KELLICOTT. 11 



not been noticed about rivulets, as it prefers the borders 

 of larger streams. 



HET^RINA, Hagen. 



As yet two only of the several charming species ac- 

 credited to America have been taken in Ohio. Others, 

 however, occur in states south and west, so there are 

 still regional species that may be added. In habits 

 they resemble Calopteryx ; their bronzed body, narrow, 

 hyaline wings with brilliant, basal areas in the males, 

 at once distinguish them. 



1. Tips of the wings, especially the anterior, brown; base of fore 

 ^vings, crimson, hind, brown tricolor. 



2. Tips of the wings of male not spotted with brown; base of 

 both pairs crimson americana. 



Hetaerina americana, Fabricius. 



Length; of hind v^ing, c? 28 mm., ? 30; of abdomen 

 6" 36 mm., ? 32 mm. 



In the males the head and thorax are coppery red, 

 in the fully adult, in younger examples metallic green ; 

 the labrum and labium are pale with a black dot in 

 the center of the former; the genje and mid-dorsal 

 carina are black ; there is a white humeral line, a simi- 

 lar one on first lateral suture, a broader stripe at the 

 second suture with the ventral surface and the posterior 

 lateral border of the metathorax white ; all the v^'-hite 

 lines and stripes are bordered more or less with black. 

 The v^nngs are hyaline with a shade of brown at the 

 tips and with the basal fourth bright red except costa 

 of fore wing : these basal patches are pale in the young 

 on the front wings and brown on the hind ones. The 

 pterostigma is very small, yellowish in the young, light 

 brown in the fully adult. The dorsum of the abdomen 

 is metallic green, becoming obscure and coppery with 

 age, yellowish at the sides ; the venter is blackish except 

 on 1-2 and 9—10 which are yellowish, there are yellow- 



