Abstract

Abstract The seasonal abundance of two species of Macrochelidae, Macrocheles glaber and M. merdarius, and two species of Parasitidae, Parasitus coleoptratorum and P. fimetorum, was determined using dung-baited pitfall traps. The abundance of both Macrocheles species was closely tied in with the abundance of their two principal dung beetle carriers, vix. Onthophagus granulatus and O. australis. Many Parasitus were also brought to the traps by those dung beetles but many more were attracted to the traps independently of the beetles. M. glaber had two main periods of abundance, viz. spring/early summer and midsummer/early autumn. M. merdarius was active from late summer to autumn. P. coleoptratorum activity was concentrated in late spring/early summer and P. fimetorum was active throughout the year but most abundant from spring to early autumn.

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