[Syrphidae] Re: Migrant Syrphidae in Eire/British Isles?

Roger Morris roger.morris at dsl.pipex.com
Fri Jun 14 11:46:55 BST 2013

Hello James

H. pendulus is a bit of a wanderer but not migratory to any great level. 
H. trivittatus is regarded as a migrant but I suspect it is resident 
much of the time but wanders. H. hybridus is a good deal more faithful 
to breeding sites. There are several species that occur as vagrants or 
whose biology is too poorly known to judge whether they are vagrants or 

Hope this helps


On 14/06/2013 11:18, James Alan Wolstencroft wrote:
> Dear All,
> 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.
> Many thanks,
> JW
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