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356 results for “larval instar”
Fig. 4. Anticura flinti, first instar. A–B in Larval Morphology and Biology of the New Zealand-Chilean Genera Cylomissus Broun and Anticura Spangler (Coleoptera: Hydrophilidae: Rygmodinae)
Fig. 4. Anticura flinti, first instar. A–B) Antenna, dorsal and ventral views, C–D) Left and right mandible, dorsal view, E–F) Maxilla, dorsal and ventral views, G–H) Labium, dorsal and ventral views.
Fig. 8. Anticura flinti, third instar. A in Larval Morphology and Biology of the New Zealand-Chilean Genera Cylomissus Broun and Anticura Spangler (Coleoptera: Hydrophilidae: Rygmodinae)
Fig. 8. Anticura flinti, third instar. A) Head, dorsal view, B) Prosternal sclerite, ventral view, C) Metathoracic leg, ventral view, D) Abdominal segments 8–10 with spiracular atrium, dorsal view.
Fig. 5. Anticura flinti, second instar. A–B in Larval Morphology and Biology of the New Zealand-Chilean Genera Cylomissus Broun and Anticura Spangler (Coleoptera: Hydrophilidae: Rygmodinae)
Fig. 5. Anticura flinti, second instar. A–B) Antenna, dorsal and ventral views, C–D) Maxilla, dorsal and ventral views.
Fig. 13. Cylomissus glabratus, third instar. A–B in Larval Morphology and Biology of the New Zealand-Chilean Genera Cylomissus Broun and Anticura Spangler (Coleoptera: Hydrophilidae: Rygmodinae)
Fig. 13. Cylomissus glabratus, third instar. A–B) Antenna, dorsal and ventral views, C–D) Left and right mandible, dorsal view, E–F) Maxilla, dorsal and ventral views, G–H) Labium, dorsal and ventral views.
Figs. 10–11. Yola wraniki, instar III. 10 in Larval Morphology ofYolaGozis, 1886 (Coleoptera: Dytiscidae: Bidessini) and Comparison with other Genera of the Tribe Bidessini
Figs. 10–11. Yola wraniki, instar III. 10) Left prothoracic leg, anterior aspect; 11) Right prothoracic leg, posterior aspect. Pretarsal setae PT1 and PT2 not represented. Numbers and lowercase letters indicate primary setae and pores, respectively. CO = coxa; FE = femur; PT = pretarsus; TA = tarsus; TI = tibia; TR = trochanter. Scale bar = 0.10 mm.
Figs. 3–9. Yola wraniki, instar III. 3 in Larval Morphology ofYolaGozis, 1886 (Coleoptera: Dytiscidae: Bidessini) and Comparison with other Genera of the Tribe Bidessini
Figs. 3–9. Yola wraniki, instar III. 3) Right antenna, dorsal aspect; 4) Left antenna, ventral aspect; 5) Right mandible, dorsal aspect; 6) Right maxilla, dorsal aspect; 7) Left maxilla, ventral aspect; 8) Labium, dorsal aspect; 9) Labium, ventral aspect. Numbers and lowercase letters indicate primary setae and pores, respectively. AN = antenna; LA = labium; MN = mandible; MX = maxilla. Scale bars = 0.05 mm.
Figs. 94–105. Megasoma occidentalis, third instar. 94 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 94–105. Megasoma occidentalis, third instar. 94) Head, frontal view; 95) epipharynx; 96–97) mandibles, ventral view, 96) right and 97) left; 98) labium and hypopharynx, dorsal view; 99) left maxilla dorsal view; 100) distal segment of antenna, dorsal view; 101) thoracic spiracle; 102) structure of holes of respiratory plate; 103) left prothoracic claw, lateral view; 104) venter of segment X of abdomen; 105) last abdominal segments, lateral view. Bar ¼ 1 mm for all figures except Fig. 102.
