340 A. L. MELANDER. 



Page 210. Drapetis pubesceus Loew. 



The basal cells are large for this genus. 



Page 212. Drapetis spectabilis mihi. 



In the collection of the Museum of Comparative Zoologj' at Cam- 

 bridge are three specimens from Bosque Co., Texas (Belfrage). 



Drapetis xanthopudus Willistou. 

 Is the same as gilvipes Loew. 



Page 214. Platypalpus liipatus sp. nov. 



Male. Length 2.5 mm. — Black species, head and thorax overlaid with hair- 

 like tomentum. Face white. Autennse black, the outer joint oval, its style two 

 and a half times its length. Proboscis black. Bristles of body and of legs dirty 

 white, scutellum with two long and two short bristles. The glabrous space of 

 the mesopleurae small. Abdomen and hypopygium shining black, the latter 

 twisted to the right, the basal edge of the under side with several long black 

 hiiirs. Coxfe black, piceous apically ; legs black, except towards the trochanters 

 and knees, the hind tibiae and the bases of the tarsal joints, which places are dull 

 yellowish ; front femora thickened as much as the middle ones, front tibise 

 stouter than the middle ones, middle tibise with a strong apical spur, remainder 

 of legs siuiple; legs with scattered yellowish hairs, longer beneath on the femora, 

 front tibise with about ten longer hairs on the front edge, the hairs gradually be- 

 coiuing long below and not arranged in a definite series. Halteres yellow. 

 Wings hyaline, veins fuscous, third vein straight, fourth vein sliglitly sinuous, 

 subparallel with the third and slightly diverging from it at the tip, second basal 

 cell the longer, its cross-vein oblique, the distance between the two cross-veins 

 ou the fourth vein less than the length of the anterior cross-vein, anal cross-vein 

 straight, inflexed, evanescent, anal vein faint, obsolete at base. 



One male; Cloudcroft, New Mexico. May 27, 1902. (H. L. 

 Viereck.) 



This species is associated with the eastern pachycnenms, but in that 

 form the antennse are dark fuscous, the front femora but slightly 

 thickened, the third vein incurved, converging with the fourth, 

 while along the fore edge of the front tibise there is a series of but 

 seven hairs, with a similar series also on the hinder edge. The 

 hairs of the inner edge are finer and number eight. Pachycnemxis 

 measures 2.3 mm. 



Flatypalpus Vierecki sp. nov. 

 Male and Female. Length 2.5 mm.— Black pollinose species, with yellow legs. 

 Face and front whitish, occiput cinereous, beneath with dense white hairs. An- 

 tennae yellowish, extreme tip of the outer joint and the arista dusky, outer joint 

 lanceolate, the arista but little longer than the antenna. Proboscis black, palpi 

 prominent, yellow. Thorax with golden dust above, becoming cinereous on pleu- 

 rae, a small shining space present above the middle coxae ; bristles yellow, scutel- 



