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



Rasahus Amyot and Serville. 



Macrosandahis Stal. 



R. biguttatus (Say), thoracicus Stal. 

 Ins. La., 13, 1832. 

 En. Hem. ii, 106, 1872. 



Sirthenea Spinola. 



S. carinata (Fabricius). 



Ent. Syst, Suppl., 545, 1798. 



This species is not uncommon in New Jersey about electric light 

 globes. 



Subfamily Ectrichodiinae. 



Only one genus and one species of this subfamily occur within 

 the range of this paper. 



Rhiginia Stal. 

 Ectrichodia Lepeletier and Serville. 



R. cruciata (Say). (Fig. 159). 



Het. New Harm., 33, 1832. 



This species also has been known as bicolor, crudelis and media. 

 Though it may not occur in Connecticut, it is here included to 

 draw attention to it, should it be found. 



Subfamily Apiomerinae. 

 Only one genus occurs in the Eastern United States. 



Apiomerus Laporte. 



Key to Species. 



1. Female with outer apical angles of first genital segment deflexed, 



and not forming a continuous outline with the abdominal margin ; 

 male with apex of last genital segment produced into a short 

 process in the center and armed with two spines upwardly 



curved and obliquely divergent 2 



Female with sides of first genital segment forming a continuous 

 outline with the abdominal margin ; male with a single truncate 

 process at apex of last genital segment; a small species . . . .ventralis 



2. Pronotum black with reddish or pale basal margin; abdominal^ 



margins more broadly pale ; corium dark red crassipes 



Pronotum partly rufous, basal margin narrowly pale; abdominal 

 margins at most very narrowly pale spissipes 



A. crassipes (Fabricius). 



Syst. Rhyng., 273, 1803. 



A common eastern species. 



New Haven, 20 June, 1902 (E. J. S. M.) ; Woodbury, 19 July, 1913 

 (W. E. B.). 



