Effect of the Insects Growth Regulator Alsystin, on non-target Insects (Coleoptera, Tenebrionidae) in the Red Sea Coast of Sudan

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Date
2015-06-15
Authors
Bashir Issa Abd-Elrazeg, Abdalla
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UOFK
Abstract
The study aimed at investigating the impact of the insect growth regulators (IGRs) Alsystin (which was used in the control of desert locust (Schistocerca gregaria Forskal) in winter breeding area of the Red Sea Coast) on non-target insects of the family Tenebrionidae from the order Coleoptera. The trials were carried out in the laboratory of ICIPE field station, Port Sudan. The Alsystin insecticide was applied under field condition, using the spiny disc-micro- ULUA + sprayer at the recommended dose O.375L/ha (18.75g.a.i/ha) to the tenedbrionids foods which include the dry bread and the wheat brans. The trials included the impact of the topical application and treated food with Alsystin on: (1) the mortality of the caged tenedbrionids species and (2) the impacts on tenedbrionids feeding rate. The adverse impact of Alsystin on the survival and feeding rate of tenedbrionids was generally more obvious in the topical application test than treated food due to the efficacy of Alsytin through the topical application of tenebrionids body. The survival and feeding rate of the species Trachyderma hispida was affected adversely by the topical application test than the species Adesmia antique. The treated food treatment exerted non-significant effects on the mortality and feeding rate of the two species of tenebrionids, Trachyderma hispida and Adesmia antique. Malformation was noticed on both species due to topical application treatment. The species Trachyderma hispida showed high number of malformed insects than the species Adesmia antique.
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Effect of the Insects Growth Regulator Alsystin, on non-target Insects
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