- 74 species in North America
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Ephemeroptera |
| Family: | Leptophlebiidae |
Identification Tips:
•Three tails and 3 pair of segmented legs
• Filamentous gills protrude from both sides of most abdominal segments
• 4-15 mm
Life History:
Larvae
• Common in protected areas of shallow, rocky, often fast-flowing streams
• Poor swimmers, primarily crawl
• Most are omnivorous, collecting organic detritus or scraping periphyton
• Move away from light
• Some species are present only as dormant eggs for part of the year
| POLLUTION TOLERANCE | ||||
| Very Sensitive | Somewhat Sensitive | Facultative | Somewhat Tolerant | Very Tolerant |
| Most | Most | |||
––––––
Primary Information Source:
Voshell, J. Reese. 2002. A Guide to Common Freshwater Invertebrates of North America. McDonald and Woodward Publishing Company. Blacksburg, Virginia.
