FIGURE 3 in Description of two new species of Polypedilum (Asheum) and immature stages of Polypedilum (A.) curticaudatum (Diptera: Chironomidae)

FIGURE 3. Polypedilum (Asheum) curticaudatum Rempel, adult male (A–H) and Polypedilum (Asheum) beckae (Sublette, 1964), adult male (I–K). A, tergite IX and dorsal aspect of left gonocoxite and gonostylus. B, hypopygium with tergite IX removed, left dorsal aspect, right ventral aspect. C–H. Variation of superior volsella in P. curticaudatum [C and D, both from same specimen, Corumbá population; E, Fazzari population; F, Joaçaba population; G, Andaraí population; H, modified from Rempel (1939)]. I–K. Variation of superior volsella in P. beckae [I, modified from Cranston et al. (1989); J, Santo Domingo population; K, modified from Sublette (1964)]