376 ACADEMY OF NATURAL SCIENCES 



8. F. HUMiLis. — Blackish; scutel five-lined. 



Inhabits Pennsylvania. 



Body brownish-black : hypostoma with a central elevated line 

 and lateral edges : vertex with a whitish spot each side : thorax 

 narrow : scutel with five elevated lines : hemelytra with brown 

 uervures, those near the tip fuscous : feet and tip of the venter 

 yellowish. 



Length to tip of hemelytra over three-twentieths of an inch. 



Resembles quinquelineata, but is much smaller and differently 

 colored and marked. [242] 



MEMBRACIS Fabr. Germ. 



1. M. TARTAREA. — Black; hemelytra hyaline at tip. 

 Inhabits Pennsylvania. 



Head and thorax black, polished, immaculate ; the latter sim- 

 ple, slightly elevated : tip acute, rather slender and greenish : 

 hemelytra with the four apical cellules hyaline, excepting that 

 the including nervures are margined with fuscous : feet green- 

 ish : thighs tinged with rufous : abdomen green : venter seg- 

 ments at their bases dusky. 



Length to tip of hemelytra less than one-fifth of an inch. 



2. M. SEMICREMA. — Green ; head and anterior thoracic disk 

 black. 



Inhabits Florida. 



Head black, a green band between the anterior angles of the 

 eyes : thorax little elevated, simple, green, with a large black 

 anterior disk ; tip rather slender, acute : hemelytra hyaline ; 

 nervures mostly blackish ; three terminal cellules subequal, rather 

 broader than long : beneath yellowish-green. 



Length to tip of hemelytra less than one-fifth of an inch. 



Somewhat resembles tar tar ca. 



3. M. CALVA. — Thorax simple, black ; head greenish. 

 Inhabits Pennsylvania. [243] 

 Head greenish, more or less black at base : thorax simple, 



hardly elevated, black, polished, generally greenish at tip, which 

 is not slender : hemelytra hyaline : nervures pale greenish : pec- 

 tus black : feet greenish : thighs more or less black. 



[Vol. VI. 



