species 74 observations
Callibaetis californicus
Callibaetis californicus
Field notes
Callibaetis californicus is a species of small minnow mayfly in the family Baetidae. It is found in Central America and North America. In North America its range includes all of Mexico, and the western United States.
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Greener is more native, amber more introduced; paler is less certain. How this was decided