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431 results for “first instar”
Fig. 10 H. itoi, nauplius 6 in Naupliar development of Facetotecta (Crustacea: Thecostraca) and the nature of the first nauplius instar in the Crustacea - pro et contra the Hexanauplia concept
Fig. 10 H. itoi, nauplius 6, dorsal side (SEM) a General view. b Anterior part of head shield (setae in pores indicated by arrowheads, pores without setae indicated by asterisks). c Posterior part of head shield, left side (setae in pores indicated by arrowheads, pores without setae indicated by asterisks). d Posterior part of faciotrunk. Abbreviations: bm - boundary of moult of faciotrunk; dco - papilla of dorsocaudal organ; dcs - dorsocaudal spine. Scale bars in μm
FIGURES 5–8 in A new intriguing species of the genus Pseudachorutella Stach, 1949 (Collembola: Neanuridae: Pseudachorutinae) from Kyrgyzstan with the supplementation of generic definition and the description of the first instar larva
FIGURES 5–8. Pseudachorutella intricata sp. nov. (I instar larva): 5, labium and group Vi; 6, dorsal chaetotaxy of head, thorax and abdomen; 7, labrum; 8, ventral chaetotaxy of abdomen.
FIGURES 9–13 in A new intriguing species of the genus Pseudachorutella Stach, 1949 (Collembola: Neanuridae: Pseudachorutinae) from Kyrgyzstan with the supplementation of generic definition and the description of the first instar larva
FIGURES 9–13. Pseudachorutella intricata sp. nov. (adult): 9, labium and group Vi; 10, maxilla; 11, mandible; 12, mandible (front view); 13, retinaculum and furca.
FIGURES 1–4 in A new intriguing species of the genus Pseudachorutella Stach, 1949 (Collembola: Neanuridae: Pseudachorutinae) from Kyrgyzstan with the supplementation of generic definition and the description of the first instar larva
FIGURES 1–4. Pseudachorutella intricata sp. nov.: 1, dorsal chaetotaxy of Ant. III–IV (I instar larva); 2, ventral chaetotaxy of Ant. III–IV (I instar larva); 3, dorsal chaetotaxy of Ant. III–IV (adult); 4, ventral chaetotaxy of Ant. IV (adult).
FIGURES 14–17 in A new intriguing species of the genus Pseudachorutella Stach, 1949 (Collembola: Neanuridae: Pseudachorutinae) from Kyrgyzstan with the supplementation of generic definition and the description of the first instar larva
FIGURES 14–17. Pseudachorutella intricata sp. nov. (adult): 14, dorsal chaetotaxy of head and Th.I–II; 15, dorsal chaetotaxy of Abd. III–VI; 16, ventral chaetotaxy of abdomen; 17, tibiotarsus and claw of leg I.
FIGURES 82–87. First instar larvae. 82 in Description of immature stages of Hybosa acutangula Spaeth, 1913 (Coleoptera, Chrysomelidae, Cassidinae)
FIGURES 82–87. First instar larvae. 82. Labrum of Physonota alutacea; 83. mouthparts of Cistudinella obducta; 84. labrum of Cassida stigmatica; 85. maxilla of Physonota alutacea; 86. maxillary palp of Cistudinella obducta; 87. maxilla and labium of Cassida rubiginosa. Abbreviations: lp—labial palp; mal—mala; man—mandibula; mpI—first segment of maxillary palp; mpII—second segment of maxillary palp; pp—palpifer. 82–87. after Świętojańska 2009.
FIGURES 37–43. Hybosa acutangula, first instar larva. 37 in Description of immature stages of Hybosa acutangula Spaeth, 1913 (Coleoptera, Chrysomelidae, Cassidinae)
FIGURES 37–43. Hybosa acutangula, first instar larva. 37. Head; 38. stemmata; 39, 40. setae of frons of head; 41. minute seta on vertex of head; 42. labial palp; 43. antenna.
