Alder fly, photographed 30 May 2005 by B Crowley
Alderfly (Sialis lutaria)
(30 May 2005)
Alderfly
Group: Insects
Order: Megaloptera
Family: Sialidae
Species: Sialis lutaria
Common Name: Alderfly
Author: B Crowley
Location: Thrupp Lake
Permanent link to this article: http://www.radleyvillage.org.uk/nature-post/alderfly/
