72 INSECT ENEMIES OF THE BOLL WEEVIL. 



PTieidole crassicomis Emery. At Lampasas, Tex., September 23, 

 1908, Mr. Cushman found this ant a veiy abundant enemy of the 

 boll weevil. 



DOLICHODERIDiE. 



Forelius maccooki Forel. At Beeville, Tex., August 13, 1906, Mr. 

 C. R. Jones found a high mortality of the boll weevil due to tliis 

 species. Dr. Wheeler has recorded the fact that this ant prefers 

 bare, dry ground for its nests. The species also attacks Alabama 

 argillacea and Heliotliis obsoleta. On September 7, 1908, at Dallas, 

 Tex., Mr, F. C. Bishopp took specimens in the act of attack, and 

 September 21, 1908, Mr. Cushman took others at Llano, Tex., attack- 

 ing the weevil. 



Dorymyrmex pyramicus Roger, the "lion ant," protects solitary 

 tree cotton from the boll weevil in Cuba (Schwarz, 1905). 



Fig. 18. — The little red ant (Monomorium pharao7iis), a.n enemy of the boll weevil: 

 a, Female; b, worker. Enlarged. (From Riley.) 



Dorymyrmex pyramicus (Roger) var. flavus McCook. Tliis com- 

 mon ant of the cotton fields has only once been taken as an enemy 

 of the boll weevil, namely at Texarkana, Tex., by Mr. R. C. Howell, 

 but its abundance would make it a veiy important species if it 

 should develop a fondness for weevil larvae. It is an enemy of 

 Alabama argillacea and Helioihis obsoleta. 



Iridomyrmex analis Andre. Specimens of this ant were found 

 attacking the boll weevil by Dr. W. E. Hinds. Tliis species is nor- 

 mally a honey ant, but occasionally takes insect food. It is veiy 

 common in cotton fields, especially in Louisiana. 



Iridomyrmex humilis Mayr. The much-feared Argentine ant has 

 been taken attacking the boll weevil. It is, however, a friend to 

 the weevil because it exterminates Solenopsis geminata, Monomorium 

 pliaraonis,ajid Iridomyrmex analis (Foster, 1908). 



