June-Sept., 1919-] ALEXANDER: XEOTROPICAL CRANE-FLIES. 135 



Dicranomyia apicata Alex. 



1914. Dicranomyia apicata Alex.; Trans. Am. Ent. Soc, Vol. 40, pp. 

 225, 226, Plate 3, Fig. 1. 



Two specimens from Gatun, Canal Zone, Panama, December 12- 

 14, 1912 (Zetek). The species has been recorded only from British 

 Guiana. 



Dicranomyia fumosa (Alex.). 



1912. fFurcomyia fumosa Alex.; Can. Ent., Vol. 44, p. 364, Plate 11, 

 Fig. t. 



One female from the Rio Chico, near the mouth of the Rio 

 Porcona, Department of Panama, Panama, August 4, l 9 l8 (Olsson). 

 Like the two preceding species this interesting fly had been known 

 hitherto only from British Guiana. 



Genus Peripheroptera Schiner. 



Peripheroptera subandina new species. 



Antenna black ; mesonotum yellow, the praescutum with three dark brown 

 stripes ; legs dark brownish-black ; wings pale grayish, the center of the disk 

 almost hyaline, a broad brown seam along the cord. 



Male. — Length, about 6.5 mm. ; wing, 9.4 mm. 



Fore leg, femur, 5.8 mm.; tibia, 6.4 mm.; middle leg, femur, 6.5 mm.; 

 tibia, 6.7 mm. 



Rostrum and palpi dark brown. Antennae black, the flagellar segments 

 oval. Head dark brown ; a golden line along the inner margin of the eye and 

 passing across the front ; a pale area on either side of the middle line of the 

 vertex. 



Pronotum dark brown, laterally yellowish-gray pruinose. Mesonotal prae- 

 scutum yellow pollinose with three dark brown stripes, the median stripe very 

 broad, becoming obsolete and bifid before the suture, the lateral stripes short 

 and narrow ; scutum with the median area broadly golden-yellow and with a 

 sharp median carina, remainder of the lobes dark brown ; scutellum reddish 

 with a golden yellow pollen ; postnotum dark brown with a yellowish V-shaped 

 area. Pleura brownish-yellow, more grayish underneath the wing-root, more 

 brownish on the mesosternum. Halteres dull yellow, knobs dark brown. 

 Legs with the coxse and trochanters dull brownish-yellow ; femora dark 

 brownish-black, paler on the basal third; tibiae and tarsi black. Wings with 

 a pale grayish suffusion ; the center of the disk, including the bases of cells 

 R 3 , R s , 1st M„ and the ends of cells R and M more nearly hyaline ; costal 

 region more brownish-yellow ; stigma dark brown ; a broad brown seam along 

 the cord and a less distinct seam along the outer end of cell 1st M... \ ena- 

 tion (Plate I, Fig. 2) : inner ends of cells R z , R- and 1st M 2 about on a line. 

 Abdomen dark brown, the segments very narrowly and indistinctly ringed 

 with paler. 



