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FIGURE 1 in Final instar larva of Acanthagrion truncatum Selys, 1876 (Zygoptera Coenagrionidae)
FIGURE 1. Acanthagrion truncatum: (a) dorsal habitus of exuvia; (b) detail of right cephalic lobe; (c) antenna; (d) dorsal view of prementum.
Figs. 11–12. Pelidnota fulva, third instar. 11 in Description of the Third Instar ofPelidnota fulvaBlanchard, 1850 (Coleoptera: Scarabaeidae: Rutelinae)
Figs. 11–12. Pelidnota fulva, third instar. 11) Left legs, a) prothoracic, b) mesothoracic, c) metathoracic; 12) Raster. Scale = 1 mm.
Figs. 1–5. Pelidnota fulva, third instar. 1 in Description of the Third Instar ofPelidnota fulvaBlanchard, 1850 (Coleoptera: Scarabaeidae: Rutelinae)
Figs. 1–5. Pelidnota fulva, third instar. 1) Larva, lateral view; 2) Head, frontal view; 3) Hypopharynx; 4) Right mandible, a) ventral view, b) dorsal view; 5) Left mandible, a) dorsal view, b) ventral view. Fig. 1 scale bar = 2 mm; scale bars in other figures = 1 mm.
Figs. 1–9. Dynastes neptunus, third instar larva. 1 in Dynastes neptunus Quenzel (Coleoptera: Scarabaeidae: Dynastinae); Descriptions of the Third Instar Larva and Pupa, with Notes on Biology
Figs. 1–9. Dynastes neptunus, third instar larva. 1) Head, frontal view; 2) epipharynx; 3) left mandible, dorsal view; 4) right mandible, dorsal view; 5) right mandible, ventral view; 6) left mandible, ventral view; 7) left maxilla, dorsal view; 8) distal segment of left antenna; 9) distal segment of right antenna.
Figs. 1–6. Neoscelis dohrni, second instar larva. 1 in The Immature Stages of Neoscelis Dohrni (Westwood) (Coleoptera: Scarabaeidae: Cetoniinae: Goliathini) with Notes on Adult Behavior
Figs. 1–6. Neoscelis dohrni, second instar larva. 1) Head, frontal view; 2) epipharynx; 3) right mandible, ventral view; 4) left mandible, ventral view; 5) apex of right mandible, distal view; 6) molar area of left mandible, mesial view. Scale lines ¼ 0.5 mm, except Figure 1 ¼ 1 mm.
Figs. 1–7. Xyloryctes furcatus, third instar larva. 1 in Descriptions of XYLORYCTES Hope Larvae with a Key to Species Based on the Third Stage Larvae (Coleoptera: Scarabaeidae: Dynastinae)
Figs. 1–7. Xyloryctes furcatus, third instar larva. 1) Frontal view of head; 2) epipharynx; 3) right maxilla, dorsal view; 4) apex of right mala showing unci; 5) labium and hypopharyngeal sclerome, dorsal view; 6) apical antennal segment, ventral view; 7) same, dorso-lateral view. Scale lines ¼ 1 mm, except Figures 6–7 ¼ 0.5 mm.
Fig. 2 in Descriptions of the Second and Third Instars of Heterosternuta sulphuria(Matta and Wolfe) (Coleoptera: Dytiscidae: Hydroporinae), with A Key For Identification of the Known Larvae of Heterosternuta Strand
Fig. 2. Heterosternuta sulphuria, third instar, last abdominal segment and urogomphus, dorsal aspect. Scale bar = 0.1 mm.
Fig. 31 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Fig. 31. Distribution of Brychius hornii Crotch (Coleoptera: Haliplidae) and Brychius pacificus Carr (Coleoptera: Haliplidae) in Oregon, U.S.A. based on specimens examined.
Fig. 7 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Fig. 7. Tergite VIII of female Nearctic Brychius spp. (Coleoptera: Haliplidae): a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 6 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Fig. 6. Prosternal and metasternal processes of adult Nearctic Brychius spp. (Coleoptera: Haliplidae): a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 9 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Fig. 9. Left paramere of Nearctic Brychius spp. (Coleoptera: Haliplidae): a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 1 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Fig. 1. Mandibles of adult female Nearctic Brychius spp. (Coleoptera: Haliplidae), ventral view: B. hornii Crotch: a) right, d) left; B. hungerfordi Spangler: b) right, e) left; B. pacificus Carr: c) right, f) left.
