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Insects by Common Name
Tiny Winter Blacks
Like most common names, "Tiny Winter Black" can refer to more than one taxon. They're previewed below, along with 5 specimens. For more detail click through to the scientific names.
Stonefly Family Capniidae
These are often called Tiny Winter Blacks.
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.
Capnia and Allocapnia are probably the most common genera of this prolific family.
See 6 more specimens...
Stonefly Family Leuctridae
These are sometimes called Tiny Winter Blacks.
Leuctra is the only genus of any known importance to trout anglers. Their wings are rolled to a needle-like point; hence the common name, needle flies.
Megaleuctra stigmata (Tiny Winter Black) Stonefly Adult
View 3 PicturesThis is one of rarest stoneflies in western Montana. It is a bit unusual that it is fairly abundant in a handful of streams that empty into the east side of Flathead Lake. A very beautiful bug.
View 3 PicturesThis is one of rarest stoneflies in western Montana. It is a bit unusual that it is fairly abundant in a handful of streams that empty into the east side of Flathead Lake. A very beautiful bug.See 2 more specimens...
Stonefly Family Nemouridae
These are sometimes called Tiny Winter Blacks.
This is one of the less common genera of Tiny Winter Blacks.
Female Amphinemura (Tiny Winter Blacks) Stonefly Adult
View 5 PicturesA few of these tiny stoneflies were among the only species of aquatic insect adults in the air on this particular afternoon, with most of the action coming from a species of Epeorus mayfly. I somehow forgot to photograph this one on the usual ruler, but I recall it was very, very small, with an abdomen no more than 1mm in girth and the body, not counting the wings, probably just 5-7mm long.
View 5 PicturesA few of these tiny stoneflies were among the only species of aquatic insect adults in the air on this particular afternoon, with most of the action coming from a species of Epeorus mayfly. I somehow forgot to photograph this one on the usual ruler, but I recall it was very, very small, with an abdomen no more than 1mm in girth and the body, not counting the wings, probably just 5-7mm long.See 1 more specimens...
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