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573 results for “chaetotaxy”
Figure 1 in Chaetotaxy and setal diversity of grooming legs in species of porcelain crabs (Crustacea: Anomura: Porcellanidae)
Figure 1. (A-H) Photomicrograph (SEM) of grooming leg, Megalobrachium pacificum Gore & Abele, 1974, female (MZUSP 33040). (A) Left P5, ventral view. (B) Simple setae on distomesial surface of coxa. (C) Pappose setae on distolateral surface of basis-ischium. (D) Pappose setae on lateral surface of merus. (E) Straight serrate setae on distal surface of carpus, ventral view. (F) Detail of the straight serrate setae on distal surface of carpus. (G) Sickle-shaped serrate setae on distoventral surface of dactylus. (H) Tooth-like cuspidate setae and club-shaped setae on distal margin of dactylus (chelae). Cx = coxa; BI = basis-ischium; M = merus; C = carpus; P = propodus; D = dactylus; CS = club-shaped setae; Pp = pappose setae; S0 = simple setae; S1 = sickle-shaped serrate setae; SS = straight serrate setae; TC = tooth-like cuspidate setae; TP = terminal pore. Scale bars = (A) 0.3 mm; (B, C, E-H) 0.01 mm; (D) 0.1 mm.
Figure 8 in Chaetotaxy and setal diversity of grooming legs in species of porcelain crabs (Crustacea: Anomura: Porcellanidae)
Figure 8. (A) Megalobrachium roseum (Rathbun, 1900). Schematic representation of the thoracic sternum in ventral view. (B, C) Petrolisthes armatus (Gibbes, 1850), male, dorsal view (MZUSP 18688). (B) Grooming leg (arrow) folded in Z-form in resting position outside the branchial chamber. (C) Grooming leg (arrow) kept inside the branchial chamber. Abbreviations: CxP1-P5, coxae of pereiopods 1 to 5; CxMxp3, coxae of maxiliped 3; ThSt III-VIII, thoracic sternites III to VIII; 3/4-6/7, thoracic sternal sutures; MA, membranous area. Scale bar: (A) = 1 mm. (B, C) = 5 mm.
Figure 6 in Chaetotaxy and setal diversity of grooming legs in species of porcelain crabs (Crustacea: Anomura: Porcellanidae)
Figure 6. (A-D) Photomicrograph (SEM) of grooming leg, Pisidia brasiliensis Haig in Rodrigues da Costa, 1968, male (MZUSP 23355). (A) Right P5, ventral view (arrow indicates the male gonopore). (B) Dactylus and distal third of propodus, lateral view. (C) Distal margin of propodus and dactylus with tooth-like cuspidate, club-shaped and simple setae. (D) Tooth-like cuspidate and club-shaped setae on distal margin of propodus. Note in D the inner and outer parts of tooth and terminal pore. (E-H) Photomicrograph (SEM) of the grooming leg, Polyonyx gibbesi Haig, 1956, male (MZUSP 19524). (E) Left P5, ventral view. (F) Distal surface of propodus and dactylus, frontal view. (G) Detail of distal surface of propodus and dactylus, frontal view. (H) Tooth-like cuspidate setae and club-shaped setae on distal margin of propodus. Note in H the tooth-like cuspidate setae provided with minute, unevenly sized, slightly acuminate teeth. Cx = coxa; BI = basis-ischium; M = merus; C = carpus; P = propodus; D = dactylus; CS = club-shaped setae; Pp = pappose setae; S0 = simple setae; S1 = sickle-shaped serrate setae; SS = straight serrate setae; TC = tooth-like cuspidate setae; TP = terminal pore. Scale bars = (A, F) 0.1 mm; (B, C, G) 0.01 mm; (D, H) 0.005 mm; (E) 0.3 mm.
Figure 5 in Chaetotaxy and setal diversity of grooming legs in species of porcelain crabs (Crustacea: Anomura: Porcellanidae)
Figure 5. (A-F) Photomicrograph (SEM) of grooming leg, Petrolisthes tuberculatus (Guérin, 1835), male (MZUSP 25888). (A) Left P5, ventral view. (B) Distal surface of propodus and dactylus, lateral view. (C) Propodus and dactylus, lateral view. (D) Sickle-shaped serrate setae on distal surface of propodus. (E) Dactylus and distal third of propodus, lateral view. (F) Tooth-like cuspidate and club-shaped setae on distal margin of propodus. (G, H) Photomicrograph (SEM) of grooming leg, Pisidia longicornis (Linnaeus, 1767), male (MZUSP 18730). (G, H) Photomicrograph (SEM) of grooming leg, Pisidia longicornis (Linnaeus, 1767), male (MZUSP 18730). (G) Left P5, ventral view (arrow indicates the hinged articulation and the extensive area of arthrodial membrane between merus and carpus). (H) Tooth-like cuspidate setae on distal margin of dactylus. Note in B scattered club-shaped setae on the closing surface of dactylus, and in F tooth-like cuspidate setae furnished with a strong, single median spine. Cx = coxa; BI = basis-ischium; M = merus; C = carpus; P = propodus; D = dactylus; CS = club-shaped setae; Pp = pappose setae; S0 = simple setae; S1 = sickle-shaped serrate setae; SS = straight serrate setae; TC = tooth-like cuspidate setae. Scale bars = (A, G) 0.3 mm; (B, H) 0.005 mm; (C, E) 0.1 mm; (D, F) 0.01 mm.
