Holarctic Alderflies

Sialis

Holarctic Alderflies are fascinating insects that love to live near water. They have long wings and are often seen flying around ponds and streams, where they lay their eggs.

Hábitat: Wetlands

Aspecto

The Holarctic Alderflies has a robust, dark brown to black body and large, smoky-grey wings with many visible veins, resembling fine lace. Its head is broad with short, segmented antennae, distinguishing it from longer-antennaed caddisflies.

ReinoAnimaliaFiloArthropodaClaseInsectaOrdenMegalopteraFamiliaSialidaeGéneroSialis

Holarctic Alderflies

Categoría

Insectos

Rareza

Common

Peligro

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Snaps

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Datos interesantes

Adult alderflies almost never eat; they live off stored energy from their youth!

Larval alderflies can live in ponds or rivers for up to two years before transforming!

Their transparent wings, though beautiful, are not meant for long-distance travel!

When disturbed, larval alderflies wiggle rapidly to escape danger in the water!

Habilidades especiales

Holarctic Alderflies larvae can breathe underwater using special abdominal gill filaments that help them thrive in aquatic environments.

Holarctic Alderflies adults live only a few days, dedicating their short time entirely to reproduction and laying eggs.

Holarctic Alderflies larvae have strong jaws and often hide in streambeds, ambushing small aquatic invertebrates that swim by.

Medidas y detalles

Envergadura: 20-40 mm
Tamaño: 10-20 mm
Esperanza de vida: 3-7 días
Velocidad de vuelo: 1-5 km/h
Cantidad de patas: 6

Dieta y alimentación

Alderfly larvae are fierce underwater predators, while adults usually don't eat much at all!

Diferencias por edad: Larvae are active predators, but adults typically consume only water or do not feed, focusing on reproduction.

Alimentos principales

aquatic insect larvae
small crustaceans
worms
midge larvae
mayfly nymphs

Método de búsqueda

Ambush

Conexiones ecológicas

eaten by

Brown Trout

Salmo trutta

Larval alderflies are a vital food source for many fish species.

eaten by

White Wagtail

Motacilla alba

Adult alderflies are prey for various insectivorous birds near water.

hunts

Common Midge

Chironomus plumosus

Alderfly larvae actively prey on smaller midge larvae in freshwater.

hunts

Freshwater Shrimp

Gammarus pulex

Alderfly larvae consume various small aquatic invertebrates like scuds.

Rasgos

Solitario

Los animales solitarios viven solos durante la mayor parte de su vida y solo interactúan con otros para aparearse o cuidar de sus crías.

Omnívoro

Este rasgo identifica organismos cuya dieta incluye tanto materia vegetal como animal.

Colorido

Colorido describe a organismos u objetos que exhiben una amplia variedad de colores brillantes y distintivos.

Humedal

Este rasgo de hábitat identifica especies que se encuentran en humedales, que son áreas de tierra saturadas de agua, ya sea permanente o estacionalmente, e incluyen marismas, pantanos y ciénagas.