Chauvinia Heinrich, 1938

Pos, Davide Dal, Claridge, Brandon, Diller, Erich, Noort, Simon Van & Giovanni, Filippo Di, 2023, Still counting: new records, nomenclatural notes, and three new species of Phaeogenini (Hymenoptera, Ichneumonidae, Ichneumoninae) from the Afrotropical region, European Journal of Taxonomy 868, pp. 1-71 : 36-38

Key to the species of Chauvinia Heinrich, 1938 (updated from Rousse et al. 2013)

1. Dorsal margin of pronotum predominantly yellowish-white (A, B); female antenna with annulus spanning 2 flagellomeres (B); tropical Africa.................................................................................... 2 – Dorsal margin of pronotum orangish-brown, concolorous with the rest of pronotum (a, b); female antennae with annulus on 6flagellomeres (a, b); Madagascar........................................................... 3

2. Female predominantly black to dark brown (A); 2 nd tergite of metasoma shorter, 2× as long as wide (B); male generally darker in colour (predominantly black to dark brown) with a more restricted yellowish-white to yellow longitudinal area on the mesopleuron ( Fig. 13B ); mesopleuron finely, sparsely punctate (C) ............................................................... C. nyanga Rousse & van Noort, 2013

– Female predominantly brownish-orange (a); 2 nd tergites of metasoma longer, 3× as long as wide (b); male generally lighter in colour (predominantly light to dark brown) with a more extensive yellowish-white area on the mesopleuron ( Fig. 13A ); mesopleuron impunctate except for a few scattered, nearly indistinct punctures (c) ................................................. C. ganota Claridge sp. nov.

3. Apex of propodeum elongated between hind coxae, reaching half their length (A); clypeus strongly transverse, less than 3 × as wide as long (B); metasoma of female strongly elongated, longer than hind leg, with ventral margins of 3 rd and following tergites overlapping (C)...................................... ............................................................................................................ C. pelecinoides Heinrich, 1938

– Apex of propodeum hardly elongated between hind coxae (a); clypeus extremely transverse, more than 3× as wide as long (b); metasoma of female shorter than or as long as hind leg, with ventral margins of 4 th and following tergites overlapping (c)................................... C. nitida Heinrich, 1938

Figures

Fig. 13. Habitus, lateral view, ♂. A. Chauvinia ganota Claridge sp. nov., paratype (EMUS). B. Chauvinia nyanga Rousse & van Noort, 2013 (EMUS).