FIGURES 30–36. Hybosa acutangula, first instar larva. 30 in Description of immature stages of Hybosa acutangula Spaeth, 1913 (Coleoptera, Chrysomelidae, Cassidinae)
FIGURES 30–36. Hybosa acutangula, first instar larva. 30. Top of leg, arrow points to position where one seta is missing on the side of claw, pointed seta at base of the claw is also invisible in this aspect; 31. spiracle of thorax; 32. leg, one of the six setae surrounding the claw is missing, pointed seta at base of claw is visible—arrow points to this seta; 33. spiracles of abdominal segment I and II; 34. asperities on supra-anal process; 35. supra-anal processes; 36. top of supra-anal process.
FIGURES 14–22. Hybosa acutangula, first instar larva. 14 in Description of immature stages of Hybosa acutangula Spaeth, 1913 (Coleoptera, Chrysomelidae, Cassidinae)
FIGURES 14–22. Hybosa acutangula, first instar larva. 14. Frontal side of head; 15. temporal side of head; 16. ventral side of labrum; 17. dorsal side of labrum; 18. mandible, dorsal aspect; 19. mandible, ventral aspect; 20. maxillae and labium; 21. palpifer and maxillary palp; 22. two aspects of antenna. Abbreviations: hyp—hypopharynx; lp—labial palp; mal—mala; mpI—first segment of maxillary palp; mpII—second segment of maxillary palp; post—postmentum; pp—palpifer; pre—prementum; st—stipes.
FIGURES 24–29. Hybosa acutangula, first instar larva. 24, 25 in Description of immature stages of Hybosa acutangula Spaeth, 1913 (Coleoptera, Chrysomelidae, Cassidinae)
FIGURES 24–29. Hybosa acutangula, first instar larva. 24, 25. Setae at base of lateral scoli, place ventrally; 26. additional tubercle placed between lateral scoli of second and third pair; 27. top of sensillum of additional tubercle; 28. lateral scolus of last abdominal segment; 29. top of sensillum of last abdominal scolus.
FIGURE 4. Immature stages. A, first instar. B, second instar. C, third instar. D, fourth instar. E in A new species of Coelidiana Oman (Hemiptera: Cicadellidae: Neocoelidiinae) from Brazil with key to Brazilian species, description of immature stages, and notes about parasitoids and host plant
FIGURE 4. Immature stages. A, first instar. B, second instar. C, third instar. D, fourth instar. E, fifth instar. Scale bar in mm
FIGURES 26–33. Goniotropis kuntzeni first instar larva. 26 in Description and behaviour of Goniotropis kuntzeni larvae (Coleoptera: Carabidae: Paussinae: Ozaenini) and a key to genera of Paussinae larvae
FIGURES 26–33. Goniotropis kuntzeni first instar larva. 26—abdomen, right lateral view (scale: 200 µm); 27—abdominal spiracle I (scale: 20 µm); 28—terminal disk, apical view (scale: 1 mm); 29—sensilla SII and SI between dorsal plates (scale: 100 µm); 30—surface of dorsal plate (scale: 100 µm); 31—sensilla SI and SII on margin of dorsal plates (scale: 50 µm), 32—right urogomphus (scale: 500 µm); 33—bilobed apex of lobe B of urogomphus (scale: 100 µm). SI, SII, SIII, SIV, SV, abdominal sensilla.
FIGURES 34–36. Goniotropis kuntzeni first instar larva. 34 in Description and behaviour of Goniotropis kuntzeni larvae (Coleoptera: Carabidae: Paussinae: Ozaenini) and a key to genera of Paussinae larvae
FIGURES 34–36. Goniotropis kuntzeni first instar larva. 34—terminal disk, dorsal view; 35—terminal disk, apical view; 36—left prothoracic leg, posterior view. A, B1, B2, C, D, E1, E2, urogomphal lobes; CL, claws; CO, coxa; e, epipleurite; FE, femur; py, pygidium; t, tergum; TA, tarsus; TI, tibia; TR, trochanter; ug, urogomphus.
