Recovery of Penncap-M® from Foraging Honey Bees 1 and Pollen Storage Cells 2

Abstract
Foraging honey bees ( Apis mellifera L.), exposed to birdsfoot trefoil ( Lotus corniculatus L.) bloom treated with microencapsulated methyl parathion, continued to display pollen and midgut microcapsule contamination up to 9 days postspray. Nearly 10% of all pollen storage cells examined in combs taken from honey bee colonies exposed to the treated area were found to contain microcapsules.

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