212 AN fOLOGY. 



mily XXXIL COREIDA* 



The Coreid ae of the most extensive of the familit 



ul the nu-n:' itly in form. 



:c amoni; the most formidable in appearance of all 

 of our He: iiile others are comparatively weak and in- 



-picuous. The family is characterized as follows: The ante; 

 rted above an ideal line extending from the eye to the 1- 

 he rostrum, ami are four-jointed; the vertex is not trail 

 imp ( '.'.i are present ; the rostrum is four-jointed; the 



: ellum is small or of medium size ; the win^-covers arc usually 

 complete, and composed of clavus, corium, and 

 membrane ; the membrane is furnished with many 

 veins, which spring from a transverse ba^-1 vein, 

 _ and are usually forked 82); the tarsi arc 



%. thixx-j..iiiu-.l. 



This family contains both vegetable feeders and 

 Carnivorous forms ; in some cases the same species will feed upon 

 both insects and plants. 



The most common and best known spccu 

 the Squash-bui;, Anasa tristis. The form of the 

 of the adult insect is represented in Fi^. 

 183. In this sta^c the insect appears blackish- 

 brown above and dirty-yellow beneath. The 

 ground color is really ochre-yellow, darkened by 

 numerous minute black punctures. Upon the 

 head are two longitudinal black stripes; the lat- FJG r , 

 era! margins of the prothorax are yellow, owin^ 

 to t, :icc alon^ a narrow space of the punc- 



tures; and the margin of the abdomen is spotted with yellow from 

 :iilar cause; the membrane of the wini;-. black. 



Thi 9 winters in the adult state. In early summer it lays 



in little patches on the youni; leaves of squash and allied 

 tits, The young bu^s are short and more rounded than the 

 adult in There are several generations of this species each 



Thi-> i^ one of the most annoying of the main' j ests of the 

 kitchen-garden. The i: -isfactory wa\- yet devised for pre- 



venting ib. rav. to protect the youn^ plants by means of 



*CorCidac, Co; '. . ibly fr.ni <//.> (Kopi^, bug. , 



