Order: Lepidoptera || Family: Pyralidae Scientific Name: Acrobasis vaccinii (Riley)
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A cranberry that has been split open, revealing a Cranberry fruitworm larva and its droppings/frass inside
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Another view of a cranberry that has been split open, and a Cranberry fruitworm larva and its droppings/frass
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Closer view of a cranberry that has been split open, revealing a Cranberry Fruitworm larva and its droppings/frass inside
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A Cranberry fruitworm larva and the cranberry from which it was removed
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A cranberry that has been split open, revealing a Cranberry fruitworm larva and its droppings/frass inside
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Two cranberries destroyed by Cranberry fruitworm
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A Cranberry fruitworm larva crawling on the outside of a green/unripe cranberry
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An early instar cranberry fruitworm larva inside a cranberry – 8/4/2016
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Magnified view of a cranberry fruitworm larva (viewed through a dissecting scope)
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A cranberry with both a visible entrance hole and an exit hole created by a Cranberry fruitworm larva (entrance hole is the smaller one, covered over with white silk webbing to protect the larva inside)
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Entrance hole in the side of a green cranberry, and covered over with silken webbing to protect the larva inside
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Closeup view (seen through a dissecting scope) of a cranberry fruitworm’s entrance hole that has been covered over with silken webbing in order to keep out any potential predators
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A Cranberry fruitworm egg, nestled securely into the calyx end of its cranberry host
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Three cranberry fruitworm eggs, and most likely all 3 have been parasitized because they are all dark in color (and because one of them is empty and yet there was no damage done to the berry)
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Close view of the head of a Cranberry fruitworm larva as it feeds on a cranberry
photos by C. Armstrong Life Cycle: Eggs: The Cranberry Fruitworm is a serious cranberry pest that deposits a total of approximately 50 eggs, singly*, in the calyx end–or blossom end (bottom end)–of berries while the berries are still green (moths will
