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 specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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Stonefly Species Agnetina flavescens (Golden Stones)
Where & when
In 6 records from GBIF, adults of this species have been collected during June (67%) and July (33%).
Species Range
Identification
To determine whether a specimen of Agnetina belongs to Agnetina flavescens, use the Key to Species of Agnetina Nymphs or Key to Species of Agnetina Adults.
Specimens of the Stonefly Species Agnetina flavescens
1 Nymph
I took a few closeup pictures of this stonely with my old camera and a microscope.
Start a Discussion of Agnetina flavescens
Stonefly Species Agnetina flavescens (Golden Stones)
Species Range
Common Names
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Walsh, B.D. (1862) List of the Pseudoneuroptera of Illinois contained in the cabinet of the writer, with descriptions of over forty new species, and notes on the structural affinities. Proceedings of the Academy of Natural Sciences of Philadelphia 14, 361–402.