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431 results for “first instar”
Fig. 4 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. 4. Dorsal view of elytra of adult Nearctic Brychius spp. (Coleoptera: Haliplidae): a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 12 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. 12. Prothoracic leg of adult male Nearctic Brychius spp. (Coleoptera: Haliplidae), right, dorsal: a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Figs. 12–13 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Figs. 12–13. Diamphidia nigroornata Stål on Commiphora host, Mkuzi Game Reserve, South Africa, January (photographs, E. Grobbelaar). 12) late instar larva covered with
Fig. 17 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. 17. Ventral view of thorax showing tergal extensions, third instar larva (Coleoptera: Haliplidae): a) Brychius hornii Crotch; b) Brychius hungerfordi Spangler.
Fig. 14 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. 14. Metathoracic leg of adult male Nearctic Brychius spp. (Coleoptera: Haliplidae), right, dorsal: a) B. hornii Crotch, b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 5 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. 5. Hindwing of adult Nearctic Brychius spp. (Coleoptera: Haliplidae): a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Figs. 1–4 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Figs. 1–4. Distribution of primary setae and pores on the maxilla of selected groups of Dytiscidae. 1–2) maxilla of Laccophilus hyalinus (Laccophilinae), dorsal and ventral aspects respectively, showing the distribution of primary setae and pores outside the Hydroporinae; 3–4) maxilla of a generalized Hydroporinae larva, dorsal and ventral aspects respectively, showing the ground plan pattern of primary setae and pores proposed in this study (compared with Alarie 1991). Numbers and lower case letters refer to primary setae and pores respectively.
Fig. 2 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. 2. Maxilla of adult Nearctic Brychius spp. (Coleoptera: Haliplidae); left side, ventral view: a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 8 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. 8. Gonocoxa of Nearctic Brychius spp. (Coleoptera: Haliplidae); a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Fig. 10 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. 10. Right paramere of Nearctic Brychius spp. (Coleoptera: Haliplidae); a) B. hornii Crotch; b) B. hungerfordi Spangler; c) B. pacificus Carr.
Figs. 14–19 in Figs. 16–17. 16 in A Description of the First Instar of Hoperius planatus Fall, 1927 (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini), with Phylogenetic Implications
Figs. 14–19. Polyclada species, the Omusati and Ohangwena regions, northern Namibia, January–February. 14) host plant, Sclerocarya birrea (Anarcardiaceae), marula
FIGURES 125–128. Pseudocreobotra ocellata, live aspects. 125. First instar nymph. 126 in A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea)
FIGURES 125–128. Pseudocreobotra ocellata, live aspects. 125. First instar nymph. 126. Medium-sized male nymph, yellow phase. 127. Subadult female, purple phase. 128. Adult female.
FIGURES 181–184. Mantidae, live aspect. 181–182. Mantis religiosa eichleri. 183–184. Sphodromantis l. lineola. 181. Subadult male. 182. Adult female feeding. 183. First instar nymph. 184 in A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea)
FIGURES 181–184. Mantidae, live aspect. 181–182. Mantis religiosa eichleri. 183–184. Sphodromantis l. lineola. 181. Subadult male. 182. Adult female feeding. 183. First instar nymph. 184. Medium-sized nymph.
FIGURE 2. Paracymus aeneus, first instar larva. A in Morphology of the egg-case and larva of Paracymus aeneus (Germar) (Coleoptera: Hydrophilidae)
FIGURE 2. Paracymus aeneus, first instar larva. A, Head capsule, dorsal view; B, head capsule, ventral view; C, anterior margin of head capsule, dorsal view.
Figure 4. Gyrostigma rhinocerontis, first instar larva. A in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 4. Gyrostigma rhinocerontis, first instar larva. A, habitus, ventral view. B, pseudocephalon and thoracic segments, ventral view. C, magnification of pseudocephalon and thoracic segments in ventral view, with depth coding. D, anal division, ventral view. E, pseudocephalon and thoracic segments, right lateral view. Scale bars: A, D = 100 µm; B–C, E = 50 µm. Abbreviations: aI–aVII, abdominal segments I–VII; adI–adIII, subdivisions I, II and III of anal division; is, intermediate sclerite; lb, labrum; mh, mouthhook; pb, parastomal bar; pc, pseudocephalon; tI–tIII, thoracic segments I–III.
