Bregmatothrips, Hood, 1912

Varatharajan, R., 2017, A new species of the genus Bregmatothrips (Thysanoptera: Thripidae) from the Andaman Islands of India, Zootaxa 4317 (3), pp. 597-600 : 597

Key to Bregmatothrips species with forked sense cones (* From original description)

1. Fore ocellus in line with anterior margin of eyes; ocellar setae III arising just within the ocellar triangle, almost on the inner tangents between the fore and hind ocelli; post ocular setae in a row parallel to eye margin, post ocular setae III distinctly longer than others; legs yellow, fore tibia with a stout spine at apex .................................................................................................. ramani sp.n

-. Fore ocellus situated about middle of inner margin of compound eyes, ocellar setae III arising just outside ocellar triangle, at least on the outer tangent between fore and hind ocelli; post ocular setae in a straight line far away from eye margin, post ocular setae III not specially developed, almost equal to post ocular setae I; legs brown, except apex of fore tibiae and tarsi yellow; fore tibia without a spine at apex ...................................................................................................................................................................... 2

2. Pronotal anteromarginal setae II longer than the others; antennal segment VI yellow in basal half, slightly shaded grey in apical half or completely yellow .................................................................................................................................................. willcocksi *

-. Pronotal anteromarginals subequal; antennal segment VI brown ....................................................................................... furcatus *