'486 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



representing both sexes, reared from Trametis pecki in which a Cole- 

 opteron belonging to the genus Cis was also found. 



Locality, Las Cruces, New Mexico (Cockerell). I can not find any 

 other specimens in the material here, and such records of it havmg 

 occurred elsewhere than at Las Cruces as I can investigate do not 

 apply to fungicola. 



APHIOCHJETA FURTIVA Aldrich, 



Female. — Black, shining; frons about one-third longer than broad, 

 shining, and with numerous short hairs, lower post-antennal bristles 

 about three-fourths as large as upper pair and occupying about one- 

 seventh the width of frons, upper occupying two-fifths, center bristles 

 in first row not much further from eye margins than outer pair which 

 are much higher placed, second pair in center row about one-fourth of 

 the distance between ocellar triangle and upper post-antennals ; thorax 

 shining brown-black, the humeri paler ; abdomen rather broad and short, 

 segments subequal, no conspicuous bristles and but few hairs present ; 

 legs yellow, posterior femora and tibiae darker, mid tibiae with two 

 serial rows of setulse, one on the antero-and one on the postero-dorsal 

 surfaces, hind tibiae strong, the dorsal ridge prominent, setulae (8-9) 

 strong and widely placed; wmgs nearly clear, costa to slightly beyond 

 middle, first division equal to other two together, third about one- 

 fourth as long as second, fringe very short and delicate, fourth vein 

 but little curved at base and running slightly upward to much in front 

 of wing tip; halteres black, pedicel paler. 



Length, 2 mm. 



Type-specimen. — In poor condition. St. Vincent, West Indies. 



APH10CH.aETA BICOLORATA, new species. 



Female. — Glossy black; frons highly polished, about one and one- 

 half times as long as broad, one pair of long post-antennal bristles, 

 center pair of bristles in first row incurved, placed much lower on 

 frons than outer pair and distinctly nearer to center, a few scattered 

 hairs on frons besides the usual bristles, antennae oval, rather pointed, 

 opaque black, arista pubescent, at least one and one-half times as 

 long as frons, labrum very much produced, viewed from above 

 extending beyond anterior extremity of antennae, glossy black, 

 rounded in front, proboscis fleshy, not extending beyond apex of 

 labrum, palpi brown-black, as long as labrum and numerously bristled ; 

 mesonotum glossy black, disk with numerous short hairs and on 

 posterior margin about six long bristles, the strongest of which is 

 situated close to wing base, pleuraB highly polished, brown-black, 

 changing to bright yellow on lower half, scutellum with two strong 

 bristles and two weak hairs anterior to them; abdomen subopaque, 

 second, third, and seventh segments elongated, the first two sub- 



