Two new species of the genus Plectiscus Gravenhorst, 1829 (Hymenoptera, Ichneumonidae: Orthocentrinae) from Kenya Author Varga, Oleksandr text Zootaxa 2024 2024-05-20 5453 2 291 297 http://dx.doi.org/10.11646/zootaxa.5453.2.10 journal article 10.11646/zootaxa.5453.2.10 1175-5326 11233680 32D40657-F027-4466-A653-C833529BB250 Key to females of the Afrotropical species of Plectiscus 1. Second metasomal tergite elongate, about 2.0× as long as wide, longitudinally striate to the apex ( Fig. 1H ). Antenna with 27 flagellomeres; first flagellomere 4.2× as long as wide. Mesosoma yellow ventrally ( Fig. 1A )............ P. oblongus sp. n. - Second metasomal tergite subquadrate, at most 1.2× as long as wide, longitudinally striate at most to the middle ( Fig. 2I ). Antenna with at most 22 flagellomeres; first flagellomere about 3.0× as long as wide. Mesosoma entirely brown ( Fig. 2A )... ................................................................................................... 2 2. Antenna with 16–17 flagellomeres. Second metasomal tergite sculptured to the middle............ P. pomariorum (Seyrig) - Antenna with 22 flagellomeres. Second metasomal tergite sculptured anteriorly ( Fig. 2I )............... P. taitaensis sp. n.