1931] Van Duzee — .1 Few North American DoUchopodidw 121 



spieuous. Tarsi hairy, more or less blackish from the tip of the 

 first Joint; fore and middle tarsi nearly as long as their tibiae, 

 the former with fourth and fifth joints of about equal length. All 

 fifth tarsal joints with bristle-like hairs at tip ; their pnlvilli much 

 enlarged and with the empodiura also elongated and hairy, appear- 



EXPLANATION OF FIGURES. 

 Fig 1, Dlaphorus hirsutus sp. nov., wing.; Fig. 2, Proarchus violaceus 

 sp. nov., antenna; Fig. 3, Proarchus violaceus sp. nov., Hypopygium; Fig. 4, 

 Leucostola terminalis VanDuzee, liypopygium of male; Fig. 5, Thrlplticus 

 longicauda sp. nov., hypopygium of male; Fig. G, Thriptlcus nigrlpes sp. 

 nov., hypopygium of male; Fig. 7, Paracllus ornatus sp. nov., wing; Fig. 8, 

 Paraclius ornatus sp. nov., last four joints of fore tarsus; Fig. 9, Paracllus 

 ornatus sp. nov., outer appendages of the hypopygium of male. 



ing like claws when seen with a low-power lense ; hind tarsi scarcely 

 as long as their tibia?, the first and second joints of nearly equal 

 length. Calypters and halteres pale yellow, the former with a 

 brown tip and yellowish cilia. 



Wings (Fig. 1) grayish; first vein reaching a little more than 

 one-third the distance from the root of the wing to tip of second 

 vein; third vein bent backward at tip; last section of fourth vein 

 with a quite abrupt bend at a point opposite the tip of fifth vein, 



