Caddisflies are important as food for other animals. Freshwater fish, particularly trout, and eels feed on larvae and swimming pupae.
Are caddisflies pests?
How Serious Are Caddisflies? These pests are not harmful to people. However, they may swarm in large numbers and are very attracted to lights. It is this swarming behavior that makes them pests, plus the reported occurrences of allergic reactions and asthma that are associated with their presence.
Are caddisfly larvae predators?
Trichoptera (Caddisflies) Caddisflies, or Trichoptera, are an order of aquatic insects known for the case and retreat-making behavior of the larval stage. They are found in lakes and rivers around the world. Another group make no larval structure and are free-living predators.
Are caddisflies moths?
WHAT IS A CADDISFLY? Like all insects, caddisflies have 6 legs, 2 antennae, and 3 body parts. Adult caddisflies resemble moths, with hairy wings and long antennae, but caddisflies do not have the long siphoning mouthparts that butterflies and moths have.
Do adult caddisflies feed?
Adult caddisflies can only feed on liquids, since they do not have well-developed mouthparts. They feed only on plant fluids, such as nectar, or may not feed at all.
What triggers mayfly hatch?
Most mayflies rise to the surface of the lakes at night when the water is usually calm. They float on the surface until their wings are dry and then fly away to complete their life cycle. . If the cold weather returns the mayfly hatches will be more drawn out and take longer to complete.