About Western Fishfly
A western North American fishfly with feathery antennae and brownish wings. Adults are attracted to lights near streams where their larvae develop.
Did You Know?
Fishflies are distinguished from dobsonflies by their feathery antennae and lack of massive mandibles in males.
How to Identify Western Fishfly
Western Fishfly (Neohermes filicornis) belongs to the order Megaloptera, family Corydalidae. Adults typically measure 40-55 mm wingspan.
Western Fishfly Habitat
Western Fishfly is found in rivers & streams habitats, particularly across Western North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Western Fishfly Diet and Feeding
Western Fishfly is a predatory species that actively hunts and feeds on other insects and small invertebrates. As a predator, it helps control populations of pest species and maintains ecological balance.
Where Is Western Fishfly Found?
Western Fishfly can be found in Western North America, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Western Fishfly can be found
Is Western Fishfly Dangerous?
Western Fishfly 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.
Western Fishfly Role in Nature
Western Fishfly serves as a natural predator, helping to control populations of other insects. Predatory insects are valuable in both natural ecosystems and agriculture, where they reduce the numbers of pest species without the need for chemical pesticides.
Seasonal Activity
Frequently Asked Questions About Western Fishfly
What does Western Fishfly look like?
The Western Fishfly typically measures 40-55 mm wingspan.
Where is Western Fishfly found?
The Western Fishfly is found in Western North America and typically inhabits rivers & streams environments.
What does Western Fishfly eat?
The Western Fishfly is a predator that hunts and feeds on other insects and small invertebrates.
Is Western Fishfly dangerous to humans?
The Western Fishfly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Western Fishfly?
Fishflies are distinguished from dobsonflies by their feathery antennae and lack of massive mandibles in males.
Cite This Page
APA:
InsectDiscover. (2026). Western Fishfly (Neohermes filicornis). Retrieved from https://insectdiscover.com/insect/western-fishfly
MLA:
"Western Fishfly." InsectDiscover, https://insectdiscover.com/insect/western-fishfly.