ANTS WHICH PKEY UPON THE WEEVIL. 



71 



fields. It is recorded in the Dallas collection as attacking the boll 

 weevil at Llano, Lampasas, Albany, Henrietta, Arlington, and Dallas, 

 Tex., Ruston, La., and Roxie and Port Gibson, Miss. The species 

 has been taken attacking the immature stages of Trichobaris com- 

 pada, Anthonomus alhopilosuSy and Anthonomus fulvus . It generally 

 attacks these weevils as well as the boll weevil on the plant, entering 

 the infested bud or square in search of its food. 



Monomorium pJiaraonis L. This cosmopolitan house ant {fig. 18) 

 is another of the most important boll-weevil enemies, being very 



Fig. 17. — The little black ant {Monomorium minimum), an enemy of the boll weevil: a, Fe- 

 male; b, same with wings; c, male; d, workers; e, pupa; /, larva; g, egg of worker. 

 Enlarged, (From Marlatt.) 



abundant in the cotton fields of certain sections. It is represented 

 in the Dallas collection as attacking the boll weevil at Victoria, Tex.; 

 Fosters, Ruston, and Monroe, La., and Camden, Ark. It also 

 attacks the weevil on the plant. In southern Louisiana it is being 

 exterminated by the Argentine ant {Iridomyrmex Tiumilis). 



PTieidole sp., nesbr Jlavens, At Arlington, Tex., August 31, 1908, 

 Mr. Cushman found abundant evidence of the control of the boll 

 weevil by this species. It attacks the weevil larvse both on the 

 plant and on the ground. 



