LIST OF HOMOPTEROUS INSECTS. 715 



lively free from punctures: hind-wings almost colourless; veins 

 tawny. Length of the body 3 lines ; of the wings 7^ lines. 



a. Nova Scotia. From Lieut. Redman's collection. 



^ 25. Ptyelus interroptus. 



Castaneus ; caput alho bimaculatum, antics ferrugineum ; pedes 

 fuh'i ; alee anticce Jiavo interrupte bifasciatcs. 



Nearly allied to P. ocelUgera. Chestnut colour, shining, mi- 

 nutely punctured: head ferruoinous in front, slightly depressed on 

 each side, with two whitish spots near the hind border between the 

 eyes and the eyelets ; face smooth, ferruginous, very convex ; ridges 

 on each side oblique, very slight : mouth and legs tawny : chest 

 transversely rugulose : fore-wings adorned with two interrupted an- 

 gular yellow bands : hind-wings grayish ; veins black, tawny towards 

 the base. Length of the body 4^ lines ; of the wings 10 lines. 



a. Columbia. From M. Jurgens' collection. 



^ 26. Ptyelus concolor. 



Testaceus, depressus ; fades ad discum nigra ; abdomen subtus 

 nigricans; alcB posticce limpideB. 



Testaceous, very minutely punctured, covered with pale down : 

 head and chest flat : head concave along the hind border, more con- 

 vex in front ; disk of the face black, with a broad shallow furrow, 

 on each side of which are nine hardly oblique ridges : mouth and 

 underside of abdomen blackish : hind-wings colourless ; veins 

 tawny, paler towards the base. Length of the body 4 lines ; of the 

 wings 9 lines. 



? 



27. Ptyelus sexvittatus. 



Flavus, nigro sexvittatus ; pectus disco nigrum; abdomen piceum, 

 fu ho fas datum et univittatum ; alee anticce fuscce, angustce, 

 albo bimaculatce, albido quadrinotatcB. 



Yellow, shining: head and chest flat, minutely punctured, 

 adorned with six black stripes: head concave along the hind border, 

 almost conical in front ; its length less than half its breadth ; face 



