LIBRARY

2oo COLLEGE ENTOMOLOGY
5. Last abdominal segment not entirely tubular, short, swollen, rounded
on sides; preceding abdominal segments transversely linear. Australian
. . PYGOTHRIPIDJE
Last abdominal segment tubular, narrowed apically; preceding segments
not transversely linear 6
6. Sense organs on antenna! segment III in the form of a conspicuous
crest-like ring or large cones at apex. Oriental ECACANTHOTHRIPIDJE
Sense organs on antennal segment III similar to those on other segments
., 7
7. Sensory cones on antennre usually long and pointed, each with accessory
cone or long, slender bristle; cone-bearing segments greatly swollen;
eyes conspicuously large, contiguous .. EUPATHITHRIPIDJE
Sensory cones of antennre not unusually developed; eyes small and rarely
contiguous. CosmopoUtan . . PHLCEOTHRIPlDlE
Family PHL