No. 1 6.] ORTHOPTERA OF CONNECTICUT. 89 



elevated, but little arched. Hind margin of prono- 

 tum right-angled in male, slightly obtuse in female 



sulphurea 

 Frontal costa with the sides scarcely approaching each other, 

 not meeting at the union with the vertex. Median carina 

 high and arched. Hind margin of the pronotum acute- 

 angled xanthoptera 



A. sulphurea Fabricius. Sulphur-winged Locust. 



General color yellowish brown to blackish brown in the males. 

 Females usually somewhat lighter than the males. The tegmina 

 in both more or less sprinkled with darker brown dots. The 

 inner wings with the basal two-thirds a bright sulphur yellow ; 

 the outer third with a curved dusky band. Just back from the 

 front margin of the wing and extending from the dusky band, 

 is a streak of the same color, reaching nearly to the base of the 



Fig. 27. Arphia sulphurea, male. 

 Wing, sfs, sub-frontal shoot. 



wing, Fig. 2J* Hind femora with a pale ring near the apex, 

 the inner surface with alternate bands of black and white, which 

 are often faintly extended to the outer surface. Hind tibiae 

 nearly black or bluish black with a pale ring near the base. 



Measurements. 



Body Antennae Tegmina Hind Femora 



Females 26-28 6-7.5 20.5-23 I3>5- X 5*3 



Males 17-19 6-7.5 17.5-20 11 -12.5 



A very common species found in dry pastures. It commences 

 to appear in early May and is most abundant through June and 

 early July, though scattering specimens are found much later. 

 The males, when disturbed, fly in short, zigzag flights, making a 

 crackling noise. 



♦This is sometimes called the sub-frontal shoot, and this term will be used when 

 this character is referred to in following species. 



