NO. l6.] ORTHOPTERA OF CONNECTICUT. 141 



Key to Species 



Pronotum more than half the length of the posterior femora, 

 the front margin narrow, but little more than half as 

 wide as hind margin pachymerus 



Pronotum not more than half the length of the posterior 

 femora, the front margin about three-fourths the width 

 of the hind margin .dorsalis 



A. pachymerus Burmeister. Plate XI, 2. 



Grayish or reddish brown; the upper portion of lateral lobes 

 of pronotum of the male black, often shining. Wing covers 

 marked with black. A curved, yellow line above the posterior 

 angle of the pronotum, which in the female is bordered above 

 with black. Abdomen and femora sprinkled with minute black 

 dots. The lateral carinse of pronotum sharp and the posterior 

 margin broadly rounded. The hind femora and ovipositor some- 

 what shorter than in dorsalis. 



Measurements. 



Body Pronotum Tegmina Hind Femora Ovipositor 

 Female 20 9 15 20 



Male 19 9 8 15 



This insect is rare in Connecticut. Occurs in dry localities. 

 Scotland, 27 July, 2 September (B. H. W.). 



A. dorsalis Burmeister. 



The male is usually dark brown sprinkled with gray, female 

 somewhat lighter. The pronotum is slightly longer than in 

 pachymerus, the posterior margin more nearly truncate, and the 

 lateral carinae less sharp. 



Measurements. 



Body Pronotum Hind Femora Ovipositor 



Female 24 9.5 20.5 23-30 



Male 19 9 19 



This insect occurs in locations similar to those of the preced- 

 ing species. We have no record of the occurrence of this insect 

 in the state, but Scudder, in his list of the Orthoptera of New 

 England, states that dorsalis has been reported from every New 

 England state but Maine. 



