Neohydatothrips lassatus (De Santis)

(Fig. 31)

Sericothrips lassatus De Santis, 1966: 8 .

Female macroptera. Colour: body dark brown including femora and tibiae, fore wing dark with white sub-basal area, antennal segment I brown, II yellow, III basal half pale but apical half brown, IV with basal third light brown, remainder brown.

Structure: Occipital apodeme distant from posterior margin of eyes, ocellar area apparently without sculpture; antennal segments III & IV with short apical neck; pronotum with two pairs of prominent setae on posterior margin, anterior area transversely striate, blotch well-defined (Fig. 31); mesonotum and anterior part of metanotum closely striate. Fore wing second vein with one (or two widely separated) setae distally; tergite VII with posteromarginal comb of microtrichia complete but short and irregular medially, on III–VI incomplete medially; tergite IX with 2 pairs of mid-dorsal setae.

Material Studied. ARGENTINA, Neuquén Province, Hua Hum, 5 females, 21.ii.1955 (Torres - De Santis) (MLP).

Comments. This species is known only from 5 females from Argentina, probably near the border with Chile, given on the original slide labeled “ holotype ”. It is similar to N. clavisetis and N. novateutoniae, but darker.