Key to tribes of Ceratopogoninae (adults)

1. Wing veins M2 and M1 forking distal of crossvein r-m, or M2 reduced........................................... 2

- Wing veins M2 and M1 forking at or proximal of crossvein r-m, M2 well developed from base to the apex.............. 3

2. First tarsomere or hind leg without palisade setae; at least first flagellomere with sensilla coeloconica, katepisternum without setae........................................................................................ Culicoidini

- First tarsomere or hind leg with palisade setae; first flagellomere without sensilla coeloconica, if with, then katepisternum with setae................................................................................... Ceratopogonini

3. Female fifth tarsomere armed with ventral blunt spines, batonnets; abdomen without tergal apodemes..... Sphaeromiini s.l.

- Female fifth tarsomere without batonnets; abdomen with tergal apodemes............................... Palpomyiini