Phasia barbifrons species­group

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 47

3.3. The Phasia barbifrons species­group

The Phasia barbifrons species­group includes all the species previously placed in the subgenera Stackelbergella Draber­Mońko ( Draber­Mońko 1965) and Barbella Draber­Mońko ( Draber­Mońko 1965).

Diagnosis: Eyes separated by a distance equal to or larger than ocellus (male); frontoorbital plate haired laterally, strongly swollen; dorsal facets of eye larger than ventral ones; inner margins of eye divergent; gena and occiput hairs black. Length of oral opening always less than 2.5 times width. Thorax black, shining or thinly pruinose. Scutellum black, with two pairs of marginal setae. Basicosta brown to black. Abdomen black, subovate. Male surstylus longer than cercus, straight; epiphallus and distiphallus partly sclerotized; postgonite well developed, apex pointed.