Header image
Enter a name
Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

The Mystery Creek # 294 in Wyoming

Stream photos

Featured on the forum
Re: Trico emergers
In the Mayfly Genus Tricorythodes by Bwoklink (Martinlf replied)
Re: Trico Tips
In the Mayfly Genus Tricorythodes by Martinlf
Re: UV spectrum and trout
In General Discussion by Martinlf
Re: closing the gender gap in flyfishing
In General Discussion by Konchu (Smallflyguy replied)
Re: Fishing Kupa River, Slovenia
In Fishing Reports by Slocum (Fish1 replied)
Isoperla (Stripetails and Yellow Stones) Stonefly AdultIsoperla (Stripetails and Yellow Stones) Stonefly Adult
Dorsal view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) Stonefly Adult from Mystery Creek #308 in Washington
9 Recently Added Photos
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Hellgrammite Species Nigronia serricornis (Fishflies)

This is an especially abundant dobsonfly species in my collections.

Where & when

In 98 records from GBIF, adults of this species have mostly been collected during June (32%), May (30%), July (20%), and April (13%).

In 26 records from GBIF, this species has been collected at elevations ranging from 295 to 5279 ft, with an average (median) of 1926 ft.

Specimens of the Hellgrammite Species Nigronia serricornis

1 Male Adult
Male Nigronia serricornis (Fishfly) Hellgrammite Adult
10 Pictures
Lateral view of a Male Nigronia serricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Brodhead Creek in Pennsylvania
Added by Troutnut on June 4, 2007
Collected May 28, 2007 from Brodhead Creek in Pennsylvania and added by Troutnut on June 4, 2007
4 Larvae

Start a Discussion of Nigronia serricornis

References

  • Brigham, W.U., A.K. Brigham, and A. Gnilke. 1982. Aquatic Insects and Oligochaetes of North and South Carolina. Midwest Aquatic Entomologist.
  • Knight, Allen W. and C.A. Siegfried. 1977. The Distribution of Corydalus cornutus (Linnaeus) and Nigronia serricornis (Say) (Megaloptera: Corydalidae) in Michigan. Great Lakes Entomologist 10(2): 39-46.
  • Neunzig, H.H. 1966. Larvae of the Genus Nigronia Banks. Proceedings of the Entomological Society of Washington 68(1): 11-16.
  • Stehr, Frederick W. 1998. Immature Insects. Kendall/Hunt Publishing Company.

Hellgrammite Species Nigronia serricornis (Fishflies)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Megaloptera (Hellgrammites, Dobsonflies, and Alderflies)
  5. » Family Corydalidae (Hellgrammites)
  6. » Genus Nigronia (Fishflies)
  7. » Species serricornis (Fishflies)
Common Names
Resources
  • NatureServe
  • Integrated Taxonomic Information System
  • Global Biodiversity Information Facility
  • Described by Say, T. Order Neuroptera. Pp. 303-310 in Keating, W. H. (ed.). Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of the Hon. J. C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U.S.T.E. Vol. 2. Carey and Lea, Philadelphia. (1824).
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy