Ripidiinae, Gerstaecker, 1855

Batelka, Jan, 2009, Confirmation of the synonymy of Rhyzostylops with Blattivorus and the description of the male of Blattivorus inquirendus (Coleoptera: Ripiphoridae: Ripidiinae), Acta Entomologica Musei Nationalis Pragae 49 (1), pp. 247-251 : 250

Key to the European genera of Ripidiinae

1 Wings and elytra developed, body wedge-shaped, eyes holoptical, antennae partially flabellate (males). ................................................................................................................ 2

– Wings and elytra absent, body larviform, eyes small, placed antero-laterally on the head, antennae simple (females). .............................................................................................. 3

2 Antennae 11-segmented with eight distal antennomeres uniflabellate, postocular ommatidia present, pronotum trapezoid, flat, maxillary palpi reduced to bifurcate stylus. ................. ................................................................................................... Ripidius Thunberg, 1806

– Antennae 10-segmented with seven distal antennomeres uniflabellate, postocular ommatidia absent, pronotum anteriorly above the neck narrower and elevated, maxillary palpi reduced to knob-like tubercle. ................................................ Blattivorus Chobaut, 1891

3 Antennae 11-segmented, tarsomeres with full heteromerous pattern (tarsal formula 5-5- 4). ............................................................................................... Ripidius Thunberg, 1806

– Antennae 3-segmented, number of tarsomeres reduced in all legs (tarsal formula 1-1-1). .................................................................................................. Blattivorus Chobaut, 1891