Munncdunia.] staphylinid^ 57 



1«. funesta, Grav. A sliiiiing black species, wliieli in colour and 

 gvneral appearance very nmcli resembles the ant witli whicli it is in- 

 variably associated—/'. /w//f//??osa— particularly when it is alive ; the 

 autennge arc reddish brown, gradually thickened towards apex, with the 

 ]H'nu]timate joints moderately transverse ; thorax about half as broad 

 again as long Avith sides rounded in front and contracted behind, finely 

 punctured; elytra about as broad, and hardly as long as, thorax, very 

 finely punctured ; hind body entirely smooth and [shining ; legs pitchy 

 with tibiae, and often tarsi, lighter. L. 5-5| mm. 



Male with dorsal plate of seventh segment of hind body broadly 

 truncate and finely and obsoletely crenidate on apical margin, thorax 

 broadly furroAved before scutellum. 



Not uncommon in the Loudon district aud the south, but is not found furtlier 

 north. 



!«. humeralis, Grav. A large and conspicuous species; pitchy 

 brown, Anth the thorax often lighter, and the elytra and base of hind 

 body more or less broadly testaceous ; head thickly punctured, antennae 

 reddish broAvn with the base and more or less of apical joint lighter, 

 penultimate joints somewhat strongly transverse, last joint as long as the 

 tAvo preceding ; thorax aljout half as broad again as long, Avith sides 

 rounded in front, and slightly contracted in almost a straight line to 

 base, very finely punctured ; elytra about as long as thorax, very finely 

 punctured ; hind l)ody Avith three or four basal segments and the apex testa- 

 ceous, entirely smooth ; legs testaceous or reddish testaceous. L. 6 mm. 



Male Avith the seventh dorsal segment of hind body truncate and 

 obsoletely crenulatc on apical margin, thorax broadly furroAved before 

 scutellum 



In ue^ts or Formica rvfa, and has been recorded from nests of F.fuUginosa, but 

 the hitter habitat appears doubtful ; rather common in tlie London, Southern, and 

 Widhmd districts; Yorkshire, Scarborough, &c. ; Scothind, local, Tay and Dee 

 districts. 



!«. coffxiata, Maerk. A darker and more dusky-looking species 

 than the preceding, and smaller, pitchy-black or brown with the shoulders 

 of elytra and the apex of the basal segments of hind body testaceous ; 

 antennae entirely reddish, with the basal joint a little lighter, with penul- 

 timate joints strongly transverse, more so than in the preceding species ; 

 thorax half as broad again as long, with sides more rounded than in 

 M humemUs; elytra about as long as thorax, and, together with it, 

 very finely punctured; hind body almost entirely smooth; legs ferrugi- 

 nous. L. 5 mm. . , • , i i i n 



T^lale with the dorsal plate of seventh segment of hind bo<ly broadly 

 and feebly emarginate and obsoletely crenulate, thorax with an obsolete 

 longitudinal furroAV. 



In nests of Formica f„lh,!»osa ; very local, but souiefimes not uncommon where it 

 occurs; it has onlv hcen fuuud iu the Loudon district; Micklehani, Croydon, iilgatc 

 Fortst, aud Toubridge, 



