Try for Free
tab list
Picture Insect
English
arrow
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Home Application Download FAQ
English
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Icon about
About
Icon about
General Info
Icon about
Search Tips
Icon about
Harmful or Not
Icon about
Beneficial Effects
Icon about
Common FAQs
Icon about
Popular Insects

Willow fly

Leuctra geniculata

A species of Needleflies

General Info About Willow fly
Instantly identify insects with a snap
Snap a photo for instant insect ID and risk assessment, gaining quick insights on bite assessment, toxicity, pest control, behavior, habitat, and safe interaction tips, etc.
Download the App for Free
Rectangle
Attributes of Willow fly
Habitat
Large river; stream; lowland
Adult Food Sources
Algae, moss, plant matter, pollen, lichen
Larva Food Source
Decaying organic matter, algae, plant debris, biofilm, detritus
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
qrcode
Img download isoImg download android
Rectangle
Species Status of Willow fly
Widespread
Rectangle
Distribution Area of Willow fly
European, North Africa
Rectangle
Life Cycle of Willow fly
Egg The egg stage of willow fly involves deposition in clusters or rows in aquatic environments, often attached to submerged rocks or vegetation. The eggs are small and inconspicuous, developing and waiting to hatch.
Nymph Emerging from eggs, the nymph stage of willow fly resembles the adult but lacks wings and reproductive structures. This aquatic stage molts several times, growing larger with each stage, and is distinguished by gills and its adaptation to live in water.
Adult The adult willow fly emerges from the nymph stage with the development of wings and reproductive organs. The body coloration and size have matured, the wings are clear and veined, and the creature now leaves the aquatic life to live terrestrially.
Rectangle
Predators of Willow fly Larvae
Fish, beetles, birds, salamanders
Rectangle
Scientific Classification of Willow fly
Tips for Finding Willow fly
Your ultimate guide to understanding insects
Unlock the secrets of insect life cycles, habitats, behaviors and observation tips!!
Download the App for Free
Rectangle
Youth Habitat of Willow fly
Freshwater Habitats
Rectangle
Adult Habitat of Willow fly
Forests and Woodlands, Near Freshwater Habitats
Rectangle
How Can You Attract Willow fly
There is no specific trap food required to find willow fly, as they are not typically lured using bait. Instead, careful observation in the right habitat during the appropriate life stage is key for locating them.
Rectangle
Habitat Preferences of Willow fly Through Different Life Stages
The eggs of willow fly are often deposited in streams with clean, flowing water. The nymphs require cool, oxygen-rich environments, and can thus be found under submerged rocks or leaf packs in these freshwater systems. They spend this phase feeding and growing, sheltered within aquatic vegetation and debris. Searching for them involves gently lifting rocks or sifting through underwater plant litter. Adults, which are less frequently encountered, are found near these aquatic habitats but on land, usually resting on vegetation or stones close to the water's edge. To find adults, one should search foliage and stones at night, given their nocturnal tendencies.
Rectangle
How and Where Can You Find Willow fly at Different Life Stages
Egg Willow fly eggs are typically laid in the water. Look for them attached to submerged rocks, vegetation, or in gravel beds of clean, well-oxygenated streams and rivers.
Nymph Willow fly nymphs are aquatic and can be found among the bottom substrates of streams and rivers. To locate them, turn over rocks, check under logs, or sift through the silt and gravel in shallow water.
Adult Adult willow fly are often seen near the water where they mate and lay eggs. To find adult willow fly, check the vegetation and surfaces around streams and rivers at night, as they are attracted to light and may rest on nearby plants or stones.
Are Willow fly harmful?
Your Complete Pest Control Guide
Discover effective tips for preventing and eliminating pest infestations to keep bugs away from your home.
Download the App for Free
Beneficial Effects of Willow fly
Discover the hidden benefits of insects
Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
Download the App for Free
Bioindicators
Bioindicators
Stage
Nymphs
Willow fly nymphs are an excellent gauge of river health, thriving in well-oxygenated, flowing waters. Their presence and abundance directly correlate with low pollution levels, serving as an indicative cue to clean water. They are useful for monitoring water quality trends and potential ecological disturbances.
Common Questions People Also Ask
Get Quick Insect Answers with a Snap
Snap a photo for instant insect ID and answers on bites, toxicity, pest control, behavior, habitat, and safety tips!
Download the App for Free
Other Popular Insects
Western honey bee
Western honey bee

Western honey bee(Apis mellifera) is the most common species of honeybee in the world. Among the first domesticated insects, its cultural and economic impact on humanity has been vast and far-reaching, providing honey, wax and its services as a pollinator. Western honey bee faces challenges worldwide, such as colony collapse disorder, and populations are thought to be decreasing.

Read More
Arrow
Monarch butterfly
Monarch butterfly

The monarch butterfly (Danaus plexippus) is the most recognizable butterfly in North America. It is best known for its appearance, but should be better known for the fact that it has a 3000-mile migration that takes the butterfly 4 generations to complete. Their diet is also a natural deterrent for predators, as they eat milkweed, a poison that induces vomiting.

Read More
Arrow
Japanese rhinoceros beetle
Japanese rhinoceros beetle

The japanese rhinoceros beetle (Trypoxylus dichotomus) is a massive beetle about the size of the palm of a hand. It's distinguished by its long Y-shaped horn, which it uses to fight other males with. It's a nocturnal bug that feeds on sap and sweet fruits. This species is sometimes kept as a pet due to its unique appearance and simple care requirements.

Read More
Arrow
Silkworm
Silkworm

The silken threads produced by silkworm during its larval stage have been highly coveted for millennia, manifesting as a luxurious fabric in human society. Remarkably, this creature has a singular diet, feeding exclusively on the leaves of its primary host plant from which it extracts the necessary nutrients to facilitate its transition into a non-feeding, winged adult.

Read More
Arrow
Menelaus blue morpho
Menelaus blue morpho

Menelaus blue morpho (Morpho menelaus) is a gorgeous butterfly with large, royal blue wings. Linnaeus named the genus Morpho the Aphrodite-Ancient Greek goddess of love and beauty for its extreme beauty. It is native to tropical rainforests. Though many butterfly gardens now cultivate them in captivity, there are still many people who never get a chance to see them.

Read More
Arrow
Atlas moth
Atlas moth

While the atlas moth (Attacus atlas) can't tell you where to find your country on the map, it does earn its name through other means. It is one of the largest moths in the world, with a wingspan that is far larger than its body, creating an abnormal comparison. In India, their silk is gathered in a non-commercial capacity and is considered to be more durable than the domestic silkworm.

Read More
Arrow
Flying peacock spider
Flying peacock spider

Both sexes reach about 5 mm in body length. Females and immatures of both sexes are brown but have color patterns by which they can be distinguished from related species. Also, the males dance to attract females.

Read More
Arrow
Multicolored asian ladybeetle
Multicolored asian ladybeetle

Often confused for the ladybug, multicolored asian ladybeetle (Harmonia axyridis) is a separate species that, unlike the ladybug, is a household pest. It is considered particularly annoying for its habit of returning to places from which it is removed. One of the most variable species in the world, there are many different colors and patterns multicolored asian ladybeetle may display, making identification potentially difficult.

Read More
Arrow