2.5−4.2 mm long and stout (2.06−2.3 times as long as wide). Eccoptopterus can be distinguished by the robust pronotum almost as large or larger than abdomen; pronotalbase bearing a dense tuft of setae; pronotaldiscasperate; elytraexcavated with denticles around the margins and by the metatibiae conspicuously enlarged and flattened. In addition, the scutellum is flush with elytra and flat, and the procoxae are contiguous.
May be confused with
None. This genus is morphologically very distinctive and is not similar to other genera.
throughout the tropical regions of Africa and Asia to New Guinea, Australia, the Solomon Islands, and Samoa
The radial entrance gallery leads to several branches in various planes, not penetrating more than 3–4 cm. In small diameter stems, the branches may be longitudinal. Enlarged brood chambers are absent.