Figs. 81–92. Megasoma actaeon, third instar. 81 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 81–92. Megasoma actaeon, third instar. 81) Head, frontal view; 82) epipharynx; 83–84) mandibles, dorsal view, 83) left and 84) right; mandibles, ventral view, 85) right and 86) left; 87) right maxilla and hypopharynx, dorsal view; 88) detail of maxillary stridulatory area; 89) distal segment of antenna, dorsal view; 90) distal segment of antenna, ventral view; 91) left middle tarsal claw, anterolateral view; 92) second right abdominal spiracle. Fig. 81, bar ¼ 5 mm. Figs. 82–87, 89–90, 92, bar ¼ 1 mm. Figs. 88, 91, bar ¼ 0.5 mm.
Figs. 43–54. Megasoma vogti, third instar. 43 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 43–54. Megasoma vogti, third instar. 43) Head, frontal view; 44) epipharynx; 45) left maxilla and labium, ventral view; 46–47) mandibles, ventral view, 46) right and 47) left; 48–49) mandibles, dorsal view, 48) left and 49) right; 50) detail of maxillary stridulatory area; 51) distal segment of antenna, dorsal view; 52) left posterior tarsal claw, external view; 53–54) second right abdominal spiracle, 53) lateral view and 54) left ventrolateral view. Figs. 43–49, bar ¼ 1 mm. Figs. 50–54, bar ¼ 0.5 mm.
Figs. 67–75. Megasoma elephas, third instar. 67 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 67–75. Megasoma elephas, third instar. 67) Head, frontal view; 68) epipharynx; 69–70) mandibles, ventral view; 69) right and 70) left; 71) right maxilla and hypopharynx, dorsal view; 72) detail of maxillary stridulatory area; 73) distal segment of antenna, dorsal view; 74) right posterior tarsal claw, external view; 75) second right abdominal spiracle. Fig. 76. Megasoma elephas, first instar, second right abdominal spiracle. Figs. 67–71, 75, bar ¼ 1 mm. Figs. 72–74, 76, bar ¼ 0.5 mm.
Figs. 55–65. Megasoma cedrosa, third instar. 55 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 55–65. Megasoma cedrosa, third instar. 55) Head, frontal view; 56) epipharynx; 57–58) mandibles, ventral view, 57) right and 58) left; 59) detail of maxillary stridulatory area; 60) left maxilla, ventral view; 61) distal segment of antenna, dorsal view; 62–63) second right abdominal spiracle, 62) anterolateral view and 63) lateral view; 64) left posterior tarsal claw, external view; 65) last abdominal segment, ventral view with raster. Figs. 55–58, 60, 65, bar ¼ 1 mm. Figs. 59, 61–64, bar ¼ 0.5 mm. Fig. 65, bar ¼ 5 mm.
Figs. 29–40. Megasoma thersites, third instar. 29 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 29–40. Megasoma thersites, third instar. 29) Head, frontal view; 30) epipharynx; 31–32) mandibles, ventral view, 31) right and 32) left; 33) distal part of right maxillary mala; 34) detail of maxillary stridulatory area; 35) right maxilla and hypopharynx, dorsal view; 36–37) distal segment of antenna, 36) dorsal view and 37) ventral view; 38) left posterior tarsal claw, external view; 39) second right abdominal spiracle; 40) microstructure of respiratory plate (5003). Figs. 29–32, 35, bar ¼ 1 mm. Figs. 33–34, 36–39, bar ¼ 0.5 mm.
Figs. 16–26. Megasoma punctulatus, third instar. 16 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 16–26. Megasoma punctulatus, third instar. 16) Head, frontal view; 17) epipharynx; 18–19) mandibles, ventral view, 18) right and 19) left; 20–21) mandibles, dorsal view, 20) left and 21) right; 22) left maxilla and hypopharynx, dorsal view; 23–24) distal segment of antenna, 23) dorsal view and 24) ventral view; 25) left posterior tarsal claw, external view; 26) second right abdominal spiracle. Figs. 16–22, bar ¼ 1 mm. Fig. 26, bar ¼ 0.5 mm.
