Vol. XXvii] ENTOMOLOGICAL NEWS. Ill 



Aphaenogastcr trcatae Forel. 



Aphacnogastcr lamcllidcns Mayr. 



Aphaenogastcr tc.tana Roger, var. carnlincnsis Emery. 



Pogonomyrmcx badins Latr. 



Lcptothorax curvispinosus Mayr. 



Trachymyrmcx scptentrionalis McCook. 



Subfamily DOLICHODERINAE. 

 Dolichodcnis (Hypoclinea) mariae Forel. 



Dolichoderus (Ilypoclinea) taschcnbergi Mayr. var. aterima Whir. 

 Dolichodcnis (Hypoclinca') plagiata Mayr. 

 Dorymyrmcx pyramicus Roger. 



Dorymyrmcx pyramicus Roger, var. flavus Pergande. 

 Dorymyrmex pyramicus Roger, var. nigcr Pergande Marion. 

 Tapinoma sessile Say. 



Iridomyrmcx pruinosns Roger, var. analis Andre. 

 Iridomyrmcx pruinosiis Roger, var. hitmilis Mayr. Charleston. 



Subfamily CAMPONOTINAE. 

 Prenolepis imparis Say, var. minuta Emery. 

 Prenolepis imparis Say, var. tcstacca Emery. 

 Lasins nigcr Linn., var. americanus Emery. 

 Lasius (Acanthomyops~) clavigcr Roger. 

 Lashis (Acanthomyops} intcrjccfus Mayr. 

 Formica pallidc-fuh'a Latr. subsp. schaufussi Mayr. 

 Formica fusca Linn., var. subscricca Emery. 

 Camponotus castancus Lat., subsp. americanus Mayr. 

 Camponotus castancus Latr. 



Camponotus herculeanus Latr., subsp. pennsylranicus DeGeer. 

 Camponotus fallax Nyl., var. ncarcticus Emery. 

 Camponotus fallax Nyl., var. dccipicns Emery. 



The species here given were found attending Aphis-maidi- 

 radicis, the corn and cotton root louse, by Prof. W. A. Thom- 

 as of this Division. 



Crcmastogastcr lincolata Say, var. 



Dorymyrmcx pyramicus Roger, var. niger Pergande. 



Solenopsis molcsta Say, var. 



Solcnopsis gcminata Fabr. 



Phcidolc dcntata Mayr. 



Phcidole morrisi Forel. 



Prenolepis sp. Emery. 



Pheidole rinclandica Forel. 



In this section Prenolepis imparis appears to be one of the 

 most numerous and hardiest of ants, as it has been active all 

 winter, though the winter here has not been severe. 



