Key to Japanese genera of Aeolothripidae

1. Antennal segment III elongate and slender, at least 7 times as long as wide (Fig. 81); metascutum smooth, not sculptured medially (Fig. 82)............................................................................. Franklinothrips

-. Antennal segment III less than 5 times as long as wide; metascutum distinctly reticulate medially (Fig. 70).............. 2

2. Abdominal sternites III–VII lateral thirds without discal setae in addition to 4 pairs of posteromarginal setae (Fig. 29)................................................................................................... Aeolothrips

-. Abdominal sternites III–VII laterally with row of discal setae in addition to 4 or more pairs of posteromarginal setae (Fig. 78)......................................................................................... Desmidothrips