NORTHUMBERLAND AND DURHAM. 65 



CYTILUS, Erich. 

 1. C. sericeus, Forst., 1. c. 



MORYCHUS, Erich. 

 1. M. ceneus, Fab., 1. c. 165. 

 Rare. Langleyford, and on the banks of the Irthing. 



SIMPLOCARIA, Steph. 

 1. S. semistriata, Fab., 1. c. 



HETEROCERID^. 



HETEROCERUS, Bosc. 



1. H. marginatus, Fab., 1. c. 269. 



2. H. sericans, Kies. ; H. pusillus, 1. c. 

 Very rare. "Camboise," Mr. John Scott. 



PARNID.E. 

 PARNIDES. 



PARNUS, Fab. 



1. P. prolifericornis, Fab., 1. c. I., 67. 



2. P. auriculatus, 111., 1. c. 



ELMLDES. 



LIMNIUS, Erich. 



1. L. tuberculatus, Mull., 1. c. 68; E. lacustris, 1. c. 



2. L. troglodytes, GylL, E. C. Rye, Ent. Ann. 1867, 77. 

 "Rothley Lake," Dr. Power. 



ELMIS, Latr. 



1. E. ceneus, Mull., Trans. CI. L, 68. 



2. E. Volkmari, Panz., 1. c. 



8. E. parallelopipedus, Mull., 1. c. 

 In the Tyne, Irthing, &c. "Wansbeck," Dr. Power. 



4. E. subviolaceus, Mull., Erich. 1. c. 531. 

 Whittle Dene. June. "In the Wansbeck," Dr. Power. 



