EFFECT OF PYRIPROXYFEN ON LIPID AND CHOLESTEROL CONTENTS IN THE LAST INSTAR NYMPHS OF SCHISTO-CERCA GREGARIA (FORSK.)

Document Type : Original Article

Authors

1 Locust Research Department, Plant Protection Research Institute, Dokki, Giza, Egypt

2 Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt

3 Faculty of Science (Girls) Al-Azhar University, Cairo, Egypt

Abstract

Application of 100, 50, and 25 ug/nymph pyriproxyfen to the 5th instar nymphs of Schistocerca gregaria had remarkably reduced lipid and cholesterol contents in their haemolymph and fat bodies. This re­duction was accompanied with a 2 days prolongation in the last stadium. It was therefore, concluded that pyriproxyfen plays the same role of juvenile hormone in suppressing lipid and cholesterol contents in the desert locust.

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