[Syrphidae] Migrant Syrphidae in Eire/British Isles?
James Alan Wolstencroft
gonolek at gmail.com
Fri Jun 14 11:18:37 BST 2013
To what extent is it known (or 'supposed') whether Helophilus spp are long distance migrants e.g. in or to Eire/BI?
I was on a thrift covered cliff-top, on westernmost Dursey Island, off westernmost Cork, last week and noticed an apparent arrival of Helophilus in association with relatively small numbers of various migrant Lepidoptera.
No Episyrphus balteatus however, and few Eristalis spp.
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