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

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Taxonomy
Browse
InfoImagesLinksBooksData

Order Megaloptera - Alderflies, Dobsonflies, and Fishflies


Alderfly? - Sialis Alderfly - Sialis Alder Fly? - Sialis Dark insect by alpine lake - Sialis Stonefly? - Sialis Alderfly (Sialis) - Sialis Unidentified - Sialis Megalopteran ID request - Sialis

Is this a giant stonefly? Couldn't find one with Brown bug with white spots - Nigronia serricornis unidentified large flying insect - Corydalus cornutus Unknown Huge Dragonfly? - Dysmicohermes disjunctus Chauliodes - Chauliodes pectinicornis Protochauliodes spenceri Chauliodes rastricornis - male floating on a leaf in the pool - Chauliodes pectinicornis