Roger S Key:
'Marmalade' hoverfly Episyrphus balteatus, Crowland, Lincs UK. Sept 1993
Roger S Key:
'Marmalade' hoverfly Episyrphus balteatus Crowland, Lincs, UK. Aug 2008
Roger S Key:
'Marmalade' hoverfly Episyrphus balteatus Crowland, Lincs UK. Aug 2004
Roger S Key:
'Marmalade' hoverfly Episyrpus balteatus - Nene Terrace, Lincs, UK. Aug 2008
Roger S Key:
'Marmalade' hoverfly Episyrpus balteatus - Nene Terrace, Lincs, UK. Aug 2008
Roger S Key:
Money Spider Linyphyia trangularis with Hoverfly Episyrphus balteatus Crowland, Lincs, UK
Roger S Key:
Hoverfly Syritta pipiens Crowland, Lincs, UK. Aug 2008
Roger S Key:
Sphaerophoria scripta male, Crowland, Lincs, UK. Aug 1991
Roger S Key:
Hoverfly Platycheirus clypeatus Crowland, Lincs, UK. Aug 2007
Roger S Key:
Hoverfly Chrysotoxum arcuatum Henderland Bank, Scotland, UK. July 1991
Roger S Key:
Hoverfly Chrysotoxum arcuatum Henderland Bank, Scotland, UK. July 1991
Roger S Key:
Bee-mimic Hoverfly Criorhina floccosa Elmley Castle, Gloucs, UK
Roger S Key:
Hoverfly Xylota segnis Windermere, Cumbria, UK
Roger S Key:
Hoverfly Volucella zonaria Crowland Lincs UK 23-8-08
Roger S Key:
hoverfly Volucella zonaria Crowland, Lincs, UK Aug 2008
Roger S Key:
Hoverfly Microdon myrmicae Mordon Bog, Dorset, UK June 2003
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
Narcissus Bulb Fly Merodon equestris Crowland, Lincs, UK 2008
Roger S Key:
Narcissus Bulb Fly Merodon equestris emerging puparium Crowland Garden May 2008
Roger S Key:
Hoverfly Volucella sp larva in wasps' nest Kent, UK Autumn 1999
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
recently established hoverfly Eristalis croceimaculata, Grytviken, South Georgia, January 2009
Roger S Key:
hoverfly Simosyrphus (Ischiodon) aegypticus, Rupert's Valley, St Helena, 14-4-2011