Mystrothrips

Key to Mystrothrips species from China 1. Antennal segment III with 3 sense cones (Fig. 18)........................................................... 2 -. Antennal segment III with 2 sense cones (Fig. 15)........................................................... 3 2. Tergite VIII with 1 pair of wing-retaining setae (Fig. 12)............................................ gracilis sp. n -. Tergite VIII without wing-retaining setae (Fig. 21)................................................. longantennus 3. Head smooth medially, without strong reticulate sculpture (Fig. 23).......................................... levis -. Head with well-developed reticulate sculpture (Fig. 25)................................................. reteanum