Stream Mayflies

Heptageniidae

Stream mayflies are tiny insects that live in clean, fresh water. They have delicate wings and can often be seen dancing above streams on sunny days.

Hábitat: Freshwater streams

Aspecto

The Stream Mayflies has flattened, streamlined bodies adapted for fast-flowing water. They typically have two or three long, thread-like tails and prominent plate-like gills along their abdomen. Colors range from dull browns and greens to mottled patterns, helping them blend with riverbeds.

ReinoAnimaliaFiloArthropodaClaseInsectaOrdenEphemeropteraFamiliaHeptageniidae

Stream Mayflies

Categoría

Insectos

Rareza

Common

Peligro

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Snaps

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Datos interesantes

Adult mayflies have no functional mouthparts; they don't eat at all!

Mayfly eyes can be huge and divided, letting them see above and below water!

Some adult mayflies have two pairs of wings, but only use the front pair for flight!

They are the only insect group that molts after developing functional wings!

Habilidades especiales

Stream Mayflies can cling tightly to rocks because they have flattened bodies and strong claws that help them resist swift currents.

Stream Mayflies has feather-like gills along their abdomen that helps them extract oxygen directly from the water while submerged.

Stream Mayflies can shed their skin one last time after they grow wings, which helps them become even better, fully mature fliers.

Stream Mayflies can indicate clean water because their delicate nymphs are highly sensitive to pollution, helping them act as natural monitors.

Medidas y detalles

Envergadura: 10-30 mm
Tamaño: 5-20 mm
Esperanza de vida: 30-365 días
Velocidad de vuelo: 10 km/h
Cantidad de patas: 6

Dieta y alimentación

Nymphs graze on tiny plants and decaying bits, while adults astonishingly do not eat at all!

Diferencias por edad: Nymphs are active feeders, but adults have non-functional mouths and do not eat during their short lives.

Alimentos principales

algae
diatoms
detritus
decaying plant matter
fungi

Método de búsqueda

Grazing

Conexiones ecológicas

eaten by

Brown Trout

Salmo trutta

A key food source for many fish species.

eaten by

Barn Swallow

Hirundo rustica

Adults are caught mid-air by these agile birds.

eats

Diatom

Diatoma vulgaris

Nymphs scrape and feed on these microscopic algae.

eaten by

Common Green Darner

Anax junius

Dragonfly nymphs prey on mayfly nymphs in the water.

Rasgos

Social

Los animales sociales viven en grupos organizados, cooperando para obtener beneficios de supervivencia como la búsqueda de alimento, la defensa y la cría de descendencia.