British Hemiptera-Ueteroptcrn. 625 



NABIDiE. 



I. Dull, colouring obscure 

 ir. Briillaut shining 



Nahis. 

 Prostcnima. 



Nabis. 



I. Bright chocolate brown ; legs with the thighs 

 marbled. 



a. Antenna, longer than the body . . • • hrctnpovus. 



b. Antenna; not so long as the body . . latlventris. 

 II. Not bright chocolate brown, thighs finely-spotted, 



not marbled. 

 A. Apex of posterior thighs black . . • ■ major. 



A A. Apex of posterior thighs not black. 



B Dark greyish-brown, tolerably robust; body 



above black, with the margins pale . . JlavomarffUuUus. 

 BB Pale ochreous, or ochreous-brown, elongate ; 

 body not black above, but sometunes very 

 wide in the 5 . 

 C First jointof the antennjE longer than the head. 

 Elytra almost always rudimentary. 

 a Sides of the body foliaceous; body in 



the 2 dilated .. ^""^'"■''"'• 



b Sides of the body not foliaceous ; body m 



the 5 not dilated ^ ''"■^''''• 



CC First joint of the antennae shorter than the 

 head. Elytra developed. 

 D. Thorax at the base wider than long; ante- 



rior margin not half the width of the base fenis. 

 DD Thorax at the base narrower than long; ante- 

 rior margin half the width of the base. 

 a Wider paler (pale ochreous) ; antenna; 



longer (found in grassy places, &c. ) . . rugosns. 

 b Nal-rower, darker (reddish-brown); an- _ 



tenna; shorter (found on heath) . . . • erwetorum.. 



1. brevipennis, Hahn. Fig. Halm, Wanz. Ins. iii. 

 pi. Ixxxiii. fig. 253. , -, ,i ■ r i. 



Chocolate brown, finely pubescent; head, thorax m front 

 and body more obscure. Elytra very short,_ covering 

 about half the body or not quite half Connexivum with 

 a red spot on the margin, at the base of each segmen 

 Leo-s pale ochreous, femora marbled and banded with 

 greyish-brown; two front pairs of tibiae with a band just 

 below the base, a wider one above the maddle and the 

 apex dark; posterior ones at the base and apex dark, and 

 S a pale narrow band below the dark basal one. An- 

 Lna^ long, finely pubescent; base of the first jomt and 

 a band near the apex of the second black. 



