The Thripidae are the most speciose family of thrips, with over 290 genera representing just over two thousand species. They can be distinguished from other thrips by a saw-like ovipositor curving downwards, narrow wings with two veins, and antennae of six to ten antennomeres with stiletto-like forked sense cones on antennal segments III and IV. T... Found on http://en.wikipedia.org/wiki/Thripidae
(from the article `thrips`) ...ovipositor downturned; forewings narrow, surface with microtrichia; antennal sensors on intermediate segments as flat discs or protruding peglike ... Found on http://www.britannica.com/eb/a-z/t/45