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The Baltimore checkerspot (''Euphydryas phaeton'') is a North American butterfly of the family, Nymphalidae. It has been the official state insect of the U.S. State of Maryland since 1973.〔(【引用サイトリンク】title=Maryland State Insect — Baltimore Checkerspot Butterfly )〕 During its period of growth, the checkerspot butterfly will search for a host plant for nourishment. Its native larval host is the white turtle head (''Chelone glabra''), but it has also to some extent made use of the introduced lawn weed English plantain (''Plantago lanceolata'') and other plants.〔(Euphydryas phaeton (Drury, 1773) ), ''Butterflies and Moths of North America''〕 Unlike most butterflies and moths, which overwinter as eggs, pupae, or sometimes adults, the Baltimore checkerspot overwinters as larvae. In late summer (sometime in July through September depending on latitude, weather, and other factors) the larvae spin a pre-hibernation web on a plant, stop feeding, and remain in the web. Several months later they leave this web and enter the litter (dead grass and leaves and so on) on the ground, where they spend the winter. File:Euphydryas phaeton larva.jpg|Caterpillar File:Baltimore Checkerspot, Shirleys Bay.jpg|Adult, Ottawa, Ontario ==References== 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「Baltimore checkerspot」の詳細全文を読む スポンサード リンク
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