183 



normal nor sterilized testes. Weevils fed longer periods were progressively 

 more f.terile, showed progressively more damage, and took on the pattern of 

 stainiig of sterilized testes. 



352. Hayes, D. K. ; Schechter, M. S.; Mensing, E. ; and Horton, J. 1968. Oxygen 

 uptake of single insects determined vrLth a polarographic oxygen electrode. 

 Anal. Biochem. 26: 51-60. 



When the oxygen uptake of live insects was determined by using a polarographic 

 electrode and a buckout circuit was placed in series with commercially avail- 

 able equipment, small changes in oxygen tension could be detected at a sensi- 

 tivity 100-fold greater than that provided by the unmodified instruments. 

 The test was made by placing the insect in a closed chamber so designed that 

 the oxygen utilization of insects weighing betwean 60 and 500 mg could be 

 measured. The rates of respiration of four species of insects determined by 

 this method were in good agreement with those obtained by other investigators 

 with manometric techniques. 



353. Haynes, J. W. 1978. The effect of dif lubenzuron plus busulfan or 

 apholate on the mass-reared ebony strain of boll weevils. J. Ga. Entomol. 

 Soc. 13: 256-260. 



When female Anthonomus grandis Boheraan from a mass-reared ebony strain were 

 dipped four times on O.A% dif lubenzuron and mated with untreated males the 

 F. adult emergence was only 3%. Weevils fed 0.1% busulfan treated diet for 

 4 days or in combination with 0.^7^ dif lubenzuron plus two dips of 2.5% apho- 

 late reduced adult emergence to 5% in treated males with untreated females. 



354. ; Davich, T. B.; Mitlin, N.; and Sloan, C. E. 1971. Shipment of 

 large numbers of boll weevils in small containers. J. Econ. Entomol. 



^ 64: 325-327. 



No appreciable mortality was observed in 4-8 hr anesthetized weevils; the mor- 



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