FAMILY v.— OBDIPODIN^. 155 



the middle of the lateral lobes, and from the middle of this a 

 descending vertical streak scarcely paler than the ground ; 

 posterior edge of pronotuni a yellowish-brown of the color 

 of boxwood. Tegmina of the body color or blotched with 

 fuscous and black, and with the axillary fold yellowish 

 brown. Wings coral-red at base, the arcuate band fuscous 

 deepening to black, the humeral line pale yellow and the 

 apex nearly hyaline. Legs of the bod\' color, the inside of 

 the hind femora having the basal half a prussian blue, the 

 distal half very dull lemon yellow with a transverse streak 

 of deep blue at one third the distance from the middle; hind 

 tibias dull lemon-yellow, hind tarsi tinged with reddish. 

 Abdomen above tinged on the first three segments with 

 reddish brown, especially toward apex ; ovipositor of the 

 color of the bod}' when not black. Metazona without lateral 

 oblique rug£e. 



Total length of male, 32-38 mm., of female, 39-43 mm.; 

 of body, male, 25-28 mm., of female, 36-44 mm.; of tegmina, 

 male, 24-30 mm., of female, 30-32 mm.; of hind femora, 

 male, 14-16 mm., female, 18.5-20.5 mm.; of antennae, male, 

 10.5-12 mm., female, 11.5-13.5 mm. 



Yellow-winged specimens of this species are very rare. 

 Sometimes the head, pronotum and hind femora are green- 

 ish. The yoimg insects, one of which is shown in the illus- 

 tration (Fig. 91), can be found late in August; they are 

 curious little depressed, toad-like objects, of a purplish 

 leaden color. Though ver^^ conspicuous objects in flight, 

 the adult insects are quite alert and active, so that the\' are 

 not easily captured. If flushed the male flies to a consider- 

 able distance; the female is much less active, and is more 

 difficult to flush more than once, as it tries to escape rather 

 by hiding than by flying. The stridulation of the male is a 

 rapid rattle, louder but similar to that oi Arphia sulphurea, 

 which flies at the same time and in similar localities, bushy 

 pastures and untilled or elevated land of light soil. 



