About American Needlefly
A delicate needle-thin stonefly of Appalachian headwater streams. Nymphs are important processors of autumn-shed leaf litter.
Did You Know?
Multiple Leuctra species can coexist in the same stream by emerging at different times of year.
How to Identify American Needlefly
American Needlefly (Leuctra tenuis) belongs to the order Plecoptera, family Leuctridae. Adults typically measure 5-8 mm.
American Needlefly Habitat
American Needlefly 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.
American Needlefly Diet and Feeding
American Needlefly 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 American Needlefly Found?
American Needlefly 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 American Needlefly can be found
Is American Needlefly Dangerous?
American Needlefly 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.
American Needlefly Role in Nature
American Needlefly 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 American Needlefly
What does American Needlefly look like?
The American Needlefly typically measures 5-8 mm.
Where is American Needlefly found?
The American Needlefly is found in North America and typically inhabits rivers & streams environments.
What does American Needlefly eat?
The American Needlefly feeds on decaying organic matter and dead plant material.
Is American Needlefly dangerous to humans?
The American Needlefly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about American Needlefly?
Multiple Leuctra species can coexist in the same stream by emerging at different times of year.
Cite This Page
APA:
InsectDiscover. (2026). American Needlefly (Leuctra tenuis). Retrieved from https://insectdiscover.com/insect/american-needlefly
MLA:
"American Needlefly." InsectDiscover, https://insectdiscover.com/insect/american-needlefly.