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Order Megaloptera - Alderflies, Dobsonflies, and Fishflies

Bug on my front porch in Easton PA.  July 5th and 6th.  It stayed in place on the brick for 2 days. - Corydalus cornutus Aquatic larva - Chauliodes unknown species of Dobson fly? - Chauliodes pectinicornis Nigronia serricornis Unknown - Corydalus cornutus - female Long Green Fly l No ID - Chauliodes rastricornis Neohermes concolor ??? - Neohermes Corydalus texanus ? - Dysmicohermes disjunctus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Megaloptera (Alderflies, Dobsonflies, and Fishflies)
Synonyms and other taxonomic changes
Formerly treated as a part of Neuroptera
Explanation of Names
Greek megalo 'large, great' + pteron 'wing'
Numbers
43 spp. in 8 genera of 2 families in our area(1)(2)
Identification
key to larvae & adults of the eastern spp.(3)
Life Cycle
Holometabolous, complete metamorphosis. Larva may take 1 to 5 years to complete development.
See Also
other Neuropterida: Raphidioptera, Neuroptera
Print References
(4)(5)
Internet References
(6)
Works Cited
1.Species catalog of the Neuroptera, Megaloptera, and Raphidioptera of America North of Mexico
Penny N.D., Adams P.A., Stange L.A. 1997. Proc. Calif. Acad. Sci. 50: 39-114.
2.Neuropterida Species of the World catalogue (by J.D. Oswald)
3.Bright E. (2002-2011) Aquatic Insects of Michigan
4.A preliminary survey of the Megaloptera of Oklahoma
Arnold D.C., Drew W.A. 1987. Proc. Okla. Acad. Sci. 67: 23-26.
5.Alderflies, fishflies and dobsonflies (Insecta: Megaloptera) of the Interior Highlands, U.S.A.
David E. Bowles and Robert W. Sites. 2015. Transactions of the American Entomological Society, Vol. 141. Issue 3, pp. 405-429.
6.Beckemeyer R.J. Neuropterida (Neuroptera, Megaloptera and Raphidioptera) of Kansas