84 PROCEEDINGS OF THE NATIONAL MUSEUM vol. P3 



8. APLOMYA CRASSISETA (Aldrich and Webber), new combination 



Zen Mia crassiseta Aldsxch and Webber, Proc. U. S. Nat. .Mas., vol. 63, art. IT, 

 p. 29, 1924.— Johnson. List of New England Diptera, p. 196, 1925.— West, 

 Cornell Univ. Agr. Exp. Stat. Mem. 101. p. 814, 192S. 



Head with front of male at narrowest 0.23 to 0.24 and in female 

 0.28 head width; frontal row of eight or nine bristles in male and five 

 to six in female, extending from slightly below junction of the second 

 and third antennal segments in male and slightly above in female to 

 two strong reclinate preverticals ; parafrontal of male varying from 

 golden pollinose to slightly brassy pollinose, in the female grayish 

 pollinose without a conspicuous brassy tinge (allotype female with a 

 brassy tinge); facial ridge bristly on lowest one-sixth; gena one- 

 seventh to one-sixth eye height; face, parafacials, and posterior orbits 

 silver-gray pollinose, face in two males slightly tinged with gold; 

 antenna black, third segment in male about two and one-half and in 

 female twice second; arista thickened on basal one-fourth to one-third, 

 penultimate segment short. 



Thorax black, dusted lightly with a gray pollen, sometimes with a 

 yellow tinge ; five mesonotal vittae ; male type with three postsutural 

 dorsocentral macrochaetae, the remainder with four; midtibia with 

 two or three median anterolateral bristles; hind tibia unevenly ciliate, 

 with one longer bristle ; wing grayish hyaline tinged with brown ; third 

 vein with two bristles at base; squamae white. 



Abdomen black; in male second and third segments on basal two- 

 thirds and fourth on basal one-half, in female second and third seg- 

 ments on basal one-fifth and fourth on basal one-third densely light- 

 gray-silvery pollinose; remainder, including dorsal vitta on second 

 segment, shining black; first segment with one pair, second with two 

 pairs, third and fourth with a row of marginal macrochaetae; second 

 and third segments with one pair and fourth segment with at least one 

 row 7 of discal macrochaetae, in one female the discals on second and 

 third segments weak; abdominal hairs suberect in male, depressed 

 in female. 



Length 7 to 9 mm. 



Type locality. — Lafayette, Ind. 



Distribution. — Indiana 1, Massachusetts 1, Xew T Jersey 1. 



Type— Male. U.S.N.M. No. 25695. 



Host. — Unknown. 



Remarks. — Description based on an examination of the type male, 

 August 31, 1917 (Aldrich) ; allotype female and paratype male, North 

 Andover, Mass., July 11, 1916 (H. E. Smith) ; and two males and one 

 female, Somerville, N. J., May 22, 1922 (Webber). The front of the 

 last three specimens are less golden-pollinose, but a survey of the 



