HYMENOPTERA FOEMICIDAE LASIUS NIGER. 



5. CAMPONOTUS VICINUS?, Mayr. 

 Camponotus vicinus, MAYR, None Formic., 1870, 940. 



Connecticut, Virginia, New Mexico, and California. 



731 



Worker very like C. ligniperda and C. herculanea. Differs only in having 

 the mandible 5-6 dentate and clypeus distinctly carinate and moderately 

 protracted before. 



LASIUS, Fabr. 

 Lasius, FABR., Syst. Piez., 1804, 415. 



1. LASIUS ALIENUS, Foerst. 



Formica aliena, FOERST., Hym. Stud., i, 1650, 41, , 9 , $ . 

 Lasius alienus, MAYR, Eur. Form., 50. 



Southern and Middle Europe. 



2. LASIUS CLAVIGEE, Kog. 



Formica clavigera, ROG., Berl. Ent. Z., 1862, 241, 9 , Petin. 



Acanthomyops daviger, MAYR, Myr. Stud., 1862. 



Lasius claviger, MAYR, Neue Form., 1870, 950, $, 3 , Gt., N. Y. 



Connecticut, New York, and Pennsylvania. 



3. LASIUS NIGER, Linn6. 



Formica niyra, LINNE, Fauu. Suec., 1723. 



Lasius nif/er, FABR., Syst. Piez., 415. 



Formica fusca, FORST., Hymen. Stud., i, 33, 5, 5 , <J . 



Formica pallescens, SCHENK, Jahrb. Beschr. Nass., 1852, 55, 



All of Europe, Madeira, and North America. 



, 9 , $ . 



