58 



Herbstia is not ineutioued by Braiier and Bergeustamm : 

 Penultimate joint of arista twice as long- as broad, one-sixth as long 

 as the last joint, legs black; black, the lirst two joints of anten- 

 na', palpi, apex of proboscis, of scntelluni, and sides of the first 

 two segments of abdomen, yellow ; third joint of antenna' brown ; 

 head at vibrissic as long as at base of antenna', front of female 

 one and one-fifth tvimes as wide as either eye, frontal bristles 

 descending to base of third antennal joint, two pairs of orbital 

 bristles, cheeks one-fifth as broad as the eye-height, vibrissa' on 

 a level with front edge of oral margin, ridges bristly on the low- 

 est fourth, antenme nearly as long as the face, the third joint 

 five times as long as the second, arista thickened on the basal 

 three-fourths; thorax gray pollinose, marked with four black 

 vitta'; three postsutural and three sternopleural macroch.neta?, 

 scutellum bearing two long marginal pairs and a very short 

 apical pair; abdomen subopaque gray pollinose, last three seg- 

 ments bearing marginal macrocha't;e ; front tarsi slender: wings 

 hyaline, third vein bristly halfway to small crossvein, hind 

 crossvein midway between the small and the bend, calypteres 

 white; length, C mm. New Bedford, Mass. A single female 

 specimen, collected by Dr. Garry deN. Hough. Type No. 3543, 



U. S. National Mnseum atripes n. sp. 



Penultimate joint of aristayTiiearly one-half as long as the last joint, 

 femora and tibite yellow; frontal vitta, face and cheeks yellow, 

 only one or two bristles above each vibrissa, third joint of anteu- 

 ua' three times as long as the second, arista thickened on the 

 basal two thirds, thorax not distinctly vittate, scntellum bearing- 

 three long marginal pairs of macrochiietie, third vein bristly 

 almost to the small crossvein ; length 4 mm.; otherwise as in the 

 above description of atripes. White Mountains, New Hamp- 

 shire. Two female specimens collected by Mrs. A. T. Slosson 

 and the late H. K. Morrison. Type No. 3544, U. S. National 

 Museum flampes u. sp. 



Genus ACTIA Desv. 



Actia Desvoidy, Essai snr les Myodnires, p. 85; 1830. 



Ceromi/a Desvoidy, loc. cit., p. 86. 



(hjmnopareia Braner ;ind Hergeustamiu, Zweif. Kais. Miis. Wien, IV, p. 103; 1889. 



This synonymy is according to Brauer and Bergeustamm.' Our two 



species have four postsutural and three sternopleural macrochfetse: 



First vein bristly on its apical third only, frontal vitta next the 



antenna' twice as wide as either side of the front, abdomen and 



"legs yellow; length 5 mm. From the type specimen. White 



Mountain, New Hampshire. (Journal N. Y. Ent. Soc, Vol. Ill, 



p. 50; June, 1895: Lasioneiira. Gymnoxmreia sp., Brauer and 



Bergeustamm in litt.) pallor is Coq. 



' Loc. cit., VI, pp. I'-'li ;iud 22S; 1893. 



