Mucronothrus

Leg setation in Mucronothrus View in CoL

Norton et al. (1996) presented the ontogeny of leg setation in M. nasalis . Notable traits include; the presence of four larval setae (including cʺ) on tibia I, with none added during development; the absence of cʺ from larval tibia II, with a final complement of four; the absence of several fundamental tarsal setae, including the primilateral pair (pl) from tarsus I, primiventral seta pvʺ from tarsus I and pair (pv) from tarsi II and III, and fastigial seta ftʹ from tarsus III. Of the antelateral setae, pair (a) form on tarsi I–II, only seta aʹ forms on tarsus III, and neither forms on IV. 7 Regarding accessory setae, the iteral pair (it) are absent; the adult lacks proximal setae on tarsus I, and usually IV, but one vʹ seta forms on tarsus III and one or two form on tarsus II.