A review of Tachardiobius (Hymenoptera: Encyrtidae), with description of a new species from California, USA, a parasitoid of Tachardiella spp. (Hemiptera: Kerriidae) Author Triapitsyn, Serguei V. text Zootaxa 2008 1716 44 52 journal article 10.5281/zenodo.274145 0fd51d2a-3961-4082-afd1-9eda6d431103 1175-5326 274145 Key to species of Tachardiobius 1 Female (clava 3-segmented)......................................................................................................................2 - Male (clava entire or 2–segmented, sometimes the subdivision is indistinct or incomplete; not known for T. silvestrii De Santis )................................................................................................................................4 2(1) Meso- and metatibiae mostly whitish, with two submedial dark bands (best observed in lateral view, Fig. 3 ) ........................................................................................................................... T. nigricans Timberlake - Meso- and metatibiae brown to dark brown, at most light brown basally and apically............................3 3(2) F3–F5 longer than wide ( Fig. 9 ) ............................................................................... T. silvestrii De Santis - F3–F5 wider than long ( Fig. 12 ) ..................................................................................... T. vladimiri sp. n. 4(1) Funicle segments longer than wide ( Fig. 6 ); meso- and metatibiae mostly whitish, with two submedial dark bands (best observed in lateral view, as in Fig. 3 ) ........................................ T. nigricans Timberlake - Funicle segments wider than long ( Fig. 16 ); meso- and metatibiae brown to dark brown, at most light brown basally and apically ............................................................................................. T. vladimiri sp. n.