CATALOGUE OF INSECTS. 541 



TAPINOMA Forst. 



T. sessile Say. Camden Co., VIII, 23, South Jersey, common (Fox), Cald- 

 well (Cr), throughout the State. 



DORYMYRMEX Mayr. 

 D. pyramicus Roger. South Jersey, common. 



Family XLIX FORMICIDiE. 



These ants have only one segment in the peduncle between thorax and 

 abdomen, no constriction between the abdominal segments and no sting in the 

 females and workers. They are the most common of our species. 



CAMPONOTUS Mayr. 



C. castaneus Latr. Caldwell (Cr). 



C. pennsylvanicus DeGeer. Caldwell (Cr). This is the large black car- 

 penter ant that occurs throughout the State in stumps, logs and dead 

 branches of trees. 



C. lateralis Oliv. New Jersey, probably. 



C gagates Latr. New Jersey, probably. 



O. marginatum Latr. Camden Co (Fox), Caldwell (Cr). 



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

 var. minutus Em. New Jersey (Em). 



C. noveboracensis Fitch. Vineland (Ashm). 



C. melleus Say. Staten Island, nest made under stones (Ds). 



C. pictus Forel. Camden Co. (Fox). 



PLAGIOLEPIS Mayr. 

 P. longicornis Latr. Common in houses in New York (Pergande). 



BRACHYMYRMEX Mayr. 

 B. heeri Forel. New Jersey (Em). 



PRENOLEPIS Mayr. 



P. imparis Say. New York (Em), Caldwell (Cr), Camden Co., VIII, 23. 



South Jersey, common (Fox). 

 P. vividula Nyl. New Jersey, probably. 