Figure 3 in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 3. Gasterophilus pecorum, first instar larva, ultrastructural details on thoracic (A–F) and abdominal (G) segments and anal division (H–M). A, anterior end, dorsal view. B, trichoid sensillum I and II, and a pit. C, a trichoid sensillum I and a pit. D, Keilin's organ. E, a trichoid sensillum I and Keilin's organ. F, body spines on third thoracic segment. G, body spines on first abdominal segment. H, arrangement of coeloconic and trichoid sensilla on dorsal (top) and ventral (bottom) surface of anal subdivision II. I, a coeloconic sensillum IV on anal subdivision II. J, a trichoid sensillum I and a coeloconic sensillum IV on anal sudivision II. K, posterior spiracles, posterior view. L, left posterior spiracle. M, serrated margins of a posterior spiracular slit, with the the pores shown in the box. Scale bars: A = 20 µm; B, D, J = 2.5 µm; C, M = 2 µm, 0.5 µm in the box; E, L = 5 µm; F–G = 25 µm; H = 15 µm; I–J = 1.5 µm; K = 30 µm. Abbreviations: adII, subdivision II of anal division; Ko, Keilin's organ; scIV, sensillum coeloconica IV; p, pit; TrI–II, trichoid sensillum I–II.
Figure 1. Gasterophilus pecorum, first instar larva. A in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 1. Gasterophilus pecorum, first instar larva. A, habitus, ventral view. B, pseudocephalon and thoracic segments, dorsal view. C, E, pseudocephalon and thoracic segments, ventral view, with cephaloskeleton emphasized in E. D, F, pseudocephalon and thoracic segments, right lateral view, with depth coding; mouthhooks and labrum exposed in F. G, anal division, dorsal view. Scale bars: A = 100 µm; B–G = 50 µm. Abbreviations: aI–aVII, abdominal segments I–VII; adI– adIII, subdivisions I, II and III of anal division; dc, dorsal cornua; is, intermediate sclerite; lb, labrum; mh, mouthhook; pb, parastomal bar; pc, pseudocephalon; tI–tIII, thoracic segments I–III.
Figure 5 in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 5. Gyrostigma rhinocerontis, first instar larva, ultrastructural details. A, habitus, ventral view. B, anterior end, ventral view. C, pseudocephalon, ventral view. D, pseudocephalon, anterior view. E, antennomaxillary sensory complex. F, mouthhooks, labrum and arrangement of the denticles. G, three thoracic segments, ventral view, showing arrangement of Keilin's organs and trichoid sensilla I. H, abdominal segments, ventral view. Scale bars: A = 0.3 mm; B = 68 µm; C, G–H = 20 µm; D = 19 µm; E–F = 10 µm. Abbreviations: aI–aVII, abdominal segments I–VII; adI–adIII, subdivisions I, II and III of anal division; and, antennal dome; ap, additional pit; asI–III, additional sensillum coeloconicum I–III; den, denticles; Ko, Keilin's organ; mp, maxillary palp; pc, pseudocephalon; sbI–II, sensilla basiconica I–II; scI–IV, sensilla coeloconica I–IV; tI–tIII, thoracic segments I–III; TrI, trichoid sensillum I.
Figure 7 in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 7. Ancestral state reconstruction of the shape of first instar mouthhooks in Oestridae based on parsimony. Cladogram used for reconstruction follows Pape (2001, 2006).
Figure 6 in Three-dimensional characterization of first instar horse and rhinoceros stomach bot fly larvae (Oestridae: Gasterophilinae: Gasterophilus, Gyrostigma): novel morphology and evolutionary implications
Figure 6. Gyrostigma rhinocerontis, first instar larva, ultrastructural details of thoracic segments (A–C) and anal division (D–H). A, a trichoid sensillum I. B, a pair of Keilin's organs. C, a trichoid sensillum I and a Keilin's organ. D, posterior spiracles, dorsolateral view. E, coeloconic sensilla IV and a trichoid sensillum I on ventral side of anal subdivision II. F, posterior spiracles, ventral view. G, posterior spiracles, dorsal view. H, a coeloconic sensillum IV and a trichoid sensillum I. I, a coeloconic sensillum IV. Scale bars: A = 2 µm; B–C = 10 µm; D, G = 75 µm; E–F = 10 µm; H = 2.5 µm; I = 1 µm. Abbreviations: adI–adII, subdivisions I and II of anal division; Ko, Keilin's organ; scIV, sensilla coeloconica IV; TrI, trichoid sensillum I.
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