Siphonaptera (Matsuda, 1965)

R. G. Beutel & S. N. Gorb, 2001, Ultrastructure of attachment specializations of hexapods (Arthropoda): evolutionary patterns inferred from a revised ordinal phylogeny, J. Zool. Syst. Evol. Research 39, pp. 177-207 : 182

35 Siphonaptera

Smooth pulvilli are present in siphonapterans ( Fig. 7G,H ).

Figures

Fig. 7. Details of hexapod tarsi and pretarsi. (A) Bibio nigriventris (Diptera), hindleg, pretarsus, ventral aspect. (B) Rhamphomya nigripes (Diptera), hindleg, ventral aspect. (C, F) Episyrphus balteatus (Diptera), midleg, pretarsus, ventral aspect. (D, E) Forficula auricularia (Dermaptera), hindleg, tarsus, ventral aspect. (G, H) Ceratophyllus sp. (Siphonaptera), midleg, pretarsus, ventral (G) and lateral (H) aspects. EM, empodium; HS, hairy soles; PT, hair plate; PU, pulvilli; SH, hair shaft; TAR, tarsal segments; TH, specialized tarsal adhesive thorns; UN, claw; UT, unguitractor plate