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392 results for “mayflies”
FIGURES 31–32 in A New Mayfly Species of Epeorus (Caucasiron) from Southwestern China (Ephemeroptera: Heptageniidae)
FIGURES 31–32. Mature nymphs of Epeorus (Caucasiron) extraordinarius sp. nov. (digital photo). 31, dorsal view; 32, ventral view.
FIGURES 22–29 in A New Mayfly Species of Epeorus (Caucasiron) from Southwestern China (Ephemeroptera: Heptageniidae)
FIGURES 22–29. Epeorus (Caucasiron) extraordinarius sp. nov., Male imago: 22, forewing; 23, hindwing; 24–26, fore-, mid, and hind legs respectively; 27, color pattern of tergum 3; 28, penes (ventral view); 29, genitalia (dorsal view). FIGURE 30. Female imago, sterna 7–9.
FIGURES 10–13 in New species and records for the mayfly families Caenidae, Leptohyphidae and Coryphoridae (Ephemeroptera, Pannota) from Venezuelan Guayana's Uplands
FIGURES 10–13. Coryphorus aquilus: 10, male imago from Leticia (Colombia) at left and from Venezuela at right; 11, female subimago; 12, male fore wing; 13, male abdomen, d.v.
FIGURES 14–22 in New species and records for the mayfly families Caenidae, Leptohyphidae and Coryphoridae (Ephemeroptera, Pannota) from Venezuelan Guayana's Uplands
FIGURES 14–22. Macunahyphes pemonensis sp. nov.; 14, male imago; 15, female imago; 16, male fore wing. Macunahyphes incognitus: 17, male fore wing. Tricorythopsis yucupe: 18, female imago; 19, nymph, l.v. (at=abdominal tubercle, mk=mesonotal keel); 20, styliger and forceps of pharate male adult (sp=styliger projections, f1=forceps segment 1, f2= forceps segment 2); 21, penes of pharate male; 22, operculate gill, d.v. (tl=transverse line).
FIGURES 5–9 in New species and records for the mayfly families Caenidae, Leptohyphidae and Coryphoridae (Ephemeroptera, Pannota) from Venezuelan Guayana's Uplands
FIGURES 5–9. Caenis teipunensis sp. nov.: 5, male genitalia, v.v. (a=apophysis, cs=central sclerite, sc=styliger sclerite, st=small tubercles, vg=ventral groove); 6a-f, variations in forceps. Macunahyphes pemonensis sp. nov.; 7, male genitalia, l.v.; 8, same, v.v. Macunahyphes incognitus: 9, male genitalia, v.v. (pps= posterior projection of styliger, vs=ventral structure of penes).
FIGURES 1–4 in New species and records for the mayfly families Caenidae, Leptohyphidae and Coryphoridae (Ephemeroptera, Pannota) from Venezuelan Guayana's Uplands
FIGURES 1–4. Caenis teipunensis sp. nov.: 1, general view of male; 2, male presternal triangle (arrow); 3, male genitalia, v.v. (arrows indicate apophyses of styliger sclerite); 4, general view of female.
FIGURES 14–16 in Rhithrogena sartorii, a new mayfly species (Ephemeroptera: Heptageniidae) from North Africa
FIGURES 14–16. Rhithrogena sartorii sp. nov., egg: 14. General view. 15. Detail of the micropyle. 16. Polar cap.
FIGURES 11–13 in Rhithrogena sartorii, a new mayfly species (Ephemeroptera: Heptageniidae) from North Africa
FIGURES 11–13. Rhithrogena sartorii sp. nov., male subimago: 11. Styliger plate and gonopods in ventral view. 12. Penis. 13. Titillator, lateral view.
FIGURES 2–10 in Rhithrogena sartorii, a new mayfly species (Ephemeroptera: Heptageniidae) from North Africa
FIGURES 2–10. Rhithrogena sartorii sp. nov., larva: 2. Head, dorsal. 3s. Labrum, dorsal face 4. Comb-shaped setae from maxillary lacinia. 5s. Labium (dorsal view). 6. Hind femur. 7s. Bristles from the margin and the central part of hind femur. 8. First abdominal sternite. 9. Posterior margin of tergum V. 10a. Gill I. 10b. Gill II. 10c. Gill VII. R. insularis, 3i. 5i. 7i. R. nuragica, 3n. 5n. 7n.
FIGURE 1 in Rhithrogena sartorii, a new mayfly species (Ephemeroptera: Heptageniidae) from North Africa
FIGURE 1. Location of the Rhithrogena sartorii sp. nov. sampling sites in Northern Tunisia: 1. Ennour. 2. Rennagha. 3. Berbeg. 4. Ghezala.
FIGURE 15 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 15. Paralectotype nymph gills of Lestagella penicillata. (a) Filamentous first gill I on abdominal segment I; (b) operculate lamellate gill II found on abdominal segment II; (c) lamellate gill III; (d) lamellate gill IV.
FIGURE 14 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 14. Paralectotype nymph foreleg of Lestagella penicillata showing (a) spatulate setae; (b) variable medio-transverse gap on femur; (c) tarsal claw showing denticles and subapical setae.
FIGURE 16 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 16. Regrowth of mouthparts of Lestagella penicillata. (a) Left mandible; (b) right mandible; (c) maxilla; (d) hypopharynx; (f) labium and (f) labrum.
FIGURE 5 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 5. Lectotype male (a) genitalia of Lestagella penicillata showing details of genital forceps (b) segment II and (c) segment III.
FIGURE 3 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 3. Lectotype male imago of Lestagella penicillata. (a) Forewing with dotted line showing basally faint RS vein, dashed lines show variations in intercalaries seen in other specimens, intercalaries always absent between RA and RSa; (b) hindwing ovoid in shape with costal elevation and slight medial depression as depicted, variations in venation are shown as dashed lines; (c) Ventral margins of both fore- and hindwings showing jagged edge possibly as a result of shedding of subimaginal falcate microtrichia.
FIGURE 4 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 4. Paralectotype male imago of Lestagella penicillata. (a) Foreleg showing details of (b) femora; (c) tarsus and (d) tarsal claw. (e) Hindleg showing (f) details of the tarsi and claw and (g) spine-like processes of tarsi (female imago fore-, mid- and hindlegs similar to male hindleg).
FIGURE 2 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 2. Paralectotypes of Lestagella penicillata. (a) Lateral view of adult female; (b) lateral view of adult male. Dorsal views of (c) female nymph and (d) male nymph, arrow showing foreleg regeneration where one foreleg is noticeably smaller than the other and without various types of setae. (e) Ventral view of male nymph. Scale bars = 1 mm.
FIGURE 1 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 1. Map of recorded and sampled localities of the genus Lestagella. Diamonds represent sampled localities, triangles are previously recorded localities obtained from the Albany Museum (AMGS) database, and the cross ("X") denotes the lectotype locality from Table Mountain slopes.
FIGURE 9–13 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 9–13. Paralectotype nymph of Lestagella penicillata. Fig. 9. Ventral surface of mandibles; Fig. 10. Left mandible; Fig. 11. Right mandible; Fig. 12. Right maxilla; Fig. 13. Worn maxilla from a mature nymph.
FIGURE 6–8 in Redescription and lectotype designation of the endemic South African mayfly Lestagella penicillata (Barnard, 1932) (Ephemeroptera: Teloganodidae)
FIGURE 6–8. Paralectotype nymph of Lestagella penicillata. Fig. 6. Labrum showing (a) feathered setae; (b) remnant setal bases; (c) long, smooth setae (not feathered); Fig. 7. Hypopharynx, dorsal view (right) and ventral view (left); Fig. 8. Labium.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.