Terebrantian thrips of India

Hydatothrips initium Rachana, Amarendra & Gracy, 2022

Female macroptera: Body bicoloured; head and pterothorax brown; pronotum yellow with blotch shaded; abdominal segment I yellowish brown, II–III brown, VII–IX brown, X yellow with brown infusion; antecostal ridges on tergites II–VII complete and dark brown. Fore wing brown with a pale sub-basal area, basal ¾ of clavus brown; all femora, tibiae and tarsi brown. Antennae 8 segmented. Head with sculpture lines within ocellar triangle, with internal markings; occipital apodeme touching posterior margin of eyes; ocellar setae III placed inside ocellar triangle; three pairs of postocular setae along posterior inner margin of eyes, all subequal and subequal to ocellar setae III. Pronotum transversely reticulate with internal markings; blotch well defined, transversely reticulate with internal markings, concave at anterior margin, posterior margin merged with pronotal posterior margin; short posteroangular setae; 3 pairs of posteromarginal setae. Metanotum sculptured transversely anteromedially, longitudinally at each side, irregularly reticulate at middle, with internal markings; median setae a little behind anterior margin. Fore wing first vein with continuous row of setae, second vein without setae. Abdominal tergites I–VI medially without marginal microtrichia; VII–VIII with complete row of marginal microtrichia; tergites I–II with discal microtrichia laterally, III–V with discal microtrichia medially and laterally, VI–VIII fully covered with discal mirotrichia; IX with no discal microtrichia; X with discal microtrichia posteriorly; tergites III–VI with setae S3 positioned well ahead of posterior margin, with 2–3 setae lateral to S3; tergite IX with 2 pairs of mid-dorsal setae. Abdominal sternites III–VI completely covered with discal microtrichia, posterior margin with complete comb of microtrichia interrupted only at setal bases, posteromarginal setae at sternite VII arising in front of posterior margin.

Male macroptera: Similar to female, but smaller in size; sternites VI–VII with elongated transverse pore plate.

Unknown

Tamil Nadu (Rachana et al., 2022)

Rachana, R.R., Amarendra, B. and Gracy, R.G., 2022. The Sericothripinae genus Hydatothrips (Thysanoptera, Thripidae) in India with description of a new species. Zootaxa, 5169(2): 177–182.