LIST OF HOMOPTEBOIJS 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. PtyKLUS INTEIinUPTDS. 



Castaneus ; caput albo himaculalum, antice ferrugineum ; pedes 

 fulvi ; aim anticce Jlavo interrupt^ bifascialm. 



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

 nutely punctured : head ferruginous 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 : inoutli 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 J lines ; of the wings 10 lines. 

 a. Columbia. From M. Jurgens' collection. 



26. PtYELCS CONCOI.OB. 



Testaceus, depressiu ; fades ad discum nigra ; abdomen sublus 

 nigricans; alee posticce limpidm. 



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 whicli 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. 



Flams, nigra sexvittatus ; pectus disco nigrum; abdomeii.piceum, 

 fulvo fasciatum et nnivittalum ; alee anlica: fuscre, angustce, 

 albo bim.aculat(C, albido quadrinotaltc. 



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

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

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



