12 G Psyche [Jimo 



the lamella brown, large, about as long as the main portion of the 

 hypopygiiim, rather bare (fig. G). 



Coxae, legs and feet black, except the extreme tips of the coxa3 

 and the trochanters, which are yellowish. Calypters, their cilia 

 and the halteres yellow. 



Wings nearly hyaline; third and fourth veins nearly parallel. 



Female: Face a little wider; otherwise about as in the male. 



Described from one male and two females which I took at Wells, 

 Nev., Jnne G, 1915. Type in the author's collection. 



The wings in all my specimens are in poor condition. This is 

 very much like T. fmterculus Wh., it ditTers in having the capsule 

 of the hypopygium conical, not oval as in Wheeler's species, and the 

 lamella? much longer and less hairy. 



Thrypticus longicauda sp. nov. 



Male : Length 3 mm. Face green, narrow below, the lower edge 

 and the palpi covered with white pollen. Front blackish. Anten- 

 nae black, small. Lateral and inferior orbital cilia white. Frontal 

 bristles black. 



Thorax green with bronze reflections; there is but one bristle 

 left on the thorax and that is black with the tip more whitish, the 

 minute hairs on the anterior portion are yellow. Abdomen long 

 and slender, green, its hairs and the bristles on the hind margins 

 of the segments are yellow, but they are small and inconspicuous. 

 Hypopygium long and slender, green, its hair yellow (fig. 5) ; 

 its lamellae very long, yellow, with a few yellow hairs. 



Fore coxae yellow with white hairs, its basal half on the anterior 

 surface green. Middle and hind coxte and all the femora green, 

 with the tips of coxas, extreme base of middle and hind femora, 

 apical third of fore, and apical two-thirds of middle femora, tips 

 of hind femora, and all tibiffi and tarsi yellow. Fore and middle 

 tarsi nearly twice as long as their tilna^. Second Joint of hina 

 tarsi longer than the first. Calypters, their cilia and the halteres 

 yellow. 



Wings grayish ; costa black ; veins brown ; third and fourth veins 

 parallel, the fourth ending in the apex of the wing; last sectioii 

 of fifth vein nearly three times as long as the cross-vein. 



Female: Face wider; thorax with black and yellow bristles 

 mixed; coxae and femora mostly black; tibiae and tarsi yellowish 



