description Grapeleaf skeletonizer Overview
The grapeleaf skeletonizer, Harrisina americana, is a day-flying burnet moth in the family Zygaenidae and is native to parts of North America. Its caterpillars feed in groups on grape leaves, initially consuming the tissue between the veins and later leaving a characteristic skeleton of veins. The host plants include wild and cultivated grapes in the genus Vitis, so heavy infestations can reduce leaf area and interfere with the health and yield of vineyards.
help Grapeleaf skeletonizer FAQ
What is the scientific name of the grapeleaf skeletonizer?
The grapeleaf skeletonizer is Harrisina americana. It is a day-flying burnet moth in the family Zygaenidae.
Why is the grapeleaf skeletonizer called a skeletonizer?
Its caterpillars first eat the tissue between the veins of grape leaves. The remaining veins create a skeleton-like leaf pattern, especially when groups of larvae feed together.
What plants do grapeleaf skeletonizer caterpillars attack?
The caterpillars primarily feed on grape leaves, including cultivated and wild grape plants. Their group feeding can remove much of the leaf tissue and reduce the plant's ability to photosynthesize.
Is the grapeleaf skeletonizer a moth or a butterfly?
It is a moth, not a butterfly, despite flying during the day. Harrisina americana belongs to Zygaenidae, the burnet moth family, and is native to parts of North America.
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