296 ■ APPENDIX. 



ORDER HEMIPTERA. 



SCUTELLERA, Lam. 



1. S. binotata. Head much arcuated, subtrilobate at 

 lip; a large cinereous spot on the humeral region. 



Inhabits North-west Territory. 



Body oval, yellowish-gray, varied with dusky ; punc- 

 tured ; punctures small, black; head longitudinally very 

 much decurved, not foi-ming a right line even on the ver- 

 tex ; fuscous, with three obsolete, dull fulvous vittae; punc- 

 tures dense, small, profound ; two profound, very obvious, 

 distinctly undulated impressed lines on the anterior two- 

 thirds of the head, the included space a little elevated, and 

 at tip forming a small lobe ; lateral edge concavely ar- 

 cuated, forming a rounded lobe at the lateral tip ; thorax, 

 punctures rather smaller than those of the head ; anterior 

 half, excepting the lateral margin, unequal, fuscous, with 

 three obsolete dull fulvous lines ; posterior half abruptly a 

 little elevated ; lateral edge black, concavely arcuated be- 

 fore and convexly so behind ; posterior angles slightly 

 emarginated ; scutel entirely concealing the tergum and 

 the hemelytra, excepting a very small portion of the lat- 

 ter at base; basal disk dusky; a glabrous line extending to 

 the tip and margined with dusky ; a large cinereous semior- 

 bicular spot in which are abbreviated black lines, extending 

 from the humeral angle to the lateral middle; beneath co- 

 vered with black punctures ; feet black ; knees and spot 

 near the tip fulvous ; tibia fulvous with black lines ; tarsi 

 black. 



Length more than one-fourth of an inch. 



This species may be distinguished by the curvature of 



