RHYPAROCHROMIDJL 171 



Thorax. Pronotum ; fore half dull black, except the collar on the 

 anterior margin, which is reddish-brown; hinder half ochreous, 

 more or less suffused with piceous spots ; sides and hinder 

 angles broadly clear and unpunctured ; disk lightly punctured and 

 with distant, very short, yellowish hairs. Scutellum black, the sides 

 punctured, the apex ochreous ; a spot on each side of the base of 

 the central ridge reddish ; Elytra, Clavus, and Corium, ochreous, 

 with brown shades and fine, short, yellow hairs, and several lines of 

 contiguous, piceous punctures, between which, inwardly, is a long 

 clear spot of the ground colour, broadest on the posterior margin, 

 and another undefined spot, outwardly, near the apex ; the anterior 

 margin is also clear, with a brown line on its edge ; Membrane light- 

 fuscous-brown ; the nerves, the base to beyond the 2nd nerve, a 

 large spot on the anterior margin, and another on the posterior mar- 

 gin outside the 2nd nerve, whitish. Sternum black, with a whitish 

 gloss, punctured ; posterior margin of the Metastermm reddish- 

 brown. Legs reddish-brown ; hinder thighs with an indistinct dark 

 ring towards the apex ; tarsi; last joint piceous at the extremity. 



Abdomen. Connexivum reddish. Underside black, finely punc- 

 tured, and with fine, short, yellow hairs. 



Length, 2J 3 lines. 



Bare. In the collection of Mr. Dale, and once taken by Mr. GK 

 Crotch in the Cambridge Eens. 



Genus 3. CALYPTONOTUS.* 



(RHYPAROCHROMUS, 



Long, thick, flat above, elliptic ; sides nearly parallel. 



Head broad, very convex ; Face triangular ; central lobe sharply 

 defined, broadest at the apex ; side lobes pointed in front, not so 

 long as the central lobe. Antenna long, stout ; 1st joint subclavate, 

 one half its length reaching beyond the end of the face ; 2nd and 3rd 



* KaXvTrrw, to cover as a shield, and vwroe, the back. 



f Curtis (' B. E.' p. 612) expressly says that Lygaus CMragra, Fab., is 

 the type of his genus Rhyparochromus, consequently his generic name must be 

 retained for that section of the original genus which contains the species, i. e. 

 Megalonolus, Eieb. 



