Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
Details...

Photos from the 2009 gathering
 
Photos from the 2008 gathering in Tennessee
 
Photos from the 2007 gathering in Minnesota

TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Alderflies (Sialidae) » Nearctic Alderflies (Sialis)
Photo#18686
Alderfly - Sialis
Copyright © 2005 Tony DiTerlizzi

Alderfly - Sialis
Robert Frost Trail, Hampshire County, Massachusetts, USA
May 29, 2005
Size: ~11 mm
This one flitted about from tree to tree along a stream. This shot clearly shows the lack of ocelli.

Images of this individual: tag all
Alderfly - Sialis Alderfly - Sialis
tag · login or register to post comments
Contributed by Tony DiTerlizzi on 30 May, 2005 - 3:17pm
Last updated 5 January, 2006 - 12:38am

Genus Sialis
There is but one nearctic genus, Sialis, and I'll move these photos there.

Patrick Coin
Durham, North Carolina
… Cotinis, 5 January, 2006 - 12:38am login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2009 Iowa State University, unless otherwise noted.

Bugguide is hosted by Iowa State University Entomology.

Printer Friendly Version 		Terms of Use
Privacy Policy
Site Map
Contact