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''Vitacea polistiformis'', the grape root borer, is a moth of the Sesiidae family. It is found throughout the midwest of the United States, south to Florida and Texas.〔(Bug Guide )〕 It is the most serious threat to grapes in Florida. Adults are brown with thin yellow bands on the abdomen and resemble paper wasps. The front wings are brown while hind wings are transparent. The larvae feed on grape species. The eggs hatch on the soil surface and the larvae tunnels into the root system of their host plant. The damage causes reduces vine growth, smaller leaves and reduced berry size.〔(Insect Pests of Grapes )〕 ==Gallery== Image:Vitacea_polistiformis_larva.jpg|Larva Image:Vitacea_polistiformis_larva3.jpg |Larva Image:Vitacea_polistiformis_pupa.jpg |Pupa Image:Vitacea_polistiformis_mating.jpg |Mating 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Vitacea polistiformis」の詳細全文を読む スポンサード リンク
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