No. 2301. NEW SPECIES OF MU8C0ID FLIES— TOWNSEND. 549 



Tribe CALmSHOINI. 

 PUNAMYOCERA, new genus. 



Genotype. — Punamyocera oroyensis, new species. 



Differs from Paramyocera as follows: Form rather stout, only a 

 little narrowed. Lower profile of head very long, approximating head 

 height. Vibrissal axis fully five-sixths of head height or more. 

 Epistoma almost as long as clypeus, strongly warped. Palpi long 

 and slender. Parafacialia bare, as wide as long. Cheeks fidly four- 

 fifths eye length in female. Three sternopleurals, postintraalars, 

 postsuturals, preacrostichals, and postacrostichals ; two lateral scu- 

 tellars ; moderately long decussate apical scuteUar pair. No median 

 marginals on first segment; median marginal pair on second; median 

 discal pair on intermediate segments; marginal row on last two 

 segments; discal row on anal. 



PUNAMYOCERA OROYENSIS, new species. 



Length, 10 mm. One female, Oroya, Peru, 12,000 feet. May 7, 

 1914 (C. H. T. Townsend). 



Brownish, cinereous poUinose. Antennae rufous; arista and over 

 distal half of third joint blackish. Palpi fulvous. Frontalia brown. 

 Cheek grooves reddish-brown. Rest of head thinly silvery, appearing 

 dense in varying light, the occipital area cinereous. Thorax and 

 scutellum tawny-silvery; with three blackish vittae, a dull line each 

 side of middle one. Abdomen ashy pollinose, with heavy rather 

 indefinite dark brown median vitta, the hind corners of first three 

 segments shading darker. Femora and tibiae subrufous, tarsi black- 

 ish. Wings nearly clear. Tegidae tawny-whitish. 



Type— C'dt. No. 22232, U.S.N.M. 



STURMIODEXIA, new genus. 



Genotype. — Sturmiodexia ruhescens, new species. 



General Calirrhoine characters. Facial carina wide, high, sepa- 

 rating the antennae. Epistoma long, distinctly narrowed. Haustel- 

 lum about three-fifths head height. Palpi long and sub filiform. 

 Arista long-plumose to tip. Eyes bare. Ocellars strong. Para- 

 facialia as wide as clypeus, bare. Cheeks over half eye length. One 

 postintraalar; one to three, usually two, postacrostichals; two pre- 

 acrostichals; three sternopleurals, postsuturals, and lateral scutellars; 

 strong decussate apical scutellar pair. Third vein bristled only at 

 base; others bare. Apical cell widely open quite well before tip. 

 Hind crossvein nearer to cubitus. Male claws very long. No median 

 marginals on first two segments, marginal row on last two, discal 

 row on anal. 



