odonata: Coenagrionidae) from the Cerrado of Northern Minas Gerais state, Brazil
FIGURE 2. Male S1 tubercle in lateral view: (a) Minagrion veredae sp. nov. HOLOTYPE; (b) Minagrion waltheri.
FIGURE 4 in Male flowers reveal the true identity of a new species of Hechtia (Bromeliaceae) from the Mexican state of Jalisco
FIGURE 4. Illustration of Hechtia carrilloi. A. Branch with pistillate flowers. B. Female plant with inflorescence. C. Male plant with inflorescence. D. Branch with staminate flowers. D. Detail of staminate flowers. E. Branch with immature fruits. Illustration by Alberto Guerra.
FIGURE 1 in Male flowers reveal the true identity of a new species of Hechtia (Bromeliaceae) from the Mexican state of Jalisco
FIGURE 1. Geographical distribution of Hechtia carrilloi (black triangles), and H. santanae (white dots).
FIGURE 3. Hechtia carrilloi. A. Staminate inflorescence. B. Staminate flowers. C. Pistillate flowers. D in Male flowers reveal the true identity of a new species of Hechtia (Bromeliaceae) from the Mexican state of Jalisco
FIGURE 3. Hechtia carrilloi. A. Staminate inflorescence. B. Staminate flowers. C. Pistillate flowers. D. Line drawing of staminate (above) and pistillate (below) flowers. E. Fruits. F. Rosette showing a central infructescence with strict sympodial growth pattern. (Credits: A, B. Ivón Ramírez-Morillo. C. Juan Pablo Ortiz-Brunel. D. Alberto Guerra. E, F. Katya Romero-Soler).
FIGURES 15–16. 15 in Two new species of Asymphyloptera Collin (Diptera: Empididae: Clinocerinae) from Colombia, with an updated key to males of New World species
FIGURES 15–16. 15, Geographical distribution for all species of Asymphyloptera of the New World; 16, Malaise trap stretched across small stream in habitat of Asymphyloptera miraflorensis Ramos-Pastrana, Córdoba-Suarez & Sinclair sp. nov. and A. tama Ramos-Pastrana, Córdoba-Suarez & Sinclair sp. nov.
FIGURES 8–14 in Two new species of Asymphyloptera Collin (Diptera: Empididae: Clinocerinae) from Colombia, with an updated key to males of New World species
FIGURES 8–14. Asymphyloptera tama Ramos-Pastrana, Córdoba-Suarez & Sinclair sp. nov. (LEUA–59560). Male. 8, Habitus, left lateral view; 9, Antenna; 10, Thorax, dorsal view; 11, Wing; 12, Terminalia, lateral view; 13, Terminalia illustration, lateral view; 14, Female, habitus, left lateral view (LEUA–59568).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.