1920] Alexander: Crane Flies From Formosa 253 



Thoracic dorsum entirely shiny black. Pleura dark brown. Halteres 

 brownish black. Legs with the coxae black; trochanters obscure yellow; 

 femora black, obscure yellow basally, this marking most extensive on 

 the fore legs, almost obliterated on the posterior femora; tibiae entirely 

 black; tarsi of the fore legs black, the metatarsi slightly paler basally; 

 posterior tarsi dull yellow, only the last segment blackened. Wings 

 with a strong, dark brown tinge; a faintly darker cloud on r-tn; veins 

 brownish black. Venation: 2nd Anal vein not angulated or spurred. 



Abdomen black. 



Habitat: Formosa. Holotype, cf , Funkiko, April 27, 1917 

 (T. Shiraki) No. 1351. 



The only species with which this large, vigorous Styring- 

 omyia may be confused is 5. solocipennis (Enderlein) of Mada- 

 gascar, a much smaller fly with the legs entirely dark brown. 



Styringomyia flava Brunetti. 



1911. Styringomyia flava Brunetti, Rec. Indian Mus., vol. 6, p. 301. 



Three d" 9 's, Funkiko, Formosa, April 21-27, 1917 (T. 

 Shiraki) No. 1329. 



Paratropeza Schiner. 

 Paratropeza (Gymnastes) hyalipennis sp. n. 



Generally similar to P. ornatipennis (de Meijere) ; wings hyaline, 

 without dark crossbands. 



Male — Length 4.8 mm. ; wing, 5.6 mm. 



Rostrum and palpi brownish black. Antennae brownish black, the 

 scapal segments a little brighter. Head broad, shiny blue-black. 



Mesonotum deep black, the praescutum and scutum with bluish 

 reflections, the postnotum with faint purplish reflections. Pleura 

 black, the mesopleura faintly grey pruinose; dorso-pleural membrane 

 dull yellow. Halteres black, the apices of the knobs pale yellow. Legs 

 with the coxae brownish black; trochanters yellowish brown; only the 

 posterior pair of legs remain; femora obscure brownish yellow, the 

 swollen tips broadly dark brown, immediately before the brown tips a 

 narrow yellowish ring; tibiae yellow, the tips broadly blackened; meta- 

 tarsi with the basal half yellow, the distal half and the remaining tarsal 

 segments black. Wings hyaline, only the small, rounded stigma brown; 

 veins dark brown. Venation almost as in P. ornatipennis; r on R^ near 

 the middle of its length; basal deflection of Cui at or immediately before 

 the fork of M. 



Abdomen blue-black. 



Habitat: Formosa. Holotype, d^, Funkiko, April 25, 1917 

 (T. Shiraki) No. 1354. 



