What are the characteristics of Trichoptera?
Trichoptera possess the more primitive character state, having hairs rather than scales, and this character accounts for the name Trichoptera, meaning “hairy wings.” Also, unlike moths and butterflies, which typically have a coiled, tubelike proboscis for feeding, adult caddisflies lack well-developed mouthparts.
How do you identify Trichoptera?
Characteristics used to separate trichopteran families include sclerotization of the thoracic segments, presence or absence of abdominal humps, position and length of antennae, and the shape of the prolegs and associated anal claw.
What kind of wings do Trichoptera have?
The body and wings are clothed with long silky hairs (setae) — a distinctive characteristic of the order. In flight, the hind wings are coupled to the front wings by specially curved hairs. At rest the wings are held tent-like over the abdomen. Many caddisflies have reduced or vestigal mouthparts.
Are Trichoptera Holometabolous?
The order Trichoptera (caddisflies) is a group of holometabolous insects closely related to butterflies (Lepidoptera). It includes approximately 15,000 extant species within 49 families and approximately 600 genera (Holzenthal et al., 2011, 2015).
What are characteristics of siphonaptera?
Although known to be related to the true flies (the Diptera) by details of internal structure, the Siphonaptera are highly modified for a parasitic existence; they have no wings and no compound eyes, the legs are modified for jumping, the antennae are very short and recessed in grooves on the head, and the body is …
How do you identify a Caddisfly?
Adult caddisflies resemble moths, but with their wings folded back along the body. Unlike moths, they have a fine set of hairs on their wings instead of scales. Some species have very long antennae. Individual species can be difficult to identify.
How do you identify caddisfly larvae?
Caddisfly larvae have elongated bodies resembling caterpillars of moths and butterflies (similarity as between adults). Larvae have always a hardened (sclerotized) head and first thoracic segment, while the abdomen remains pale and soft.
What order do fleas belong?
Fleas are taxonomically grouped in the order Siphonaptera (Tenter and Schnieder, 2006), containing several families. The most important veterinary and human species belong to the families Pulicidae, including Pulex spp., Ctenocephalides spp., Spilopsyllus spp.
What is a unique characteristics of insects in the order isoptera?
The Isoptera is a relatively small order of insects that consist of 31 orders, including about 2650 described species. The order name Isoptera originates from the fact that the imago (adult) has wings of equal size (Isos in Greek meaning the same and ptera meaning wings).
Where are Caddisfly usually found?
Caddisflies are found worldwide, with the greater diversity being in warmer regions. They are associated with bodies of freshwater, the larvae being found in lakes, ponds, rivers, streams and other water bodies.