Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
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Caddisfly Species Lepidostoma podagrum (Little Brown Sedges)
This species can be distinguished from other Lepidostoma by its swollen & scaly foretibiae. This is an important species in some western locales and often precipitates excellent angling opportunities. See the Lepidostoma genus hatch page for information on habitat and life history.
Species Range
Specimens of the Caddisfly Species Lepidostoma podagrum
1 Male Adult
1 Female Adult
These specimens are still alive, just very cold, so the colors are accurate. I put them in the freezer for a bit to settle them down and overdid it a little:)
2 Larvae
The photo of the specimen cased is alive. The photo of the uncased larva is the same specimen taken after it was preserved in its case. Unfortunately, there was a lot of pigment transfer making the specimen look olivaceous. In life it was grayish white as shown in the first photo.
Start a Discussion of Lepidostoma podagrum
Caddisfly Species Lepidostoma podagrum (Little Brown Sedges)
Species Range
Common Names
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by McLachlan (1871)