Figs. 1–14. Megasoma pachecoi, third instar. 1 in Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology
Figs. 1–14. Megasoma pachecoi, third instar. 1) Head, frontal view; 2) epipharynx; 3–4) mandibles, ventral view, 3) right and 4) left; 5) right maxilla and hypopharynx, dorsal view; 6) detail of unci of lacinia; 7) detail of maxillary stridulatory area; 8–9) distal segment of antenna, 8) dorsal view and 9) ventral view; 10–11) left tarsal claws, external views, 10) middle and 11) posterior; 12) second left abdominal spiracle; 13) detail of bulla of spiracle, ventral view; 14) microstructure of respiratory plate (5003). Figs. 1–5, bar ¼ 1 mm. Figs. 6–13, bar ¼ 0.5 mm.
Figs. 3–4. Allomatus nannup Watts, Instar I, metathoracic leg. 3 in Larval Morphology of Allomatus nannup Watts (Coleoptera: Adephaga: Dytiscidae)
Figs. 3–4. Allomatus nannup Watts, Instar I, metathoracic leg. 3) Coxa, trochanter, and femur, anterior surface; 4) coxa, trochanter, and femur, posterior surface; CO ¼ coxa, FE ¼ femur, TR ¼ trochanter, numbers and lowercase letters refer to primary setae and pores, respectively; non-identified setae and pores ¼ additional setae and pores (cf. material and methods). Scale bar ¼ 0.10 mm.
Figs. 1–2. Allomatus nannup Watts, Instar I. 1 in Larval Morphology of Allomatus nannup Watts (Coleoptera: Adephaga: Dytiscidae)
Figs. 1–2. Allomatus nannup Watts, Instar I. 1) Head capsule, dorsal aspect (color pattern not represented); 2) abdominal segment 8, dorsal aspect; AB ¼ abdominal segment 8, EB ¼ egg bursters, LC ¼ lamellae clypeales, FR ¼ frontoclypeus, PA ¼ parietale, and lowercase letters refer to primary setae and pores, respectively. Scale bar ¼ 0.10 mm.
Figs. 5–6. Allomatus nannup Watts, Instar I, metathoracic leg. 5 in Larval Morphology of Allomatus nannup Watts (Coleoptera: Adephaga: Dytiscidae)
Figs. 5–6. Allomatus nannup Watts, Instar I, metathoracic leg. 5) Tibia and tarsus, anterior surface; 6) tibia and tarsus, posterior surface; TA ¼ tarsus, TI ¼ tibia, TR ¼ trochanter, numbers and lowercase letters refer to primary setae and pores, respectively; non-identified setae and pores ¼ additional setae and pores (cf. material and methods); pretarsus not represented. Scale bar ¼ 0.10 mm.
Figs. 10–19. Platycoelia lutescens third instar larva. 10 in Larval Descriptions For The Neotropical Genus Platycoelia (Coleoptera: Scarabaeidae: Rutelinae: Anoplognathini)
Figs. 10–19. Platycoelia lutescens third instar larva. 10) Habitus; 11) frontal view of head; 12) epipharynx; 13) labium and hypopharynx; 14) dorsal view of maxilla; 15) ventral view of a) right mandible and b) left mandible; 16) dorsal view of a) left mandible and b) right mandible; 17) dorsal view of antenna; 18) thoracic spiracle; 19) tarsungulus of posterior leg.
Figs. 1–9. Platycoelia gaujoni third instar larva. 1 in Larval Descriptions For The Neotropical Genus Platycoelia (Coleoptera: Scarabaeidae: Rutelinae: Anoplognathini)
Figs. 1–9. Platycoelia gaujoni third instar larva. 1) Habitus; 2) frontal view of head; 3) epipharynx; 4) labium and hypopharynx; 5) dorsal view of maxilla; 6) ventral view of a) right mandible and b) left mandible; 7) dorsal view of a) left mandible and b) right mandible; 8) thoracic spiracle; 9) tarsungulus of posterior leg.
Fig. 1. Walterianella bucki, first instar larva. A in First Descriptions Of Larval Stages Of Walterianella Bucki Bechyné (Coleoptera: Chrysomelidae: Alticini) And Notes On Life History
Fig. 1. Walterianella bucki, first instar larva. A) Dorsal habitus; B) clublike seta; C) egg; D) prothoracic leg, interior view; E) right antenna, dorsal view.
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.