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443 results for “Stage 4”
Fig. 4 in A new genus and species of barnacle (Cirripedia, Verrucomorpha) associated with vents of the Lau Back-Arc Basin: its gross morphology, inferred first juvenile stage and affinities
Fig. 4. — Schematic plan views and transverse sections of grades of skeletal organization from the most primitive sessile barnacles (A, Brachylepadomorpha) through the asymmetrical sessile barnacles (B-H, Verrucomorpha). Of the eight verrucid genera currently recognized (Young 1998) only the four most representative ones (Altiverruca, Newmaniverruca, Metaverruca and Verruca s.s.) are depicted here. Right sides are to the viewers right and rostral ends are downward in plan views or coming out of the page in transverse sections. The transverse sections are slightly rostral of the rostro-carinal gap or suture. While there are numerous whorls of imbricating plates standing in tiers four plates high in brachylepadomorphs, and on the movable side of neoverrucids, only those of the R-C gap are labeled. Abbreviations: C, R, carina and rostrum; cl1-4, l1-4, rl1-4, carinolateral, lateral and rostrolateral tiers of imbricating plates respectively; cl, rl, the pair of imbricating plates in proverrucids; FS, FT, fixed scutum and tergum; hl, hinge line; L, median latus (completely lost in proverrucids and verrucids); m, myophore; MS, MT, movable scutum and tergum; sam, scutal adductor muscle; S, T, normal terga and scuta in brachylepadomorphs; dashed horizontal lines: membranous basis (transverse sections F-H after Young 1998).
Figure 4 in The juvenile stages of Parastacus brasiliensis (von Martens, 1869) (Crustacea, Decapoda, Parastacidae)
Figure 4. Parastacus brasiliensis von Martens. (A) Teazel seta from the coxopodite of maxilla 1 of the second juvenile; (B) serrate seta type 2 from the dactylopodite of maxilliped 3 from the third juvenile; (C) serrate seta type 3 from the coxopodite of maxilla 2 from the second juvenile; (D) multidenticulate seta from maxilla 1 of the third juvenile; (E) hooked spine at the apex of the dactylopodite of pereiopod 4 of the second juvenile; (F) setal precursors (sp) on the propodite of pereiopod 4 of the second juvenile. an, annulation.
Figure 4 in Biology and immature stages of Panteles schnetzeanus (Hymenoptera: Ichneumonidae), a parasitoid of Lampronia fuscatella (Lepidoptera: Incurvariidae)
Figure 4. (A) Female Panteles prepupa showing very well-developed pupa with pigmented eyes still inside final larval instar skin; (B) final larval instar head capsule (unstained); (C) eggs of Panteles incorporated in Panteles silk cocoon.
Figure 4 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 4. Armases roberti. (a–f) Antenna: (a) zoea I; (b) zoea II; (c) zoea III; (d) zoea IV; (e) megalopa; (f) first crab. (g) Mandibular palp, megalopa. Scale bars: 0.05 mm.
Figure 4. Pandalus gracilis Stimpson, stage 3 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 4. Pandalus gracilis Stimpson, stage 3. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ae); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K–O) left pereiopods 1–5 (ac); (P–T) pleopods 1–5 (ae); (U) telson (ac). Scale bars: 2 mm.
Figure 5. Pandalus gracilis Stimpson, stage 4 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 5. Pandalus gracilis Stimpson, stage 4. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ac); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K–O) left pereiopods 1–5 (ac); (P–T) pleopods 1–5 (ae); (U) telson (ac). Scale bars: 2 mm.
Fig. 4 in Biology and morphology of immature stages of Coniocleonus nigrosuturatus (Coleoptera: Curculionidae: Lixinae)
Fig. 4. Immature stages and feeding marks of Coniocleonus nigrosuturatus (Goeze, 1777). A – mature larva; B – earthen cell with mature larva; C – pupa (removed from the earthen cell); D – opening of larval tunnel in the soil; E – opening of the larval tunnel and feeding marks; F – detail of larval feeding marks.
Fig. 4 in Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)
Fig. 4. First instar larva of Berosus (Berosus) japonicus Sharp, 1873, head appendages. A–B – antenna, dorsal (A) and ventral (B); C–D – left and right mandible, dorsal; E–F – maxilla, dorsal (E) and ventral (F); G–H – labium, dorsal (G) and ventral (H).
Fig. 4 in Immature stages of Taenioderini (Coleoptera: Scarabaeidae: Cetoniinae): a report of hidden morphological diversity
Fig. 4. Third instar larvae of Taenioderini. A–H – epipharynx. A – Chalcothea neglecta. B – Coilodera diardi. C – C. penicillata. D – Euselates cineraceus. E – E. laoticus. F – Meroloba suturalis. G – Plectrone tristis. H – Taeniodera sp. Scale bars = 1 mm.
Fig. 4 in Description of immature stages of Laccobius kunashiricus, with a key to genera of the Laccobiini based on larval characters (Coleoptera: Hydrophilidae)
Fig. 4. First instar larva of Laccobius kunashiricus Shatrovskiy, 1984, anterior margin of head capsule, dorsal (A) and ventral (B) view (both views drawn from a slide with the head capsule mounted with dorsal side up).
Fig. 4 in A new tribe in the Chironominae (Diptera: Chironomidae) validated by first immature stages of Xiaomyia Saether & Wang and a phylogenetic review
Fig. 4. Larval colour photographs, Xiaomyia Saether & Wang (A, B, D, F, G) and Shangomyia Saether & Wang (C, E). A, head capsule, ventral view; B, C, maxilla and premento-hypopharyngeal complex, arrows showing ribbed lobes; D, E, posterior occipital region; F, dorsal sclerite of head; G, larval abdomen, showing pupal abdominal spinulation beneath larval skin. Scale bars = 200 μm (A, G); 100 µm (F); 50 µm (B, C, D, E).
