Key to females of species of Acrobelione Bourdon, 1981b

( A. anisopoda Bourdon, 1981b is excluded because it is only known from an immature female)

1a. Coxal plate margins smooth............................................................................. 2

1b. Coxal plate margins acute....................................................... A. reverberii (Restivo, 1970) [type locality: Naples, Italy; type host: Necallianassa truncata (Giard & Bonnier, 1890)]

2a. Frontal margin of head convex, produced............................................. A. langi (Van Name, 1920) [type locality: Banana, Democratic Republic of the Congo (06° S, 12° 20' E); type host: Upogebia furcata (Aurivillius, 1898)]

2b. Frontal margin of head straight........................................................... A. halimedae n. sp. [type locality: Pulau Tekong, Singapore; type host: Austinogebia spinfrons (Haswell, 1881)]