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Galerucella calmariensis : ウィキペディア英語版 | Galerucella calmariensis
''Galerucella calmariensis'' is a species of leaf beetle in the family Chrysomelidae. It is commonly known as the black-margined loosestrife beetle and is native to Europe and Asia where both adults and larvae feed on purple loosestrife (''Lythrum salicaria'').〔(InvasivePlants.net )〕 It has been introduced in North America as a biological control agent for purple loosestrife. == Description == The black-margined loosestrife beetle is cylindrical in shape, mid brown, three to six millimetres long and half that width. When seen from above it often has two blackish lateral lines down either side. The eggs are spherical, white and usually topped with frass. The larvae are yellow speckled with black and resemble small caterpillars.〔(Midwest Biological Control News )〕
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「Galerucella calmariensis」の詳細全文を読む
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