THE CANADIAN ENTOMOLOGIST. 143 



expanded caudad ; cephalic margin obtuse-angulate, caudal margin 

 rectangulate ; median carina rather low, slightly arcuate, very slightly 

 incised ; lateral lobes subquadrate, rugose on the metagonal portion, 

 cephalic and caudal margins parallel, ventral margin obtusely trimmed 

 cephalad. Tegmina rather long, considerably exceeding the hind femora, 

 broadly rounded proximad. Posterior femora stout, with prominent dorsal 

 and ventral keels. 



General colour blackish-brown, the dorsal aspect of the tegmina with 

 a longitudinal bar of brownish ochraceous; abdomen dull yellow ; posterior 

 tibia? deep cobalt blue, with a lighter subproximal ring, spines black. 



$ . Size large. Head with the vertex cordiform, the cephalic portion 

 completely closed ; frontal costa considerably constricted superiorly, 

 subequal at and below the ocellus, supplementary intermediate ridge sub- 

 obsolete ; eyes elliptical, considerably shorter than the ventro-ocular 

 portion of the gense ; antennae moderately long, slightly expanded distad. 

 Pronotum essentially as in the male. Tegmina rather long, slightly 

 exceeding the body, considerably exceeding the hind femora. Wings 

 rather large, equal to the tegmina in length. 



General colour grayish brown, the tegmina sprinkled with spots 

 of darker brown, giving a " salt-and-pepper " appearance to the latter 

 parts ; outer face of the posterior femora obscurely washed with hoary ; 

 posterior tibia) ultramarine blue with a sub-proximal ring of dull pinkish, 

 the spines black. Wings with the disc and the greater part of the 

 cephalic margin reddish orange, the ulnar stigma and the periphery dull 

 blackish brown, the distal portion of the humeral field smoky hyaline. 



Measurements: ^ . $. 



Length of body 22.5 mm. 37.5 mm. 



Length of pronotum 5 " 7.5 " 



Length of tegmina 22 " 32 



Length of hind femora 13 " 19 



The total number of specimens of this species examined was eleven — 

 four males, seven females. 



Arphia hesperiphila, n. sp. 



Types : $ and $ ; San Diego, California, April 4 and October 30, 

 1 90 1. 



Allied to A. arcta and A. conspersa, Scudder, but distinguished from 

 the former by the higher pronotal crest, by the more robust posterior 

 femora, the shorter ulnar stigma, and the more definite wing arc ; from 



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