First records of Tachydromia Meigen and Tachypeza Meigen (Diptera: Hybotidae) from Viet Nam, with descriptions of four new species Author Grootaert, Patrick Author Shamshev, Igor text Zootaxa 2009 2249 33 43 journal article 10.5281/zenodo.190763 f20c4112-5557-4d2b-92a1-225718821052 1175-5326 190763 Tachydromia sp. This single female is closely related to T. terricoloides Shamshev & Grootaert, 2005 , but because the male is unknown, we did not name it. The antennae are completely yellow and the basal segments are not darkened as in T. terricoloides . It has a black thorax instead of the yellowish-brown thorax in T. terricoloides . There is a pair of pale dorsocentrals near the middle of the mesonotum that are longer than the other dorsocentrals. The halter has a black knob rather than a yellow knob. The legs are completely yellow including all coxae, but tip of fore tarsomere 1 is ventrally brown, fore tarsomeres 2 and 3 are clear yellow, tip of tarsomere 4 and apical half of tarsomere 5 brown. Tips of mid and hind tarsomeres 4 and 5 brown. Material examined : 1 female , VIET NAM : Lam Dong, Bidoup Nuiba NP nr. Dalat, 1610–1640 m , Malaise Trap 13–18, 12– 19.10.2005 , Rain forest and Pinus , leg. C. Van Achterberg and R. de Vries [Naturalis].