What do caddis larvae look like?
What do caddis larvae look like?
Adult caddisflies resemble moths, but with their wings folded back along the body. Caddisfly larvae are more readily identified, with many having distinctive cases. For example, some form rounded, humped cases from coarse sand, whilst others build lumpy cases from cut pieces of plant.
Where do caddis flies lay their eggs?
Most caddisflies lay their eggs in or near ponds or streams. A very few species (in the family of northern case makers, Limnephilidae) deposit their eggs above the water on aquatic vegetation in a one- to-two-inch-long mass of jelly (some species’ eggs lack the jelly).
What does the caddis fly feed on?
Although most larvae feed on aquatic plants, algae, diatoms, or plant debris, a few are predatory on other aquatic insects, crustaceans, and mollusks, and a few are omnivorous.
How do you get rid of caddisfly larvae?
How Do I Get Rid of Caddisflies?
- Monitor – Turning lights off when adult caddisflies are flying.
- Relocate – Installing lights away from buildings, if possible.
- Replace – Replacing standard incandescent and fluorescent lights with sodium vapor lights that are less attractive to insects.
How does a caddis fly lay its eggs?
Many types of caddis lay their eggs by bouncing up and down or by dragging their abdomens along the surface to release their eggs. Using a weighted nymph as an anchor, lift the dry fly several inches off the water and then drop it to the surface to make it hop, bounce, and skitter like an egg-laying caddis. Illustration: Joe Mahler
What kind of insect is a caddisfly?
Caddisflies are an order (Trichoptera) of insects with approximately 12,000 described species. They can be described as small moth-like insects with two pairs of hairs membranous wings. One of the most interesting characteristics of the caddisfly is the ornate and highly intricate protective cases they build as larvae.
How does a caddisfly make a protective case?
The larvae collects whatever material it can to form its protective case, bonding the various materials together with silk that it excretes from its salivary glands near its mouth. [ Source] Different species of caddisfly tend to use different materials for their protective cases making for a diverse array of cases.
How many caddisflies are there in the world?
There are 20 caddis (Trichoptera) families in North America alone, and more than 1,400 species. Caddis go through a complete life cycle of larva, pupa, and adult, and all these stages can provide excellent angling opportunities. Larvae.