探検昆虫

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.

生息地: Wetlands

外見

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.

AnimaliaArthropodaInsectaMegalopteraSialidaeSialis
Holarctic Alderflies
solitary trait badgeomnivorous trait badgecolorful trait badgewetland trait badge
Holarctic Alderflies

カテゴリ

昆虫

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

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!

特殊能力

能力

Underwater Gills

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

能力

Brief Adult Life

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

能力

Stealthy Hunter

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

サイズと詳細

翼開長
20-40 mm
サイズ
10-20 mm
寿命
3-7 日
飛行速度
1-5 km/h
脚の数
6

食性と食事

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

年齢による違い: Larvae are active predators, but adults typically consume only water or do not feed, focusing on reproduction.

主な食物

  • aquatic insect larvae
  • small crustaceans
  • worms
  • midge larvae
  • mayfly nymphs

採餌方法

  • Ambush

生態系とのつながり

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.

特徴

別名

まだ別名はありません。

コレクション

安全性

危険度

1/5 · 非常に低い

It's safe to watch these insects, but don't touch them as they are delicate.

よくある質問

Holarctic Alderfliesの翼開長は何ですか?

20-40 mm

Holarctic Alderfliesのサイズは何ですか?

10-20 mm

Holarctic Alderfliesの寿命は何ですか?

3-7 日

Holarctic Alderfliesの飛行速度は何ですか?

1-5 km/h

Holarctic Alderfliesは何を食べますか?

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

Holarctic Alderfliesは通常どこに生息していますか?

Wetlands

Holarctic Alderfliesはどのように狩りをしますか?

Ambush

Holarctic Alderfliesの脚の数は何ですか?

6

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