It belongs to the order hemiptera, and is furnished with four plain wings, which, when walking, it conceals beneath its outward covering.

The Ant-lions were referred to under the head of Aphids, in the consideration of the order Hemiptera, as most voracious destroyers of Plant-lice.

In fact, insect vectors of Chagas disease parasites are "true bugs," of the order Hemiptera, family Reduviidae, subfamily Triatominae.