About Cahill Mayfly
A cream-to-tan colored mayfly found throughout eastern North America. It is named after the classic Light Cahill fly fishing pattern it inspired.
Did You Know?
The Light Cahill fly pattern, inspired by this mayfly, has been a staple of American fly fishing since the 1880s.
How to Identify Cahill Mayfly
Cahill Mayfly (Stenacron interpunctatum) belongs to the order Ephemeroptera, family Heptageniidae. Adults typically measure 8-12 mm.
Cahill Mayfly Habitat
Cahill Mayfly is found in rivers & streams habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Cahill Mayfly Diet and Feeding
Cahill Mayfly is a detritivore that feeds on decaying organic matter and dead plant material. By breaking down dead matter, detritivores play a crucial role in nutrient recycling and soil formation.
Where Is Cahill Mayfly Found?
Cahill Mayfly can be found in North America, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Cahill Mayfly can be found
Is Cahill Mayfly Dangerous?
Cahill Mayfly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Cahill Mayfly Role in Nature
Cahill Mayfly plays a vital role in decomposition and nutrient recycling. By breaking down dead organic matter, it helps return nutrients to the soil, supporting plant growth and maintaining ecosystem health.
Seasonal Activity
Frequently Asked Questions About Cahill Mayfly
What does Cahill Mayfly look like?
The Cahill Mayfly typically measures 8-12 mm.
Where is Cahill Mayfly found?
The Cahill Mayfly is found in North America and typically inhabits rivers & streams environments.
What does Cahill Mayfly eat?
The Cahill Mayfly feeds on decaying organic matter and dead plant material.
Is Cahill Mayfly dangerous to humans?
The Cahill Mayfly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Cahill Mayfly?
The Light Cahill fly pattern, inspired by this mayfly, has been a staple of American fly fishing since the 1880s.
Cite This Page
APA:
InsectDiscover. (2026). Cahill Mayfly (Stenacron interpunctatum). Retrieved from https://insectdiscover.com/insect/cahill-mayfly
MLA:
"Cahill Mayfly." InsectDiscover, https://insectdiscover.com/insect/cahill-mayfly.