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Black-horned sawfly on Cornish coast

Observed: 15th April 2011 By: Nick UptonNick Upton’s reputation in InvertebratesNick Upton’s reputation in InvertebratesNick Upton’s reputation in InvertebratesNick Upton’s reputation in Invertebrates
Black-horned sawfly
Black-horned sawfly
Description:

Seen feeding on Alexanders on same coastal path in 2010 (one) and 2011(several)

Identifications
Species interactions

No interactions present.

Comments

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Zaraea /Abia lonicerae

My ID has been confirmed by Sawfly experts D and JP Balmer on www.hymis.de who say: "Yes Abia (= Zaraea) lonicerae (Linnaeus 1758) according to the thickening of the segments of the antennae."

Nick Upton, naturalist and photographer.