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218 results for “preimaginal stages”
FIGURE 22 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 22. Ochthebius attritus, first instar larva: a, head capsule in dorsal view; b, same in lateral view; c, pro- and mesothorax in dorsal view; d, same in ventral view. CX: coxal cavities. Scale bar: 0.1 mm.
FIGURE 14 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 14. Gymnochthebius fossatus, first instar larva in dorsal and lateral view. Scale bar: 0.3 mm.
FIGURE 12 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 12. Hydraena perkinsi, pupa: a, dorsal view; b, ventral view; c, lateral view; d, detail of left anterior margin of prothorax showing two chalazae and an elongate spicule; e, left margin of abdominal segments I and II in dorsal view showing shape and location of spicules and spiracles. Scale bars: 0.3 mm for a–c, 0.1 mm for d‒e.
FIGURE 29 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 29. Abdominal segments of second instar larvae, in lateral view: a–b, segments I–III and VII–VIII of H. guadelupensis; c–d, segments I–II and VII–X of G. fossatus; e‒f, segments I–II and VII–X of O. attritus. Scale bar: 0.1 mm.
FIGURE 9 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 9. Hydraena perkinsi, third instar larva: a, head capsule in dorsal view; b, head capsule in lateral view; c, pro- and mesothorax in dorsal view. Scale bar: 0.1 mm.
FIGURE 7 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 7. Hydraena perkinsi, second instar larva: a, head capsule in dorsal view; b, head capsule in lateral view; c pro- and mesothorax in dorsal view; d, same in ventral view; e, abdominal segments I and II in dorsal view; left urogomphus in dorsal view. CX: coxal cavities. Scale bar: 0.1 mm.
FIGURE 11 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 11. Hydraena perkinsi, third instar larva: a, abdominal segments I and II in dorsal view; b, same in lateral view; c, abdominal segments I to III in ventral view; d, left urogomphus in dorsal view. Scale bars: 0.1 mm for a‒c, 0.05 mm for d.
FIGURE 15 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 15. Gymnochthebius fossatus: a, fresh hatching first instar larva in lateral view; b, abdominal segment X of first instar larva with dorsal egg-burster (arrow); c, abdominal segment X of second instar larva.
FIGURE 10 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 10. Hydraena perkinsi, third instar larva. Internal skeletal structures of head capsule: a, dorsal view; b, lateral view; c, posterior view. Scale bar: 0.05 mm.
FIGURE 24 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 24. Ochthebius attritus, first instar larva: a, abdominal segment I in dorsal view; b, abdominal segments I and II in ventral view; c same in lateral view; d, left urogomphus in dorsal view; e, abdominal segments VIII to X and pygopod in lateral view. Scale bars: 0.05 mm.
FIGURE 13 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 13. Hydraena perkinsi, pupa: a, pupal abdominal segment IX and X of female in ventral view showing sexual dimorphism: a, segment IX of female; b, segment X of female; c, segment IX of male; d, segment X of male; e, detail of female gonothecae (subapical tufts of setae of adult gonocoxite seen by transparency); f, detail of male gonotheca (adult male sternite X seen by transparency); g, functional spiracle of abdominal segment I: SP; h, pupal spicule of abdominal segment IX (pupal urogomphus) developing inside larval urogomphus of a third instar larva. Scale bars: 0.1 mm for a‒d, 0.03 mm for e‒g.
FIGURE 6 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 6. Hydraena perkinsi, first instar larva: a, abdominal segments I and II in dorsal view; b, same in ventral view; c, same in lateral view; d, abdominal segments VIII to X and pygopod in lateral view; e, left urogomphus in dorsal view; f, abdominal segments VIII to X and pygopod in dorsal view. Scale bar: 0.05 mm.
FIGURE 5 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 5. Hydraena perkinsi, mouth parts and antenna of first instar larva: a, labrum in dorsal view; b, labrum in ventral view; c, left mandible in dorsal view; d, right mandible in dorsal view; e, antenna; f, left maxilla in ventral view; g, left maxilla in dorsal view; h, labium in ventral view; i, hypopharynx. Scale bar: 0.05 mm.
FIGURE 4 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 4. Hydraena perkinsi, first instar larva: a, head capsule in dorsal view; b, head capsule in lateral view; c, pro- and mesonotum. Scale bar: 0.05 mm.
FIGURE 1 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 1. Example of one of the plastic boxes used during rearing experiences (a) and eggs of three Cuban Hydraena: b, H. perkinsi from La Redonda; c–d, same species from Sevilla river; e, H. franklyni from type locality; f, H. decui from Gran Piedra. Note that the embryo is clearly visible through the chorion in some eggs. Scale bars: 0.3 mm.
FIGURE 2 in The Hydraenidae of Cuba (Insecta: Coleoptera) II: Morphology of preimaginal stages of six species and notes on their biology
FIGURE 2. Head capsule in ventral view showing shape and position of paired posterior tentorial pits of: a, H. guadelupensis; b, H. perkinsi; c, O. attritus; d, G. fossatus. Scale bar: 0.1 mm.
Fig. 3. Onthophagus landolti, third instar. a in Life History ofOnthophagus landoltiHarold, 1880 (Coleoptera: Scarabaeidae), with Descriptions of the Preimaginal Stages
Fig. 3. Onthophagus landolti, third instar. a) Head, dorsal view, b) Epipharynx, ventral view, c) Right and left mandibles, ventral and dorsal views, d) Middle leg, e) Maxilla, dorsal view, f) Labium-hypopharynx, dorsal view, g) Male abdominal segments IX−X. Scale = 0.5 mm. See text for definition of structure codes.
FIGURE 1 in The morphology of the preimaginal stages of Choreutis muhabbet Koçak, 2008 (Choreutidae, Lepidoptera)
FIGURE 1. Larva of Choreutis muhabbet. A. Head capsule—Frontal view, B. Head capsule—Lateral view, C. Labium, D. Mandible, E. Dorsal view of eight to tenth abdominal segments F. Setal map of thorax (T1–3) and abdomen (A1–A9) segments. Scale bar: 0.2 mm.
FIGURE 2 in The morphology of the preimaginal stages of Choreutis muhabbet Koçak, 2008 (Choreutidae, Lepidoptera)
FIGURE 2. Scanning electron micrographs of larva of Choreutis muhabbet: A. Head—dorsal view, B. Head—ventral view, C. Last abdominal segments, D. Prothoracic leg, E. Abdominal leg, F. Crochets on an larval proleg.
FIGURE 4 in The morphology of the preimaginal stages of Choreutis muhabbet Koçak, 2008 (Choreutidae, Lepidoptera)
FIGURE 4. Morphology of pupa of Choreutis muhabbet. A. Ventral view, B. Frons dorsally, C. Labrum and vicinity, D. Pro, meso and metathorax in dorsal viev. Abbreviations: Ant—antennae, Cl—clypeus, F1—frontal setae, Lb—labium, Lp—labial palpi, Lbr—labrum, Pl— prothoracic legs, Pf—prothoracic femora, Pr—proboscis, Msl—mesothoracic legs, Mtl—metathoracic legs, Oc—oculi, Pn—pronotum, Md—mandibulae, Msn—mesonotum, Mtn—metanotum.
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