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- Cambridge 20 Aug 2001
- Adults and larvae both feed on leaves of cereal crops and may become a pest.
- Synonym: Lema melanopa
- Identification is sensu lato: the species O. melanopus (Linnaeus, 1758) and O. rufocyanea (Suffrian, 1847) can only be distinguished
by dissection. O. rufocyanea is believed to be the commoner in Britain.
- Larger scale image
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