rO.MI'ILID.E. 



1" 



l.S()7), paral3-zcs it with its formidable sting, ami iuseiling an 

 egg in its body, i)laces it in its nest, dug to the depth oC five 

 inches. There is but a single brood, 

 ]) reduced in June, wliich is killed off by 

 the frosts of November. This species 

 feeds iu summer "upon the honey and 

 pollen of the flowers of the Elder, and 

 of Vitis ampelojwis, the Virginia Creeper ; 

 but its favorite nourishment is taken from 

 the blossoms of Asdepias qiiadri folium.'" 

 P. cyJindncus Cresson (Fig. 03, wing) is one of 



Tig. 94. 



( Lincecura.) 



our smallest species, being 

 from three to five lines 

 long. It occurs in the 

 South and West. P. arctus 

 Cresson (Fig. 94, wing) in- 

 habits Colorado Territory. 

 J\ Marim Cresson (Fig. 95, 

 ? enlarged) is a beautiful 

 and rare species found in 

 Peimsylvania. The genus 

 Priocnemis is characterized 

 by the two hind pair of 

 tibiiie being serrated ( 5 , 

 Fig, 96, a, wing ; h, pos- 

 terior leg ; c, anterior leg), and by the want of spines on the an- 

 terior legs. P. unifasciatas Say is a wide-spread species and 



readily recognized b}^ the deep blade 

 color of the body, the yellow an- 

 tennae and the large yellow spot at 

 the tip of each anterior wing. 



The genus Agenia (Fig. 97, a, 

 wing ; b, posterior leg) differs in 

 having smooth legs. ^1. brevis Cres- 

 Fig. 96. son (Fig. 98, wing) is a little spe- 



cies found in Georgia. A. congruus Cresson (Fig. 99, wing) 

 u as captured in West Virginia ; and A. accejytus Cresson (Fig. 

 100, wing) in Georgia. The genus Notocyplma (Fig. 101. 

 ?, wing) is found in Brazil and Mexico. Planicepa (Fig. 102, 



