THE CANADIAN ENTOMOLOGIST. 



131 



Stems with the flax-seed (pupa) in the centre of the stem. The larvae 

 live gregariously, according to Mr. A. Costa, but I have never found more 

 than four pupae at one joint. 



After all, it would be of prominent importance to compare the species 

 from Naples with specimens of the true Hessian fly, which was collected 

 there long ago by Prof. Dana. 



DETERMINATION OF THE 36 COLEOPTERA DESCRIBED 



BY D. ZIEGLER. 



BY SAMUEL HENSHAW, BOSTON, MASS. 



" Descriptions of New North American Coleoptera," Proc. Acad. 

 1844, V. 2, p. 43-47 j 1845, V. 2, p. 266-272. 



Oxyporus pulcher. 43 W. Pa. 



Diacanthus splendens. 44 n 



Scyrtes suturalis. Pa. 



Hydnocera? longicoUis. n 



5 Spercheus tessellatus. n 



Hydrophilus ovalis. 45 n 



Coprobius obtusidens. n 



Pandarus ? brunneus. n 



Cistela marginata. 46 w 



10 erythroptera. n 



Pedilus nigricans. m 



haemorrhoidalis. n 



ruficollis. 47 11 



marginicollis. u 



15 Monohammus tomentosus. n 



Oedionychis ? hispida. h 



Philonthus ater. 266 Pa. 



Tachinus puncticolHs. 267 n 



Phoenops luteosignata. Geo. 



20 Agrilus quadriimpressus. n 



Limonius deflnitus. 268 Car. 



= O. femoralis, Grav. 

 Belongs to Corymbites. 

 = S. orbiculatus, Fabr. 



= Belongs to Hydrobius. 

 Name || = H. ovatus, G. & R. 

 = Canthon laevis, Drury. 

 Belongs to Anaedus. 



= C. brevis, Say. 



= Corphyra lugubris, Say. 



elegans, Hentz. 



= 11 labiata. Say. 



= Goes tigrinus, DeGeer. 

 =^ Hypolampis pilosa, Illig. 



= Quedius capucinus, Grav. 

 = T. fimbriatus, Grav. ? 

 := Melanophila notata,L. & G. 

 = A. acutipennis, Mannerh. 



