June, 1914.] Diptera of Middle America. 335 



Legs brown, coxse and parts of the femora darker, bases of the 

 tibiae somewhat paler. Abdomen generally black, second seg- 

 ment narrow and elongate, on basal half with two transparent 

 spots separated by a black interval, apex of the same segment 

 with a narrow pale band, apex of the third segment with a narrow 

 band of golden yellow pile, apex of the fourth segment and all 

 of the fifth brownish. A male type taken at Los Amates, Guate- 

 mala, in February, lOOo. 



This species is related to Willistons' bellula but differs from it 

 in having enlirely hx'alinc wings, and the coloration of the legs 

 and abdomen is quite different. Also the elongation of the 

 stump of a vein from the third k^ngitudinal almost dividing the 

 first posterior cell appears to be an important characteristic of 

 claripennis. 



B.vccHV Fabricius. 



Baccha callida n. sp. Length about 10 mm. Front with a 

 slight prominence for the insertion of the anenucX, front, face and 

 antennae yellow, a small geminate black spot on the middle of the 

 front near the antenna;. Thorax largely yellow with four black 

 stripes separated by yellow on the dorsum, and an irregular greenish 

 brown marking passes beneath the scutellum to the bases of the 

 middle legs; wings narrowly at base and along the anterior border 

 pale yellowish, otherwise clear hyaline; legs all yellow with the 

 exception of the hind pair, each of which have a pale brown band 

 around the apical third of the femur and a wider band of the same 

 color on the basal half of the tibia. Abdomen black, brown and 

 yellow, first segment yellow with a l)lack marking beneath the 

 scutellum and a clear brown l)and on the posterior margin, second 

 segment brown on anterior half, this followed by an area of yel- 

 lowish somewhat intermixed with brown and this by a black band 

 occupying more than the apical fourth of the segment, third 

 segment with a middorsal stripe slightly abbreviated before, an 

 apical band and an oblique marking on each side connected with 

 a]3ical band black, fourth segment like the third, fifth segment 

 with three black stripes, all the segments behind the second are 

 yellowish where they are not black. 



The male tvpe collected at Puerto Barrios, Guatemala, March 

 5, 1905. 



This species is somewhat suggestive of lineata but is colored 

 quite differently. 



Baccha capitata Loew. A female example of this fine species 

 was taken at Holguin, Cuba, by H. S. Parish. The species has 

 been reported from Cuba and Porto Rico by previous writers. 

 Loew's type is a male. From reading the original description and 

 comparing my specimen with it I find the two sexes are very 

 similar in coloration. 