Fig. 4. Homothyrea inornatipennis Gahan, 1903, immature stages. A in Homothyrea inornatipennis (Coleoptera: Scarabaeidae: Cetoniinae: Leucocelina): immature stages and distribution
Fig. 4. Homothyrea inornatipennis Gahan, 1903, immature stages. A – first-instar larva, cranium; B – second-instar larva, raster; C – first-instar larva, raster; D – first-instar larva, thoracic spiracle; E – second-instar larva, cranium; F – second-instar larva, epipharynx; G – second-instar larva; spiraculum; H – pupa, ventral view (total length 13 mm); I – pupa, dorsal view; J – pupa, lateral view; K – second-instar larva, maxillo-labial complex (left maxilla removed). Scale bars: A–C = 200 μm; D, G = 50 μm; E, F, K = 0.5 mm.
FIGURES 3, 4 in The Chilean Bees Xeromelissa nortina and X. sielfeldi: Their Nesting Biologies and Immature Stages, Including Biological Notes on X. rozeni (Colletidae: Xeromelissinae)
FIGURES 3, 4. SEM micrographs of the cell lining of Xeromelissa nortina. 3. Circular closure end (a) with piece of lining wall, right (b), and second layer of folded closure (c) behind, all showing smooth, nonporous texture of surfaces. 4. Close-up of lining identified in figure 3 showing overlapping surfaces through which air exchange (arrows) may take place.
Figs. 3, 4 in Immature Stages of the Cleptoparasitic Bee Dioxys cincta (Apoidea: Megachilidae: Megachilinae: Dioxyini)
Figs. 3, 4. Early stages of Dioxys pomonae resting on the egg of Osmia nigrobarbata Cockerell. 3. Egg before hatching. 4. Pharate true first instar that developed from same egg. For further explanation see text.
FIGURE 4 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)
FIGURE 4. Worker of Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species. A. Forewing (arrow indicates termination of radius on leading edge of wing). B. Outer surface of metatibia and metatarsus. C. Inner surface of metatibia and metatarsus.
FIG. 4 in The megalopa stage of the hydrothermal vent crab genus Bythograea (Crustacea, Decapoda, Bythograeidae)
FIG. 4. — Megalopa stage of Bythograea, second and third maxillipeds: A, second maxilliped, outer view, left side; B, third maxilliped, inner view; C, third maxilliped and gill (detached), outer view. Scale bar: A, c. 1.5 mm; B, C, 2 mm.
Fig. 4. Cladogram, modified from a in Biology and Immature Stages of the Bee Nomioides patruelis (Halictidae: Halictinae: Nomioidini) and of Its Cleptoparasite, Chiasmognathus pashupati (Apidae: Nomadinae: Ammobatini), with a Preliminary Phylogeny of the Halictidae Based on
Fig. 4. Cladogram, modified from a cladistic analysis by Pesenko (2000: fig. 1), maps phylogenetic events in the evolution of the mature larvae of the Halictidae: (1) Ancestral features: mandibular apex simple; anterior tentorial pit immediately above or laterad to anterior mandibular articulation; labiomaxillary region projecting, well divided into pre- and postmentum; cardo and stipes evident; maxillary and labial palpi projecting papillae; salivary opening transverse, with projecting lips; hypopharyngeal groove probably indicated either by apices of articulating arms of stipites or by posterior margin of premental sclerite if present; paired dorsolateral body tubercles present or absent but, if absent, then most abdominal segments divided into cephalic and caudal annulets; larvae cocoon spinners. (2) Rophitine lineage similar to ancestral ground plan except paired conical dorsolateral body tubercles, if not present in ancestor, now present on most caudal annulets of abdominal segments. Within that lineage (a) cocoon spinning ceased in one place (Conanthalictus) and larval characters associated with cocoon spinning lost and (b) articulating arm of stipes lost presumably more than once (Dufourea, Sphecodosoma, and Conanthalictus). (3) Anterior tentorial pit shifted mesad, so that lateral segment of epistomal ridge lengthened; labiomaxillary region recessed, and pre- and postmentum partly fused; cardo and stipes fading but still weakly evident; labial palpus reduced but evident as small papilla; salivary opening without lips; hypopharyngeal groove complete, consisting of narrow furrow with embedded articulating arms, which are slender and curving toward one another; paired transverse dorsolateral body tubercles, if not present in ancestor, present on caudal annulet of most abdominal segments;
Fig. 4 in Diel variation in the ascent of fishes up an experimental fish ladder at Itaipu Reservoir: fish size, reproductive stage and taxonomic group influences
Fig. 4. Diel variation in the abundance of Characiformes and Siluriformes sampled at box A (10 m height; closed circles) and B (27 m height; open circles) in the ladder.
Figure 4 in First zoeal stages of grapsoid crabs (Crustacea: Brachyura) from the East African coast
Figure 4. Grapsus tenuicrustatus (Herbst). First zoeal stage: (f) maxillule; (g) maxilla; (h) first maxilliped; (i) second maxilliped. Scale bars as in Figure 2.
Figure 4 in Phylogeny and classification of Aedini (Diptera: Culicidae), based on morphological characters of all life stages
Figure 4. Strict consensus of eight MPCs (Fit = 596.4) obtained from the analysis of combined adult and immature stages data under implied weights. Bremer support and relative Bremer support values of each clade are indicated above and below the branches, respectively. The clade comprising Ve. indica and Ve. pseudomediofaciata has zero Bremer support and should have been shown as collapsed.
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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.