Sulfonic Acid Esters as Chemosterilants of Screw-Worm Flies1 with Particular Reference to MethanedioI Dimethanesulfonate2

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Abstract:

Eleven esters of alkane and arenesulfonic acid were tested as chemosterilants of screw-worm flies, Cochliomyia hominivorax (Coquerel), by topical applications and multiple oral treatments to adults less than 24 hours old. By oral administration, 7 compounds were complete or nearly complete chemosterilants, but only few to moderate numbers of treated flies survived. By topical application, only methanediol dimethanesulfonate was completely effective; the other compounds were only slightly active.

When screw-worm flies were treated orally for I day or topically and mated with untreated flies, methanediol dimethanesulfonate was a highly efficient chemosterilant of males based on both survival and sterility. Orally treated males were as aggressive sexually as untreated males judged by the mortality of females resulting from harassment, and treated males competed sexually about as well as untreated males.

Document Type: Research Article

Publication date: April 1, 1968

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