FIGURE 1 in Cladotanytarsus Kieffer (Diptera: Chironomidae): several distinctive species reviewed on the basis of records from Canada and USA

FIGURE 1. Cladotanytarsus acornutus Jacobsen et Bilyj, 2007, male. A, B—hypopygium in dorsal (A) and ventral aspect (B); C—anal point (variation); D—superior volsella and digitus (variation); E—median volsella and its stem (variation); F— inferior volsella, typical structure (D—magnified ca. 2 times relative to A; E, F—magnified ca. 3 times relative to A).