Microdon (genus) (An ant dependent hover fly)

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The fly genus Microdon (family Syrphidae) is a myrmecophilous fly world-wide in distribution. The adults are not known to feed while the larvae are found feeding on ant larvae and pupae of their ant host. Adult flies disperse from the nest to mate often in the vicinity of their host ant nests where they lay eggs. Adult Microdon have no special glands or hairs while their unusual larvae have a series of trichomes and associated glands along the margin of their body. The role of the glandular secretions and trichome hairs have not been clearly defined. There are about 250 species in the genus and each fly species has a preferred host ant genus and species.

From Ant Wiki

Microdon (genus) is listed in the following regions:

Canberra & Southern Tablelands