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



broad, curved ovipositor, rounded at tip, with the apical half 

 deeply serrated on both edges. 



Key to Species. 



I. Tegmina 34-39 mm. in length, those of the male sur- 

 passing the tips of the hind femora oblongifolia 



Tegmina less than 30 mm. in length, those of the male 

 often reaching but not surpassing the tips of the hind 

 femora rotundif olia 



A. oblongifolia DeGeer. Oblong-leaf-winged Katydid. Plate 



X, 5- 



A large species with bright pea-green wings, abdomen yel- 

 lowish to brownish green. Stridulating organ brownish, usually 

 with a green patch bordered posteriorly by the prominent green 

 cross vein. Pronotum with anterior portion narrower than 

 posterior, and the lateral carinae prominent. Lower inner carinae 

 of posterior femora with six to twelve strong teeth. 

 Measurements. 



Body Tegmina Hind Femora Ovipositor 



Length Width 



Female 23 38 n 30 11.5 



Male 22 36 11.5 31 



Occurs throughout the state from August until October. 

 Common on low trees and shrubbery, especially in damp places. 

 Its note, which is often heard in late afternoon and during cloudy 

 weather, has been likened to the sound made by drawing a fine- 

 tooth comb over a taut string. 



A. rotundifolia Scudder. Round-winged Katydid. 

 A smaller species, general color pale green, body somewhat 

 lighter. Pronotum, especially in the female, with the anterior 

 portion but little narrower than the posterior portion. Ovipositor 

 more curved and more deeply serrated than in oblongifolia. Teg- 

 mina proportionately broader than in oblongifolia. Posterior 

 femora with four or five teeth on the lower inner carina. 



Measurements. 

 Body Tegmina Hind Femora Ovipositor 



Length Width 



Female 20 26-28 . 10 25 10 



Male 19 26 9.5 24 



