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Stonefly Family Capniidae (Tiny Winter Blacks)

Taxonomic Navigation -?-
» Family Capniidae (Tiny Winter Blacks)
Genus in CapniidaeNumber of SpecimensNumber of Pictures
AllocapniaTiny Winter Blacks00
CapniaTiny Winter Blacks00
IsocapniaTiny Winter Blacks11
UtacapniaTiny Winter Blacks22

6 genera aren't included.
Common Names
MatchCommon Name
***Tiny Winter Blacks
*Snowflies
Pictures Below ↓
These are the first stoneflies of the year to appear in most parts of the country, and often the first aquatic insects noticed by the angler. Their dark brown or black bodies are easy to spot against the snowbanks where they crawl around.

Capnia and Allocapnia are probably the most common genera of this prolific family.  

Where & When


Regions: East, Midwest, West

Time Of Year (?): Late winter to mid-spring

Pictures of 8 Stonefly Specimens in the Family Capniidae:

Specimen Page:12
Capniidae (Tiny Winter Blacks) Stonefly NymphCapniidae (Tiny Winter Blacks) Stonefly Nymph View 4 Pictures
Collected March 13, 2005 from Cascadilla Creek in New York
Added to Troutnut.com by Troutnut on April 5, 2006
Capniidae (Tiny Winter Blacks) Stonefly AdultCapniidae (Tiny Winter Blacks) Stonefly Adult View 6 Pictures
Collected March 29, 2005 from Salmon Creek in New York
Added to Troutnut.com by Troutnut on April 7, 2006
Capniidae (Tiny Winter Blacks) Stonefly AdultCapniidae (Tiny Winter Blacks) Stonefly Adult View 3 PicturesThis drowned Capniidae adult showed up in my drift net sample while I was looking for nymphs. I took photos of the drowned adult in water like a nymph.
Collected March 29, 2005 from Salmon Creek in New York
Added to Troutnut.com by Troutnut on April 7, 2006
Specimen Page:12

Recent Discussions of Capniidae

Winter Stones and the like 3 Replies »
Posted by DarkDun on Nov 20, 2006
Last reply on May 21, 2008 by Greenwolly
I like your site and all it offers. Would like you to come on down to the Southeast and identify our species of mayflies, caddis and plecoptera. Ours are a bit different in makeup than elsewhere and really need cataloging. We constantly are trying to compare our species to the northern hatches and it does not fit into their pattern. We are a month ahead of everywhere else and twice as long in many cases. Some hatches seem to be identifiable and then some defy easy categorization.

DarkDun

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