FIGURES 17–25. Goniotropis kuntzeni first instar larva. 17 in Description and behaviour of Goniotropis kuntzeni larvae (Coleoptera: Carabidae: Paussinae: Ozaenini) and a key to genera of Paussinae larvae
FIGURES 17–25. Goniotropis kuntzeni first instar larva. 17—head, dorsal view; 18—head, ventral view; 19—left antenna, dorsal view; 20—left maxilla, dorsal view; 21—left mandible, dorsal view; 22—labium, dorsal view; 23—frontoclypeolabrum, dorsal view; 24—tentorium; 25—epipharynx. aa, anterior arms of tentorium; AN, antenna; da = dorsal arms of tentorium; FR, frontoclypeolabrum; LA, labium; MN, mandible; MX, maxilla; pa = posterior arms of tentorium; PA, parietalia; tb = tentorial bridge.
FIGURES 9–16. Goniotropis kuntzeni first instar larva. 9 in Description and behaviour of Goniotropis kuntzeni larvae (Coleoptera: Carabidae: Paussinae: Ozaenini) and a key to genera of Paussinae larvae
FIGURES 9–16. Goniotropis kuntzeni first instar larva. 9—head, dorsal view (scale: 500 µm); 10—labium, dorsal view (scale: 200 µm); 11—pronotum and mesonotum, dorsal view (scale: 500 µm); 12—right antenna, dorsal view (scale: 200 µm); 13—apex of right antennomere IV, dorsal view (scale: 20 µm); 14—apex of right galea, dorsal view (scale: 10 µm); 15—apex of prothoracic leg, anterolateral view (scale: 200 µm); 16—right egg burster (scale: 100 µm).
FIGURES 1–4. Diaphorocera chrysoprasis, first instar larva. 1 in The first larval description in the genus Diaphorocera Heyden (Coleoptera: Meloidae: Cerocomini): D. chrysoprasis Fairmaire
FIGURES 1–4. Diaphorocera chrysoprasis, first instar larva. 1, head, left half, dorsal view; 2, right antenna, dorsal view; 3, left maxilla, ventral view; 4, right mandible, dorsal view. Scale bars: 1 = 0.1 mm; 2–4 = 0.05 mm.
FIGURES 5–8. Diaphorocera chrysoprasis, first instar larva. 5 in The first larval description in the genus Diaphorocera Heyden (Coleoptera: Meloidae: Cerocomini): D. chrysoprasis Fairmaire
FIGURES 5–8. Diaphorocera chrysoprasis, first instar larva. 5, prothorax, left half, dorsal view; 6, abdominal tergum I, left half, dorsal view; 7, abdominal tergum II, left half, dorsal view; 8, abdominal tergum IX, right half, dorsal view. Scale bar = 0.1 mm.
FIGURES 7–14 in Morphology and surface structure of eggs and first instar larvae of Croce schmidti (Navás, 1927) (Neuroptera: Nemopteridae)
FIGURES 7–14. First instar larva of C. schmidti. 7. General view with light microscope. 8. SEM micrograph of general view. 9. SEM micrograph the surface of head and small dolichasters. 10. Head-prothorax connection. 11. SEM micrograph of legs. 12. Paired claws of a leg. 13. Dorsal surface of abdomen. 14. Last abdominal segment.
FIGURES 12–13. Andogyrus seriatopunctatus, first instar larva. 12 in Morphology and chaetotaxy of the larval stages of Andogyrus seriatopunctatus Régimbart (Coleoptera: Adephaga: Gyrinidae)
FIGURES 12–13. Andogyrus seriatopunctatus, first instar larva. 12, Head capsule, chaetotaxy, dorsal view; 13, head capsule, chaetotaxy, ventral view. Additional setae marked with a black square.
FIGURES 10–11. Andogyrus seriatopunctatus, first instar larva. 10 in Morphology and chaetotaxy of the larval stages of Andogyrus seriatopunctatus Régimbart (Coleoptera: Adephaga: Gyrinidae)
FIGURES 10–11. Andogyrus seriatopunctatus, first instar larva. 10, Abdominal segments VIII–X, dorsal view; 11, abdominal segments VIII–X, ventral view. Scale bar: 0.5 mm.
ScienceDex guides
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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.