670 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



Oeciacus Stal. 



The species of this genus are clothed with long dense pubes- 

 cence ; they live in the nests of certain birds. One species occurs 

 in North America. 

 O. vicarius (Horvath). 



Ann. Mus. Natl. Hung., x, 261, 1912. 



Pale yellowish brown, with darker markings. Length 3.6- 

 4.5 mm. 



This species lives in the nests of chimney swifts, and is probably 

 much more common than would be supposed from the scarcity of 

 examples in collections. 



Mount Carmel, 29 May, 1903 (L. L. Dickerman). 



Family NABIDAE. 



By Howard Madison Parshley, Sc.D. 



This group includes a moderate number of species of medium 

 size, predaceous in habits and usually found wandering over vege- 



Fig. 153. Nabis ferns Linnaeus, — hind wing showing names of veins. 

 Greatly enlarged. Drawing by Dr. Philip Garman. 



tation in general, although a few species seem to prefer particular 

 situations such as are afforded by marshy or mountainous regions. 

 Antennae slender, four segmented (in the exotic Pachynominae 

 five segmented), often with a supplementary ring segment at base 

 of second, which may be scarcely visible or half as long as first; 

 ocelli present; rostrum four segmented (or very rarely three seg- 

 mented), the first very short; species often dimorphic with regard 

 to wing length; fully developed hemielytra consisting of corium, 

 clavus and membrane, and sometimes embolium ; membrane 

 large, with elongate cells from which radiate numerous short veins ; 

 in the male there is a large genital segment bearing copulatory 

 hooks on each side, in the female the genital segments are longi- 

 tudinally divided beneath, the ovipositor visible. 



