222 Journal New York Entomological Society. [Vol. xxvu. 



uncus is not much bent and it has no terminal notch. The opercula are small 

 and the song apparatus plainly exposed. The comparatively few hairs on the 

 underside of the abdomen are short and light colored ; the last ventral seg- 

 ment is pubescent, constricted at the sides and rounded at the extremity. 

 The insect is almost wholly straw-colored covered with a whitish pubescence ; 

 the eyes are darker and the ocelli are large and ruby colored. The transverse 

 rugae are darkened ; there is an inverted V-shaped mark on the front between 

 the supra-antennal plates. Pronotum with a dark-colored hour-glass-shaped 

 spot centrally ; the grooves darkened, and the posterior margin light-colored. 

 Mesonotum with four cuneiform dark spots stretching backward from the 

 anterior margin, the inner pair (the W-mark) not as long as the outer pair. 

 A dark line extending from the base of each fore wing backward to the 

 elevated X ; two small dark spots at the anterior extremities of the X. 

 Metanotum with a small dark elongate spot near the base of each hind wing 

 and a more rounded one above each tympanum. Abdomen with the segments 

 darkened at the base, but not on the sides. The costal margin of the fore 

 wings straw-colored to the end of the radial cell, darkened beyond, the re- 

 maining veins and about the outer half of the wing also darkened. Basal cell 

 clear. The anal membranes of the fore and hind wings are whitish, those of 

 the hind wings include a clouded spot. Beneath there is a small elongate 

 shining black spot each side near the base of the rostrum, which itself is 

 blackened at the extremity. There is a dark spot at the base of each wing 

 and dark lines- at the base of the legs; the claws and spines of the legs also 

 darkened. The usual dark spot centrally at the base of the abdomen. The 

 allotype is colored as in the type except that there is a small dark spot at the 

 side on each abdominal segment from the third to the seventh, and also a 

 fainter one not in line with the others on segment eight. The notch in the 

 last ventral segment is simple. 



Measurements in Millimeters. 



Male Type. Female Allotype. 

 Length of body 19.5 20 



Width of head across eyes 5 5.5 



Expanse of fore wings 48 52 



Length of valve • 3 



In addition to the type and allotype another male and female from 

 the same locality and without date, are in the writer's collection, as 

 is also a male from Maricopa, Pinal Co., Arizona, July 3, 1918, col- 

 lected by A. M. Gaudin. This last has the body almost wholly straw- 

 colored and shows but faintly or not at all the darker marks described 

 in the type. In the collection of the Bureau of the Biological Survey, 

 U. S. Department of Agriculture, there are eighteen males and five 

 females, collected at Higley, Arizona, July 17 to 25, 1917, by E. G. 



