Small Minnow Mayfly
Other Name(s): Mayfly
Characteristics: Small Minnow Mayflies are a favorite among trout that await their surfacing only to gobble the Mayflies up in the process. As such, the Small Minnow Mayfly is the source of one of the more popular baits made by flyfishermen. Minnow Mayflies are attracted to water sources and live much of their lives near them.
Small Minnow Mayflies appear very much in line with other Mayfly types. Their abdomen is distinguishable by the two long filaments found at the extreme end. Two sets of wings allow the Small Minnow Mayfly to fly, though the second set - the hind wings - are much smaller than the first set. Wings are clear but may be patterned with black.
These Mayflies are active during the warm months of the year and range throughout the western parts of North America. This particular species produced multiple generations per year and will appear moreso during the early and middle hours of the day.
General Adult Size (Length):
6mm to 12mm
(0.24in to 0.47in)
Identifying Colors: white, brown, gray
North American reach includes (may not be limited to): Washington, Montana, Wyoming, Oregon, Idaho, Colorado, California, New Mexico, Arizona, Utah, Nevada, Texas
Category: Mayfly
Common Name: Small Minnow Mayfly
Scientific Name: (Callibaetis picta)
 Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Ephemeroptera
Family: Baetidae
Genus: Callibaetis
Species: picta
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