Toxic effects of a commercial formulation of ...



Title Toxic effects of a commercial formulation of fenoxycarb against adult and egg stages of the eastern spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae)
Author(s) R. Gordon
Journal Canadian Entomologist
Date 1995
Volume 127
Issue 1
Start page 1
Abstract Greenhouse trials were conducted to evaluate the effect of treating adult and egg stages of Choristoneura fumiferana with Insegar, a water-based commercial formulation of the juvenile hormone analogue fenoxycarb, or with water (controls) at droplet sizes and densities comparable to those achieved through aerial spraying of field populations. When adult moths were sprayed with the juvenoid at dosages equivalent to 15.5, 155.4 and 310.8 g a.i./ha, approximately 90% of the eggs that were subsequently laid failed to hatch. The efficacy of the compound (60% suppression of egg hatch) was not as high when the egg stages were sprayed directly at 15.5 and 155.4 g a.i./ha. Insegar did not affect the egg productivity of the moths..

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