HYMENOPTEEA-ACULEATA. 371 



enclosed in silken cocoons. The nests of this family 

 usually contain more myrmecophilous Coleoptera than 

 those of other ants, the most frequented being those of 

 F. rufa, L. fuliginosus and L. flavus. The Formicidce so 

 far observed in our district are : — 

 Formica, Linn. 

 F. rufa, Linn. — Only noted so far in Delamere Forest, 



E.C.T., and Dunham Park, J.E.H. 

 F. fusca, Latr. — Common in the district. 



race cunicularia, Latr. — Taken at Greenfield, B.C. 

 Lasius, Fab. = Formica, pars., Smith. 

 L. fuliginosus, Latr. — Hoylake and West Kirby ; Dela- 

 mere and Bowden, B.C., Bolton district, C. E. 

 Stott. 

 L. niger, Linn. — Our common garden ant. 

 L. umbratus, Nyl., brunneus, Sm. — Bowden, B.C. 

 L. flavus, De Geer. — Abundant everywhere. The large 

 Aphis Paracletus cimiciformis in its nests at 

 Delamere, R.N. 



PoNERLDiE. 



Another family of Mining Ants, forming nests in the 

 earth (P. contracta) and in houses (P. jjunctatissima). 

 Ponera, Latr. 

 P. contracta, Latr. — Once near Manchester, B.C. 



Myrmicidje. 



Very similar in habits to the Formicidce, generally 

 excavating nests either in the ground (M. rubra, T. 

 caisjritum, and sometimes L. acervorum and L. tuberum), or 

 in wood (L. acervorum, L. tuberum and sometimes M. 

 rubra). One species, however, Formicoxenus nitidulus, 

 lives in the nests of F . rufa, and another, Solenopsis 

 fugax, burrows in the walls of the dwellings of various 



