Giant Mayflies

Hexagenia

Giant Mayflies are fascinating insects that spend most of their lives underwater as nymphs. When they grow up, they come out of the water, fly around for a short time, and then lay eggs to start the cycle again!

Lebensraum: Wetlands

Aussehen

The Giant Mayflies has a soft, robust body, typically yellowish-brown to reddish-brown, often larger than other mayflies. They feature two or three long, delicate tails and large, clear, triangular wings with prominent veins, sometimes with an amber tint.

ReichAnimaliaStammArthropodaKlasseInsectaOrdnungEphemeropteraFamilieEphemeridaeGattungHexagenia

Giant Mayflies

Kategorie

Insekten

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

A swarm of these mayflies can be so dense it shows up on weather radar!

Adult Giant Mayflies have no stomach or digestive system at all!

Mayflies are among the most ancient groups of winged insects on Earth!

Their presence indicates very clean, healthy freshwater environments!

Besondere Fähigkeiten

Giant Mayflies can live underwater for up to two years as nymphs, breathing through feathery gills that help them absorb oxygen from the water.

Giant Mayflies has a unique 'subimago' stage, allowing them to molt one last time after developing wings, helping them become fully mature adults.

Giant Mayflies can emerge in massive numbers almost simultaneously, creating huge swarms that help them find mates quickly and overwhelm predators.

Giant Mayflies has non-functional mouthparts as adults, meaning they don't eat at all, which helps them focus entirely on reproduction.

Maße und Details

Flügelspannweite: 40-70 mm
Größe: 25-30 mm
Lebenserwartung: 1-730 Tage
Fluggeschwindigkeit: 5 km/h
Anzahl der Beine: 6

Ernährung und Fütterung

Young mayflies filter tiny food particles from water, while adults do not eat at all!

Altersunterschiede: Larvae feed on detritus and algae, but adults have vestigial mouthparts and do not consume food, focusing solely on reproduction.

Hauptnahrung

detritus
algae
diatoms
microscopic organisms

Nahrungssuche

Filter Feeding

Ökologische Zusammenhänge

eaten by

Yellow Perch

Perca flavescens

Both nymphs and adults are a key food source.

eaten by

Common Tern

Sterna hirundo

Adult swarms provide an abundant aerial meal.

eats

Green Alga

Chlorella vulgaris

Larvae filter these microscopic plants from water.

Merkmale

Einzelgänger

Einzelgänger leben den größten Teil ihres Lebens allein und interagieren mit Artgenossen nur zur Paarung oder zur Aufzucht der Jungen.

Filtrierer

Filtrierer nehmen Nährstoffe auf, indem sie schwebende Nahrungspartikel und kleine Organismen aus dem Wasser filtern.

Pflanzenfressend

Dieses Merkmal kennzeichnet Lebewesen, deren Ernährung vollständig oder hauptsächlich aus pflanzlichem Material besteht.

Feuchtgebiet

Dieses Lebensraummerkmal kennzeichnet Arten, die in Feuchtgebieten vorkommen. Dies sind Landflächen, die dauerhaft oder saisonal mit Wasser gesättigt sind, darunter Marschland, Sümpfe und Moore.