NEW BRITISH SPECIES, ETC., IN 1871. 63 



much narrowed behind, v\'hilst its punctuation is dense and 

 strong, and its pubescence conspicuous. 



40. Ptenidium Kraatzii, Matthews, Ent. Mo. Mag., viii, 



152 (diagnosis). 



Differs from P. formicetorum in its longer and narrower 

 shape, smaller size, and much deeper sculpture, especially on 

 the head and thorax. 



Mr. Matthews has two examples of this insect, taken by the 

 late Mr. Foxcroft in Scotland. 



41. Ptenidium atomaroides, Mots., Bull. Soc. Imp. 



Nat. Mosc, 1868, 1^0 {atamaroides)-, Rev. A. Mat- 

 thews, /. c. 

 Readily distinguishable from P. evanescens by the smaller 

 size of its head and thorax, and much longer and broader 

 elytra. 



Taken by Mr. Crotch (near Brandon, in Suffolk, as 

 Mr. Matthews believes). Motschoulsky records it from 

 Madeira, Catarro, and Russian Georgia. 



42. Trichopteryx fuscula, Matthews, /. c. (diagnosis). 

 Short, quadrate, covered with long brown hairs. Differs 



from T. hrevis in its parallel form and long slender antenna. 

 Taken by Mr. Matthews near Gumley. 



43. Trichopteryx longula, Matthews, /. c. (diagnosis). 

 Differs from T. jyicicornis in its shorter and narrower 



thorax, longer and more slender antennae, and closer and 

 finer sculpture. 



Taken by Mr. Matthews at Leicestershire, and by Mr. 

 Wollaston near Tonbridge. 



