HomeGuideID RequestRecentFrassForumsDonateHelp

Clickable Guide

Calendar

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of 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

Previous events

TaxonomyBrowse

Info

ImagesLinksBooksData

Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae) » Fishflies (Chauliodinae) » Neohermes

Genus Neohermes

Classification · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Season · Life Cycle · Remarks · Works Cited

Corydalus texanus? - Neohermes filicornis

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Megaloptera (Alderflies, Dobsonflies, and Fishflies)

Family Corydalidae (Dobsonflies and Fishflies)

Subfamily Chauliodinae (Fishflies)

Genus Neohermes

Synonyms and other taxonomic changes

formerly treated as part of genus Chauliodes

Explanation of Names

Neohermes Banks 1908

Neohermes = 'new' + Hermes (a related Old World genus)

Numbers

6 spp., all in our area(1)(2)(3)

1. Neohermes angusticollis: southeastern (GA, NC, SC)

2. Neohermes californicus: western (ne. CA, w. NV, s. OR)

3. Neohermes concolor: widespread eastern (AR, DC, DE, GA, IL, IN, KS, KY, MA, MD, MO, MS, NC, NJ, NY, OK, OK, PA, TN, ne. TX, va, vt)

4. Neohermes filicornis: western (AZ, coastal CA, NM)

5. Neohermes inexpectatus: CA

6. Neohermes matheri: MS

Size

head to wing tips 35-55 mm, body 25-35 mm, wingspan 85-105 mm

Identification

Body and wings dark, wings mottled gray. Antennae moniliform (versus pectinate or serrate in Chauliodes), in males with ring of erect hairs on each segment

hind wing venation different from Chauliodes

key to eastern spp. in(2) (adult males)

Range

nearctic genus (3 spp. in e. US + 3 spp. in w. US)(1)(3)

Habitat

appear to prefer streams (versus Chauliodes prefer still water)

Season

N. concolor in OK: Jun-Aug; N. angusticollis Piedmont in NC: Jun(4); N. californicus in n. CA: May(5)

Life Cycle

Larvae in leaf litter at bottom of small streams. N. californicus is known to wait out dry seasons buried in mud as first instar larva.

Remarks

N. concolor is the only widespread species in the East. N. angusticollis is known from NC, SC, and GA; N. matheri only from MS.(2)(3)

A new 6th species, N. inexpectatus from California was described in 2016.(3)

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.	Variation in the terminalia of Neohermes concolor with a key to males of Neohermes in eastern North America Bowles D.E., Mathis M.A. 1992. Insecta Mundi 6: 145-149.

3.	A New Fishfly Species (Megaloptera: Corydalidae: Neohermes Banks) Discovered from North America by a Systematic Revision Xingyue Liu & Shaun L. Winterton. 2016. PLoS ONE 11(2): e0148319.

4.	Insects of North Carolina C.S. Brimley. 1938. North Carolina Department of Agriculture.

5.	California Insects Jerry A. Powell, Charles L. Hogue. 1989. University of California Press.

Contributed by Cotinis on 10 November, 2004 - 5:41pm
Additional contributions by Robin McLeod, anitagould, v belov, PaleoJon
Last updated 30 May, 2022 - 7:13pm

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 © 2003-2023 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Printer Friendly Version