DEGEERIA 
as limited by B.B., pt.iii, 129. 
Male with two very long hairlike vertical bristles; with two 
very long hairlike orbitals, situated almost on the vettex 
Abdomen of @ not serrate below; the vertical bristles, two 
orbitals and the ocellars are stout in the 9. No apical 
scutellar bristles, laterals six, divergent. Ocellar brisltes 
in ¢ hairlike. Four or more discal macrocnaetae on segments 2 
and 3 of abdomen in ¢, in @ two long ones, rarely more. 
VIBRISSINA 
as Limited by B.B. loc.cit. 
Vertical bristles of both sexes stout. Addomen of °? below a 
little serrate, compressed. Orb ital bristles in ¢ “none. in 9 
two. Cheeks 1/3 the eve-heignt. Apical scutellar bristles 
slender, hardlt or rarely cruciate, erect. Second and thirs abi 
dominal segments each with 2 discal macrocnaetae, 
BOTH PRECEDING GENERA 
have the following in common: (B.B.) loc.cit.) 
Third antennal joint long, linear; first posteroir cell ending 
at or nearly at the apex of the wing, open, fourth vein with a 
rounded curve or slightly angular, but not appendiculate. Eyes 
bare. .Arista bare. Vibrissae at the oral margin. Palpi of 
usual form. Hexét Inferior margin of head when viewed from the 
Side, horizontal, straight, fatRer lene--rereiy—-srent—peees 
Oral bristles not or nardly ascending (means vibrissaul ridzes 
bare or nearly so). Clypeus not narrowed by the vibrissal pro- 
cesses. Hind crossvein not more oblique than apical. Hind tib- 
jae not ciliated with bristles. Pl.viii,f.208, snows facial 
ridges bristly over s way up! in Degeerial 
: B.Be, pt.i, 95, give 
FOR BOTH:-—-2d joint of arista short; 
Degeeria:--Sides of face bare; . 
Vibrissina :~~Tyes with fine and scattered and fine Dubescemce; 
(figure shows sides of face bare); 4th vein vowed, not ang- 
ular: 
