109 



superior to busulfan alone. 



203. ; Damn, R. J.; and McLaughlin, R. E. 1968. Development of a bait 

 for boll weevil control and ecological studies. Folia Entomol. Mex. 

 18-19: 25. (In Spanish). 

 Crude cottonseed oil and ground cottonseed have been found to contain attrac- 

 tants and feeding stimulants for the boll weevil. They have been formulated, 

 with other materials, to produce a bait. The effectiveness of the bait has 

 been measured by incorporating pathogens, a cheraosterilant, or a dye into 

 the formulation and observing the effects of boll weevil populations. The 

 pathogens, or the chemosterilant, greatly suppressed population build-up 

 when compared with an untreated check. Approximately 70-80% of a field 

 population became visibly marked when the bait contained a dye. Utiliza- 

 tion of the bait in conjunction with pathogens, or a dye, may provide 

 entomologists with a new tool in insect control, or I'or ecological studies, 

 respectively. 



20A. ; Hardee, D. D.; and Alcala, J. M. 1970. Long-range dispersal of 

 boll weevils determined with wing traps baited with males. J. Econ. 

 Entomol. 63: 1706-1708. 

 Between July 22 and 26, 1968, A9 plywood wing traps baited with male boll 

 weevils (Hardee et al. 1969b) were installed along the 200-niile stretch of 

 the Pan American Highwaj' from Juarez to Rancho California, about 12 miles 

 north of Chihauhua, Mexico. A distance of 65 miles in this 200-mile stretch 

 in which no cotton is grown provided opportunity to study long-range dispersal 

 of the boll weevil with wing traps baited with male boll weevils. The traps 

 were painted green, coated with the adhesive Stikeirf®, and each was baited with 

 5 laboratory-reared boll weevils sterilized with 9000 R radiation and fed 

 cotton squares (flower buds) or pellets of artificial medium (Cast and 



