OBSERVATIONS OS THE MYRMECOPHILOUS COLEOPTERA. 95 



riches already discovered, to offer a substantial stimulus to 

 those who may feel disposed to turn their attention to this 

 most interesting inquiry. And, in conclusion, I earnestly 

 invite those who may meet with any difficulty to address me ; 

 and I give them the assurance that my best efforts shall be 

 exerted to smooth the path, and such information as I possess 

 be most cheerfully communicated. 



A List of the Myrmecophilous Coleoptera at present known 

 to inhabit Britain, together icitJi an indication of the Species 

 of Ant icith which they are usually found associated. 



Trichonyx ? . . . 



Claviger testaceus, Preyssl. 

 Myrmedonia canaliculate, F. . 



limbata, Payk. . 



humeralis, Grav. 



cognata, Maerk . 



funesta, Grav. . 



laticollis, Maerk. 



higens, Grav. 



Haworthi, Steph. 



collaris, Payk. . 



Homalota flavipcs, Grav. . . 



confusa, Maerk. 



anceps, Eric. . . 



Oxypoda vittata, Maerk. . . 



hsemorrhoa, Sahib. 



formiceticola, Maerk. 



Aleochara ruficornis, Grav. 

 Thiasopbila angalata, Eric. 

 Homoeusa acuminata, Maerk.* 

 Dinarda Maerkelii, Kiesw. 

 Loruechusa strum osa, F. . . 



Formica flava. 



flava, and fusca. 



flava, and Myrmica 



rubra. 

 flava, and fuliginosa. 



rufa. 



fuliginosa. 



fuliginosa. 



fuliginosa. 



fuliginosa. 



rufa .' 



Myrmica rubra? 

 Formica rufa. 



fuliginosa. 



rufa. 



fuliginosa. 



rufa. 



rufa. 



fusca. 



rufa. 



fusca. 



rufa. 



rufa. 



* In Germany this species appears to be found with Formica fuligi- 

 nosa exclusively. 



