![]() Hym:Tenthredinidae
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Heterarthrus
vagans (Fallen, 1808)
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Food Plant: Alnus glutinosa (Alder) and Alnus cordata (Italian Alder) Mine: Univoltine: autumn. Pupa: Inside mine in a disc shaped cocoon (as shown). Notes: A large blotch that normally starts at the margin, where some or much frass is ejected. Local and uncommon. Under-recorded due to being masked by the more common Fenusa dohrnii. H.vagans mines are generally single whereas F.dohrnii can be multiple. Data: 02.x.2004, Fleet, Hants, VC12 Image:© Rob Edmunds |
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sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists |
www.leafmines.co.uk |