About Needlefly
A slender stonefly that rolls its wings tightly around its body at rest, resembling a needle. Nymphs shred leaf litter in small streams.
Did You Know?
The tightly rolled wings make the adult appear to have no wings at all when viewed from above.
How to Identify Needlefly
Needlefly (Leuctra inermis) belongs to the order Plecoptera, family Leuctridae. Adults typically measure 6-9 mm.
Needlefly Habitat
Needlefly is found in rivers & streams habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Needlefly Diet and Feeding
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 Needlefly Found?
Needlefly can be found in Europe, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Needlefly can be found
Is Needlefly Dangerous?
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.
Needlefly Role in Nature
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 Needlefly
What does Needlefly look like?
The Needlefly typically measures 6-9 mm.
Where is Needlefly found?
The Needlefly is found in Europe and typically inhabits rivers & streams environments.
What does Needlefly eat?
The Needlefly feeds on decaying organic matter and dead plant material.
Is Needlefly dangerous to humans?
The Needlefly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Needlefly?
The tightly rolled wings make the adult appear to have no wings at all when viewed from above.
Cite This Page
APA:
InsectDiscover. (2026). Needlefly (Leuctra inermis). Retrieved from https://insectdiscover.com/insect/needlefly
MLA:
"Needlefly." InsectDiscover, https://insectdiscover.com/insect/needlefly.