468 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



is possible that this may be a distinct species, but there is only a single 

 specimen in the collection from Cordoba, Mexico (F. KJnab), and I am 

 averse to describing it as a new species owing to the fact that scalaris 

 has a very wide range, and shows considerable variation in size, and 

 intensity of coloring though not to the extent shown in this specimen. 

 Type.—Csit. No. 14855, U.S.N.M. 



APHIOCHJETA SUBLUTEA, new species. 



Female. — Pale yellow; ocellar triangle and upper part of frons 

 brownish, upper pair of post-antennal bristles slightly stronger than 

 lower, separated by about one-half the breadth of frons, lower pair 

 by about one-fourth, center pair of bristles in first row directly 

 below the outer pair and a Uttle below the transverse line of upper 

 pair of post-antennals, antennas yellow, arista yellow at base, basal 

 joints thick, apical portion dark, pubescent, rather longer than frons, 

 palpi yellow, normal ; thorax clear yellow, only two distinct scutellar 

 bristles and anteriorly two microscopic hairs, mesopleurss with numer- 

 ous short bristles one of which is slightly longer than the others, but 

 not remarkably so, abdomen yellow, segments subequal, each seg- 

 ment, except sixth, with a narrow preapical black band, dilated ante- 

 riorly laterally, bristles on second segment indistinct; legs yellow, 

 apices of hind femora dusky, setulse on hind tibiae (11-12) in a regular 

 row of moderate strength ; first division of costa more than twice as 

 long as second, third division about one-third as long as second, 

 fringe long, fourth vein nearly straight at base, ending much in front 

 of wing tip, halteres yellow. 



Length, 2^ mm. 



Two females, Franconia, New Hampshire (Mrs. Slosson). (Collec- 

 tion of Coquillett.) 



Type.— C&t. No. 14856, U.S.N.M. 



Labeled "Phora scalaris Loew," from which it is very easily distin- 

 guished by the costal divisions, the absence of the anterior scutellar 

 bristles, which must be entirely absent in male if the general rule 

 holds, and the long costal fringe, besides several other characters 

 mentioned in the description. I have seen a male from Shark River, 

 New Jersey, which is similar to the female, only differing in having 

 the frons, antennae, and abdomen brownish, and in being smaller. 



APHIOCH^TA CARLYNENSIS, new species. 



This species comes close to suhlutea, from which it differs as follows : 

 The frons is almost entirely brown, the lower pair of postantennal 

 bristles are almost as strong as the upper pair, the latter occupying 

 one-half the breadth of frons and the former about one-third; in 

 suhlutea the outer bristle in first row is nearer to the center bristle 

 in same row, which is almost under it, than to the outer one in second 



