716 LIST OF HOMOPTEEOUS INSECTS. 



very convex, with indistinct cross ridges on each side, black towards 

 the epistoma, which is also black : disk of the breast mostly black : 

 abdomen pitchy ; a short dorsal stripe, hind borders of the segments 

 and oviduct tawny : legs yellow ; tips of the hind shanks and of 

 the hind-feet pitchy : fore-wings brown, narrow, with two very large 

 white spots on the fore border, with two indistinct whitish marks 

 near the base, and with two more along the hind border : hind-wings 

 colourless ; veins tawny, pale yellow towards the base. Length of 

 the body 2^ lines ; of the wings 6 lines. 



a. North India. From Mr. Warwick's collection. 



^ 28. Ptvelus quadeangularis. 



FerrugineuSjJlavo notatus ; caput fulvn varium, facie picea ; abdo- 

 men piceo varium ; pedes picei,Jlavovarii ; alee anticoe fulvcp 

 piceo fasciat(e. 



Lepyronia quadrangularis, Say. 



Ferruginous : head and chest flat, thickly and minutely punc 

 tured, with a few small, irregular, yellow marks : head partly tawny 

 on each side, almost straight along the hind border, conical in front ; 

 its length about half its breadth ; face convex, pitchy, with a broad, 

 flat stripe, on each side of which are ten strongly marked, very 

 oblique cross ridges, with ferruginous spaces between them : mouth 

 reaching the middle hips ; tip pitchy : abdomen partly pitchy ; legs 

 pitchy ; anterior thighs with yellow spots ; hind legs yellow with 

 pitchy bands: fore-wings tawny, convex along the fore border, 

 partly pitchy at the base and at the tips, and with two pitchy oblique 

 bands which form an angle: hind-wings almost colourless ; veins 

 pitchy, tawny towards the base. Length of the body 3 lines ; of the 

 wings 7 lines. 



a, b. North America. Presented by the Entomological Club. 

 c, d. Nova Scotia. From Lieut. Redman's collection. 



^ 29. Ptyelus mutans. 



Piceus ; caput sublus fulvum ; pectus fulvo marginatum ; abdo- 

 men supra purpurea tinctum, segmentorum m^arginibus posticis 

 sublus Jlavis ; pedes fulvi ; alee anticce fusca, maculis viltaque 

 limpidis macula fasciague fulvis, fasciaqu£ ruf a ornatis. 



Pitchy : head and chest flat, minutely punctured, clothed with 

 black down : head very slightly concave along the hind border. 



