126 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



nae reddish yellow varied with brown. Thorax black, the humeri and a 

 large spot at insertion of wings reddish yellow; scutellum black, the 

 sides reddish yellow. Abdomen dark brown, varied with reddish 

 yellow, a pale yellow band beyond the middle of the second segment 

 and another at the base of the third; second segment elongate and 

 slender, over five times as long as its greatest width. Legs pale 

 yellow, last two tarsal joints, the first joint of the hind tarsi, and a sub- 

 median and apical band on the hind tibiae brown; apical four-fifths of 

 the hind femora brown, a wide postmedian band and the narrow apex 

 reddish yellow. Wings hyaline, gray at the apex. 



Length, 6 turn. 



White Mountains and Francouia, New Hampshire. Two 

 males, one of them collected by Mrs. Annie T. Slosson. 



Type: No. 13092, U. S. National Museum. 



Xylota facialis, new species. 



Male. A rather robust species, near nemorum, but the lower two- 

 fifths of the face, except on the sides, is yellow in ground-color. Head 

 black, the lower portion of the face, except laterally, yellow; antennae 

 black, the third joint brown, subelliptical, wider than long. Thorax 

 bronze green, marked with four purple vittae. Abdomen opaque black, 

 the first segment polished, the second and third each with a pair of 

 polished yellow subquadrate spots, the fifth wholly polished bronze 

 green. Legs black, bases of tibae and of the first two pairs of tarsi yel- 

 low; hind femora much thickened, hind coxae unarmed. Wings grayish 

 hyaline, the stigma dark yellow. 



Length, 10 mm. 



Pequaming, Michigan. One specimen, collected by Mr. 

 Morgan Hebard. 



Type: No. 13093, U. S. National Museum. 



Family TACHINID^E. 



PETIA, new genus. 



Near Apinops, but the first posterior cell is closed and with a petiole 

 one and one-half times as long as the hind cross-vein, etc. Head in 

 profile one and one-half times as high as long, the horizontal diameter 

 at the vibrissae: scarcely shorter than at base of antennae; ocellar bris- 

 tles minute, proclinate, frontals descending to middle of second antennal 

 joint, an irregular row of bristles outside the frontals, only one pair of 

 verticals; antennae reach five-sixths of distance to the oral margin, the 

 third joint slightly longer than the second; arista bare, the penultimate 

 joint shorter than broad; vibrissae inserted on a line with the anterior 

 oral margin, three or four bristles above each, sides of face bare, unus- 



