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The Crambidae are the grass moth family of Lepidoptera (butterflies and moths). They are quite variable in appearance, the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies include brightly coloured and patterned insects which rest in wing-spread attitudes. In many classifications, the Crambidae have been treated as a subfamily of the Pyralidae or snout-moths. The principal difference is a structure in the ears called the praecinctorium, which joins two tympanic membranes in the Crambidae, and is absent from the Pyralidae. The latest review by Munroe and Solis, in Kristensen (1999), retains the Crambidae as a full family. ==Useful crambids== *Water hyacinth moth ''Niphograpta albiguttalis'', is used to control its host (''Eichhornia crassipes''), in Florida. *Water veneer, ''Acentria ephemerella'' is a biocontrol agent used against Eurasian watermilfoil *Bamboo borer, ''Omphisa fuscidentalis'', of which the caterpillars are used for human consumption (see entomophagy) 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「Crambidae」の詳細全文を読む スポンサード リンク
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