Figure 2 in Chaetotaxy and setal diversity of grooming legs in species of porcelain crabs (Crustacea: Anomura: Porcellanidae)
Figure 2. (A-H) Photomicrograph (SEM) of grooming leg, Megalobrachium roseum (Rathbun, 1900), female (MZUSP 33143). (A) Left P5, ventral view. (B) Pappose setae on distolateral surface of basis-ischium. (C) Straight serrate setae on distal surface of carpus, ventral view. (D) Detail of the straight serrate setae on distal surface of carpus. (E) Distal surface of chela (propodus and dactylus), frontal view. (F) Dactylus and distal third of propodus, lateral view. (G) Distal margin of propodus and dactylus with tooth-like cuspidate and club-shaped setae. (H) Detail of tooth-like cuspidate setae on distal margin of propodus and dactylus. Note in F distinct gap between fixed and movable fingers when chela is closed. Cx = coxa; BI = basis-ischium; M = merus; C = carpus; P = propodus; D = dactylus; CS = club-shaped setae; Pp = pappose setae; S0 = simple setae; S1 = sickle-shaped serrate setae; SS = straight serrate setae;TC = tooth-like cuspidate setae. Scale bars = (A) 0.1 mm; (B-D, G) 0.01 mm; (E, F) 0.05 mm; (H) 0.005 mm.
FIG. 92 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIG. 92. Optimization of the slender hook setae: state 0, present; state 1, absent.
FIG. 91 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIG. 91. Optimization of broad/jagged setae: state 0, broad setae; state 1, jagged setae.
FIG. 51 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIG. 51. Optimization of the silk ejectors Type II: state 0, absent; state 1, present.
FIGURES 16–20 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 16–20. Derallus angustus, third instar larva. (16) clypeolabrum, dorsal view; (17) left antenna, dorsal view; (18) left mandible, dorsal view; (19) left maxilla, dorsal view; (20) right maxilla, ventral view. Scale bars: 0.05 mm.
FIGURES 32–33 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 32–33. Derallus paranensis, head capsule, third instar larva. (32) dorsal view; (33) ventral view. Scale bar: 0.1 mm.
FIGURES 7–11 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 7–11. Derallus angustus, first instar larva. (7) clypeolabrum, dorsal view; (8) left antenna, dorsal view; (9) left mandible, dorsal view; (10) left maxilla, dorsal view; (11) right maxilla, ventral view. Scale bars: 0.05 mm.
FIGURE 41 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURE 41. Derallus paranensis, first instar larva. Habitus and detail showing the leaf–like setae on each side of the eighth abdominal segment.
FIGURES 5–6 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 5–6. Derallus angustus, head capsule, first instar larva. (5) dorsal view; (6) ventral view. Scale bar: 0.1 mm.
FIGURES 1–4 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 1–4. Derallus paranensis, third instar larva. (1) habitus, dorsal view; (2) habitus, ventral view; (3) head capsule showing cuticular projections, dorsal view. Derallus angustus, first instar larva. (4) Head capsule showing duplicate FR1, dorsal view. Scale bar: 1 mm.
FIGURES 34–38 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 34–38. Derallus angustus, third instar larva. (34) clypeolabrum, dorsal view; (35) left antenna, dorsal view; (36) left mandible, dorsal view; (37) left maxilla, dorsal view; (38) right maxilla, ventral view. Scale bars: 0.05 mm.
FIGURES 25–29 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 25–29. Derallus paranensis, first instar larva. (25) clypeolabrum, dorsal view; (26) left antenna, dorsal view; (27) left mandible, dorsal view; (28) left maxilla, dorsal view; (29) right maxilla, ventral view. Scale bars: 0.05 mm.
FIGURES 12–13 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 12–13. Derallus angustus, first instar larva. (12) labium, dorsal view; (13) labium, ventral view. Scale bar: 0.05 mm.
FIGURES 30–31 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 30–31. Derallus paranensis, first instar larva. (30) labium, dorsal view; (31) labium, ventral view. Scale bar: 0.05 mm.
FIGURES 14–15 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 14–15. Derallus angustus, head capsule, third instar larva. (14) dorsal view; (15) ventral view. Scale bar: 0.1 mm.
FIGURES 23–24 in Chaetotaxy and morphometry of the head capsule and head appendages of the genus Derallus Sharp (Coleoptera: Hydrophilidae)
FIGURES 23–24. Derallus paranensis, head capsule, first instar larva. (23) dorsal view; (24) ventral view. Scale bar: 0.1 mm.
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