LIST OF DIPTERA. 7Q3 



nent; no bristles on the sides of the face ; sucker black, pitchy and 

 clothed with some short pale yellow hairs at the tip ; palpi short : 

 eyes pitchy : feelers tawny, as long as the face ; third joint pitchy, 

 black, as long as the second, convex above, slightly convex beneath, 

 rounded at the tip ; bristle downy, tapering from the base to the 

 tip, about twice the length of the third feeler-joint, its second joint 

 twice the length of its first : chest and breast brownish tawny, be- 

 set with black hairs and bristles ; chest adorned with four interrupted 

 slender black stripes ; scutcheon ferruginous, covered with a slight 

 tawny down, armed with stout black spines : abdomen dark ferrugi- 

 nous, thickly beset with black spines, black along the sides and at 

 the tip, where there is a large bright golden spot : legs tawny, 

 clothed with black hairs and bristles ; feet bright yellow, clothed 

 with pale yellow hairs and bristles ; tips of claws black : wings 

 gray ; wing-ribs and veins tawny ; tip cross-vein forming a slightly 

 acute angle with the fourth longitudinal vein, which sends forth a 

 little stump beyond it, much curved inward near the base, straight 

 from thence to the tip, which joins the border at some distance 

 above the tip of the wing ; lower cross-vein nearly straight for half 

 the length, curved outward from thence to the tip ; scales dingy 

 white. Length of the body 5 lines ; of the wings 11 lines. 

 a. Venezeula. From Mr. Dyson's collection. 



Tachina diversa, n. s. Cinerea, capite albo, abdomine rufo albo 

 vario, antennis nigris, pedibus rufis femoribus basi tarsisque ni- 

 gris, alls subnigris. 



Head white, gray on the crown, clothed beneath with white 

 hairs, beset above and on the front with black bristles ; epistoma 

 very prominent ; no bristles on the sides of the face ; sucker black, 

 clothed at the tip with short tawny hairs ; palpi short : eyes dark 

 red, slightly bronzed: feelers black, covered with gray bloom, 

 as long as the face ; third joint a little longer than the second, con- 

 vex above, almost flat beneath, rounded at the tip ; bristle downy, 

 more than twice the length of the third feeler-joint ; second joint 

 twice the length of the first ; third joint tapering to one-third of its 

 length, slender from thence to the tip : chest and breast gray, 

 clothed with black hairs and bristles; scutcheon and abdomen 

 armed with black spines : abdomen deep red ; third and fourth seg- 

 ments adorned with two triangular white spots that are joined to- 

 gether ; tip of the abdomen, sides of the segments above, and hind 

 borders of the segments whitish : legs deep red, beset with black 

 hairs and spines ; thighs towards the base and feet black; claws and 

 foot-cushions yellowish-white ; tips of the claws black : wings 

 blackish, darkest at the base and along the little cross-vein in the 



3 Q 2 



