The dilarids, or pleasing lacewings, comprise a small family of tropical, moth-like lacewings which are rarely seen in North America. This family has broad, darkly-banded wings with considerable long pilosity on the wings, giving them a "hairy" appearance. Males have distinctive pectinate antennae. However, unlike most moths, the eyes are very large in proportion to the rest of the head. Females bear ovipositors which are recurved over the abdomen. Larvae are very elongate, and live under the bark of dead trees, where they are presumed to feed on beetle adults or larvae (Gurney, 1947). Tropical American species appear to be most abundant in the forest canopy as adults, and seem to emerge most frequently during the driest part of the year (Penny and Arias, 1981 [sic]). Only two species are known from the U. S., both in the genus Nallachius Navas, 1909a, and although one species is rather widely distributed over eastern North America, it is seldom collected. A key to New World species can be found in Adams (1970).