FIGURE 3. Tigriagrion aurantinigrum, F0 in Morphological description of the final instar larvae of Argia reclusa Selys, 1865 and Tigriagrion aurantinigrum Calvert, 1909 from Southeastern Brazil (Odonata: Coenagrionidae)
FIGURE 3. Tigriagrion aurantinigrum, F0 exuvia: (a) dorsal view of habitus; (b) detail of cephalic lobe; (c) antenna; (d) labial palp; (e) prementum; (f) right mandible; (g) left mandible.
FIGURE 2. Argia reclusa, F0 in Morphological description of the final instar larvae of Argia reclusa Selys, 1865 and Tigriagrion aurantinigrum Calvert, 1909 from Southeastern Brazil (Odonata: Coenagrionidae)
FIGURE 2. Argia reclusa, F0 exuvia: (a) lateral view of male gonapophyses; (b) ventral view of female gonapophyses; (c) lateral lamella (folded dorsoventrally); (d) medial lamella.
Figure 2 in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 2. Gasterophilus pecorum, first instar larva, ultrastructural details of pseudocephalon and thoracic segments. A, pseudocephalon and thoracic segments, anterior view, with arrangement of denticles shown in the box. B, antennomaxillary sensory complex. C, maxillary palp and additional sensillum, with antenna complex in the box. D, pseudocephalon, dorsal view. E, pseudocephalon, mouthhooks and labrum, right lateral view. F, mouthhooks, right lateral view. G, labrum, dorsal view. H, labrum, right lateral view. I, concavity of labrum, right lateral view. J, apical part of labrum, right lateral view. K, inner surface of left mouthhook, right lateral view. L, external surface of right mouthhook, right lateral view. Scale bars: A = 25 µm, 10 µm in the box; B = 5 µm; C = 2 µm, 1.5 µm in the box; D–F = 20 µm; G–H = 10 µm; I = 1.5 µm; J–L = 2.5 µm. Abbreviations: and, antennal dome; ap, additional pit; asI–IV, additional sensillum coeloconicum I–IV; den, denticles; lb, labrum; mh, mouthhook; mp, maxillary palp; sbI–II, sensilla basiconica I–II; scI–III, sensilla coeloconica I–III.
FIGURE 2 in Ontogenetic instars of Melanozetes paramollicomus sp. nov., with remarks on morphological ontogeny of Sphaerozetinae (Acari: Oribatida: Ceratozetidae)
FIGURE 2. Melanozetes paramollicomus sp. nov., adult:A—lateral view (legs not shown); B—posterior view; C—subcapitulum, ventral view; D—right lip with adoral setae, ventral view; E—palp, left, antiaxial view; F—chelicera, right, antiaxial view; G—ovipositor. Scale bars 100 μm (A, B), 50 μm (C, D, F, G), 20 μm (E).
FIGURE 6 in Ontogenetic instars of Melanozetes paramollicomus sp. nov., with remarks on morphological ontogeny of Sphaerozetinae (Acari: Oribatida: Ceratozetidae)
FIGURE 6. Melanozetes paramollicomus sp. nov., larva: A—dorsal view; B—ventral view (legs not shown); C—lateral view (gnathosoma and legs not shown). Scale bar 50 μm.
FIGURE 25A–E in Survey of Trogolaphysa Mills (Collembola, Paronellidae) of the Brazilian Amazon including five new species and the description of the dorsal chaetotaxy of the first instar
FIGURE 25A–E. Trogolaphysa pseudomaculata sp. nov.: abdominal appendages; A, collophore (lateral view), arrows on lateral flap indicate chaetae present or absent; B, chaetotaxy of mac-like spines and elongated chaetae on manubrium (lateral view); C, distal manubrium (ventral view); D, manubrial plate (dorsal view); E, dens chaetotaxy (dorsal view), arrows show distribution of the inner spines and outer mac-like spines ciliate.
FIGURES 19A–D in Survey of Trogolaphysa Mills (Collembola, Paronellidae) of the Brazilian Amazon including five new species and the description of the dorsal chaetotaxy of the first instar
FIGURES 19A–D. Trogolaphysa nigrolineata sp. nov.: dorsal chaetotaxy of the first instar; A, head; B, Th II–III; C, Abd I–III; D, Abd IV–V.
FIGURE 9. Final instar 5 in Observations on the biology of Afro-tropical Hesperiidae (Lepidoptera) principally from Kenya. Part 1. Introduction and Coeliadinae
FIGURE 9. Final instar 5 caterpillar of Pyrrhiades anchises anchises form 3 on Caucanthus auriculatus, Kibwezi Forest; above, caterpillar, 22mm; below left, detail of head; below right detail of anal segments; 15 Mar 1991 (91/12).
ScienceDex guides
Understand access before you commit
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.