Mayfly Species Centroptilum asperatum (Blue-Winged Olive)
Taxonomic Navigation -?-
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Baetidae (Blue-Winged Olives)
» Genus Centroptilum (Blue-Winged Olives)
» Species asperatum (Blue-Winged Olive)
Common Names
| Match | Common Name |
 | Blue-Winged Olive |
 | Gray-Winged Olive Quill |
| Tiny Sulphur Dun |
Fly Imitations by Orvis
| Stage | Fly Pattern |
| Dun | Blue Winged Olive |
Where & When
Region: WestTime Of Year (?): June to October
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