Tropis

Small to medium-sized, slender beetles with male antennae often extending beyond apex of elytra. Frontoclypeus transverse. Eyes large, finely facetted, distinctly emarginate. Antennal insertions separated. Antennal foramen prominent. Antennal scape as long as pronotum, posteriorly extends beyond posterior margin of pronotum; pedicel slightly elongate; antennomere 3 shorter than scape, usually bearing tufts of black setae; antennomeres 4–7 without apical spines. Pronotum variable, lateral margins with angulate lateral projections or median pointed tubercle at middle; pronotal disc nodulose or tuberculate. Prosternal process narrow, slightly expanding apically. Procoxal cavities transverse with deep lateral extensions, protrochantin exposed; broadly open externally. Procoxae slightly projecting below prosternal process. Mesocoxal cavities widely separated medially, open to mesepimeron; mesotrochantin visible. Mesoventral intercoxal process broad, notched apically. Elytra complete, with 4 weak costae; elytral punctures indistinct, not in rows. Femora broadest near middle, hind femur not exceeding abdominal apex.

Tropis is an Australian endemic and is widely distributed along the eastern and southern coastal areas of the continent from Rockhampton in Queensland to Victoria and South Australia, and reaching the Stirling Range National Park in Western Australia.

Several species with intense red colour on their elytra appear to be lycid mimics; they are found during the summer months on flowers of Angophora and Leptospermum. The largest and the least aposematic species, T. lepturoides, is attracted to freshly fallen logs of Eucalyptus globulus.