Key to Indian species of Neohydatothrips

[*based on original description]

1. Body yellow, with light brown shade along antecostal line of tergites II–VI.................................... raniae

-. Body strikingly bicoloured.............................................................................. 2

2. Antennae 7-segmented (fore wing second vein with 2 distal setae; male abdominal sternites III–VI with large transversely oval pore area).................................................................................. plynopygus *

-. Antennae 8-segmented................................................................................. 3

3. Occipital apodeme touching posterior margin of eye (male abdominal sternites without pore areas)........ chandrai sp. n.

-. Occipital apodeme not touching posterior margin of eye....................................................... 4

4. Pronotal blotch weakly sclerotized (sternites I–VII with complete posteromarginal comb)..................... gracilipes

-. Pronotal blotch well sclerotized.......................................................................... 5

5. Tergites II–VIII with median posteromarginal microtrichia.......................................... plumeria sp. n.

-. Tergites II–VIII without median posteromarginal microtrichia.................................................. 6

6. Body bicoloured; head, pronotal blotch, most of pteronota, laterals of tergites I–III, anterior of tergite IV, and tergites VII–X brown; forewing second vein with or without seta................................................... samayunkur

-. Body pale yellowish, laterals of tergites II–III and tergite VIII with greyish shade; forewing second vein without seta (male abdominal sternites III–VI each with a small circular pore area)............................................. latis *