108 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Key to Species. 

 i. Size very large. Tegmina 42 (male) to 55 (female) 



mm americana 



Size smaller. Tegmina 27 (male) to 40 (female) mm. 2 

 2. General color yellowish brown to olive green, with a 

 mid-dorsal stripe on head, pronotum, and closed 



tegmina. Vertex prominent alutacea 



General color rusty brown, without mid-dorsal stripe 

 as above. Vertex less prominent rubiginosa 



S. americana Drury. American Locust. Plate IX, 4. 



This locust will be readily recognized by its size and con- 

 spicuous markings. The female is often two inches or more 

 in length. Antennae but little if any longer than the head plus 

 pronotum. The color reddish brown, tinted slightly with ver- 

 milion. A broad median yellowish stripe extends along the head, 

 pronotum, and closed tegmina as far as the end of the abdomen. 

 A dark brown line from the eye extending down the cheek. 

 Lateral lobes of pronotum with a wide yellow stripe on upper 

 third and with a short narrow stripe below. Tegmina semi- 

 transparent apically with numerous large brownish black spots. 

 Lower margin yellowish at base. Wings transparent. Hind 

 femora buff to brownish with one or two dark streaks along 

 the upper third. 



Measurements. 



Body Antennae Tegmina Hind Femora 



Female 48-55 *3-l5 5Q-55 28-30 



Male 39-42 12 42-44 23-24 



A female of Americana was taken at Hamden, 23 August 

 1909 (B. H. W.), in a dry field covered with blackberry vines 

 and weeds. This is probably the first Connecticut record for this 

 species. It is found occasionally in the vicinity of New York 

 City, and it should be looked for in the southwest portion of the 

 state from early May until the first of July, and from September 

 to November. 



S. alutacea Harris. Leather-colored Locust. Plate IX, 5. 



Size rather large, the female much larger and more robust 



than the male. Vertex rather prominent, narrow; disk but little 



