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Caddisfly

Temnocephala caddisflyi Amato, Amato, Seixas, Vidigal &

Caddisflies are tiny insects that build cozy homes from twigs and leaves. They are often found in clean water.

Habitat: Freshwater habitats

Appearance

The Caddisfly is a small, moth-like insect, typically sporting drab brown, grey, or black colors. Unlike moths, their wings are covered in tiny hairs and held tent-like over their body at rest. They possess long, slender antennae that often extend beyond their body length.

KingdomAnimaliaPhylumPlatyhelminthesClassInsectaOrderRhabdocoelaFamilyTemnocephalidaeGenusTemnocephala
Caddisfly
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Caddisfly

Category

Insect

Rarity

Common

Danger

2/5

Snaps

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Interesting facts

Adult caddisflies have hairy wings, which helps them sense the world around them at night!

Scientists can tell how healthy a stream is by counting the types of caddisflies living there!

Some larvae glue together their homes with amazing silk, making them tiny underwater artists!

When scared, a caddisfly larva can pull completely into its case, like a snail into its shell!

Special abilities

Ability

Underwater Architect

Caddisfly larvae can build protective cases from twigs, sand, or pebbles using silk, which helps them hide from predators.

Ability

Natural Water Filter

Some caddisfly larvae spin silk nets underwater to catch tiny food particles, helping to clean the water.

Ability

Water Quality Indicator

Caddisflies are sensitive to pollution, and their presence helps scientists understand how clean a water body is.

Measurements & details

Wingspan
10-50 mm
Size
5-30 mm
Lifespan
30-365 days
Flight Speed
8 km/h
Leg Count
6

Diet & Feeding

Caddisfly larvae eat algae, decaying plants, and tiny insects, while adults often eat very little.

Age differences: Larvae have diverse diets; adults typically feed little or not at all.

Primary Foods

  • Algae
  • Detritus
  • Plant matter
  • Small aquatic invertebrates

Foraging Method

  • Foraging

Ecological connections

eaten by

Brown Trout

Salmo trutta

Trout feast on caddisfly larvae and adults.

eaten by

Green Darner Dragonfly

Anax junius

Dragonfly nymphs often hunt caddisfly larvae.

eats

Pond Scum Algae

Spirogyra maxima

Larvae graze on filamentous algae like Spirogyra.

eaten by

Green Frog

Rana clamitans

Adult caddisflies are a snack for hungry frogs.

Traits

Also known as

Caddis FliesCaddis Fly

Safety

Danger

2/5

Do not touch or pick up. Some insects sting or bite. Ask an adult for help.

Frequently Asked Questions

What is Caddisfly's wingspan?

10-50 mm

How big is Caddisfly?

5-30 mm

How long does Caddisfly live?

30-365 days

How fast can Caddisfly fly?

8 km/h

What does Caddisfly eat?

Caddisfly larvae eat algae, decaying plants, and tiny insects, while adults often eat very little.

Where is Caddisfly usually found?

Freshwater habitats

How does Caddisfly hunt?

Foraging

How many legs does Caddisfly have?

6

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