Mayfly Species Baetis intercalaris (Blue-Winged Olive)
Taxonomic Navigation -?-
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Baetidae (Blue-Winged Olives)
» Genus Baetis (Blue-Winged Olives)
» Species intercalaris (Blue-Winged Olive)
Common Names
| Match | Common Name |
 | Blue-Winged Olive |
 | Little Slate-Winged Brown Quill |
| Rusty Spinner |
| Little Blue-Winged Olive |
| BWO |
| Slate-Winged Olive |
 | Gray-Winged Brown Quill |
| Slate-Winged Brown Quill |
Fly Imitations by Orvis
| Stage | Fly Pattern |
| Dun | Blue Winged Olive |
Where & When
This species makes its appearance a few weeks after the first brood of Baetis tricaudatus. It is less important because many larger mayflies are on the water at that time. There are good hatches in both the East and the Midwest, and they may make trout selective.Nymph Biology
Current Speed: AnySubstrate: A variety: rocks, gravel, vegetation
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