542 STATE BOARD OF AGRICULTURE. 



LASIUS Fabr. 



L. brevicornis Emery. "New Jersey" (Em). 



L. brunneus Latr. This is the ant that gathers and stores the eggs of the 



corn-root louse in winter, colonizing the aphid upon the roots in spring. 

 L. flavus DeG. Caldwell (Cr), New Jersey (Em). 

 L. niger Linn. Caldwell (Cr). 

 L. umbratus Nyl. Caldwell (Cr). 



var. mixtus Nyl. "New Jersey" (Em). 



var. minutus Em. " New Jersey " (Em). 

 L. speculiventris Em. " New Jersey " (Em). 

 L. alienne Forst. Lahaway, May (Sm). 



ACANTHOMYOPS Mayr. 



A. claviger Rog. Caldwell (Cr), "New Jersey" (Em), Camden County, 



VIII, 1 (Jn). 

 A. latipes Walsh. " New Jersey " (Em), Camden County. 

 A. interjectus Mayr. Caldwell (Cr). 



FORMICA Linn. 



F. exsectoides Forel. " New Jersey " (Em), Philadelphia. 



F. fusca Linn. Caldwell (Cr), New Brunswick, VII, 20 (Sm), Staten Island 



(Ds). 



var. subaenescens Em. New Jersey (Em). 



var. neogates Em. Pennsylvania, New York (Em). 

 F. integra Nyl. Caldwell (Cr), Philadelphia, IV, 14 (U S N M), is one of 



the slave-making ants (Ds). 

 F. occiclentalis Buck. New Jersey, probably. 

 F. rufa Linn. Caldwell (Cr), not uncommon throughout the State. 



var. obscuriventris Mayr. New Jersey (Em). 

 F. sanguinea Latr. Camden County, VII, 12, "New Jersey " (Cress, Coll). 



var. rubicauda Emery. Pennsylvania (Em). 



var. sub integra Emery. New Jersey (Em). 



var. obscuripes subsp. difficilis Emery. New Jersey (Em). 

 F. pallidefulva Latr. "New Jersey," Camden Co., VII, (Fox). 



var. schaufussi Mayr. Caldwell (Cr), New Jersey (Em), Camden Co.,. 

 VII, 7, DaCosta (Fox). 



var. incerta Em. New Jersey (Em). 

 F. rubibarbis Fabr. Philadelphia (Fox). 



POLYBRGUS Latr. 



P. rubescens Latr., subsp. lucidus Mayr. Camden Co., VI, 28, Clementon, 

 rare (Fox). 





