Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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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)