Adult, at top, has spindle-shaped body and two pairs of fringed, narrow wings. Two larvae below, smallest on left, are wingless with body similar to adult’s.

Figure 3A–C. Onion thrips adult (A), first-stage larva (B), and second-stage larva (C).

Adult, at top, has spindle-shaped body and two pairs of fringed, narrow wings. Two larvae below, smallest on left, are wingless with body similar to adult’s.

Illustrations by USDA.