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« Previous AbstractJuvenile hormone mimics as effective sterilants for the tsetse fly Glossina morsitans morsitans    Next AbstractIdentification of the sex pheromone of threeMatsucoccus pine bast scales »

Med Vet Entomol


Title:"Formulation of pyriproxyfen, a juvenile hormone mimic, for tsetse control"
Author(s):Langley PA; Felton T; Stafford K; Oouchi H;
Address:"ODA/University of Bristol, Tsetse Research Laboratory, Langford, U.K"
Journal Title:Med Vet Entomol
Year:1990
Volume:4
Issue:2
Page Number:127 - 133
DOI: 10.1111/j.1365-2915.1990.tb00269.x
ISSN/ISBN:0269-283X (Print) 0269-283X (Linking)
Abstract:"A topical dose, in 1 microliter acetone, of 0.02 microgram-2-[1-methyl-2-(4-phenoxyphenoxy) ethoxy] pyridine, the juvenile hormone mimic pyriproxyfen (S-31183, Sumitomo Chemical Co.), caused an adult female tsetse, Glossina morsitans morsitans Westwood, to produce non-viable offspring for the whole of her life. Using 14C labelled pyriproxyfen it was determined that as little as 0.001 microgram transferred to the in utero larva was sufficient to arrest development in the pupal stage. A formulation in vegetable oil was prepared for treating black cotton cloth targets which caused females to pick up 0.1 microgram active ingredient (a.i.) by tarsal contact during 1 min of exposure. Males exposed similarly for between 1 and 5 min transferred up to 0.016 microgram a.i. to females if they mated immediately after treatment. Doses as low as 0.01 micrograms in 10 microliters oil cm-2 on black cotton cloth targets caused females to produce non-viable offspring for at least two reproductive cycles following exposure. However, a dose of 0.1 microgram in 10 microliters oil cm-2 was necessary for an exposed male to cause disruption of the reproductive potential of his mate. This juvenile hormone mimic has potential to induce sterility via both sexes of tsetse using treated targets or traps under field conditions"
Keywords:Animals Female Fertility/drug effects *Insect Control *Insect Vectors *Juvenile Hormones Male *Pyridines *Tsetse Flies;
Notes:"MedlineLangley, P A Felton, T Stafford, K Oouchi, H eng Research Support, Non-U.S. Gov't England 1990/04/01 Med Vet Entomol. 1990 Apr; 4(2):127-33. doi: 10.1111/j.1365-2915.1990.tb00269.x"

 
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