254 Annals Entomological Society of America [Vol. XIII, 



Paratropeza (Gymnastes) ornatipennis (de Meijere). 



1911. Gnophomyia ornatipennis de Meijere; Tijdschr. v. Ent., vol. 54, pp. 47, 48, 

 pi. 3, fig. 34. 



Three d' 9 , Funkiko, Formosa, April 21-29, 1917 (T. 

 Shiraki) No. 1338. 



Paratropeza (Gymnastes) shirakii sp. n. 



Black, the front and vertex white; halteres with the knobs white; 

 femora and tibiae black, each with two narrow white rings; metatarsi 

 white basally ; wings brown, the base and two narrow crossbands whitish 

 hyaline; r-ni connecting with Rs before its fork. 



Male — Length, 4.2-4.3 mm.; wing, 5 mm. 



Female — Length, 5 mm. ; wing, 5 mm. 



Rostrum and palpi brown. Antennae with the first segment whitish, 

 remainder of the antennae dark brownish black. Front and anterior 

 part of the vertex snowy white, the latter slightly protuberant; remainder 

 of the head black, sparsely gray pruinose. 



Thorax black. Halteres dark brown, the knobs and extreme ends 

 of the stem whitish. Legs with the coxae and trochanters black; femora 

 black, a narrow ring beyond mid-length and the narrow tip white; 

 tibiffi black, a narrow ring immediately beyond the base and a subequal 

 ring beyond midlength white; metatarsi with the basal half white; 

 remainder of the tarsi black; posterior femora clavate as in this group 

 of species. Wings dark brown, the base up to the arculus, a very narrow 

 crossband before the cord and a subequal similar band at the outer end 

 of cell 1st M2 whitish hyaline; the first of these bands does not include 

 cells C and Sc, but the outer band extends from margin to margin. 

 Venation: r not with the apparent fork, as in ornatipennis, inserted on 

 7^2+3 about its own length beyond the fork; r-ni connecting with Rs 

 before its fork; basal deflection of Cui at the base of the very narrow 

 ceh 1st M2. 



Abdomen blue-black; in the female, the valves of the ovipositor are 

 light horn-colored. 



Habitat: Formosa. Holotype, d", Funkiko, April 21, 1917 

 (T. Shiraki). Collectors No. 1354. Allotopotype, 9- Para- 

 topotype, cf- 



This exquisite little fly is dedicated to its collector, Dr. 

 T. Shiraki. It is most nearly related to P. bistriatipennis 

 (Brunetti) of South-western India, differing in the uniformly 

 black thorax and the very different leg-pattern. 



Atarba Osten Sacken. 



Atarba pallidicornis Edwards. 



1916. Atarba pallidicornis Edwards, Ann. Mag. Nat. Hist., ser. 8, vol. 18, pp. 

 249, 250. 



