caddisfly identification key

There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the basis of the adult mouthparts. However, the two groups are now thought to represent different evolutionary lines. In some species the case is attached to a rock, log, or other underwater surface; a few species have no case and are free-living. The British caddisflies (Trichoptera) are often viewed as a difficult group. (ed.) Genus Molanna Curtis: Key to Species ..... 99 FAMILY ODONTOCERIDAE ... Area covered: This manual was prepared to aid aquatic biologists in the identification of the caddisfly larvae of Florida. The case is held together with strands of silk secreted by the larva. Part 17, 192pp, The Royal Entomological Society of London () Macan, T.T. The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. The manual provides keys to the families, genera, and species (where Creeks, streams, lagoons, ponds, and lakes make great habitats. This is a good thing, because there are over 1,359 species of caddisflies in North America above the Rio Grande River alone! All this can make collection and study much more of a … In: Zhang Z.-Q. Identification manual for the caddisfly (Trichoptera) larvae of Florida. Caddisflies belong to the order Trichoptera, and are closely related to butterflies and moths, in the order Lepidoptera. ## Family: BRACHYCENTRIDAE ## Tolerance Level: 1 "Humpless Casemakers" lack hump on first abdominal segment four sided case similar to a woven basket ----- ## Family: GLOSSOSOMATIDAE ## Tolerance Level: 0 "Saddlecase Makers" tortoise shell shaped case made of rocks anal claw has at least one accessory hook ----- ## Family: HELICOPSYCHIDAE ## Tolerance Level: 3 "Snail Casemakers"… ... and Setodes n. sp. Most species live in a mobile case constructed from plant material, algae, grains of sand, pieces of snail shells, or entirely of silk. Identification manual for the caddisfly (Trichoptera) larvae of Florida (Revised edition) Order Trichoptera Kirby, 1813. Ancestral Mecoptera (scorpionflies) probably gave rise to the Neuroptera (lacewings), Trichoptera (caddisflies), and Lepidoptera (moths, butterflies). Eggs hatch and the worm-like larvae live underwater for sometimes as long as a year. Caddisflies are among the most successful and diverse organisms in freshwater habitats, with about 15,000 described species around the world, divided into 49 extant families and 616 genera (Holzenthal et al., 2007, 2015). The Trichoptera, or Caddisflies, are an order of insects, somewhat related to moths, and of which there are just under 200 species in the British Isles.The name means 'hairy-winged', and indeed they differ from moths in having hairs rather than scales on their wings, amongst other differences. Carr in his book 'The Invertebrate Fauna of Nottinghamshire, published by J.& H. Bell Ltd in 1916' mentions some 65 species in Nottinghamshire, out of a total of 174 species recorded in the UK at the time. Animal biodiversity: … Just over a century ago, J.W. Nottinghamshire's 108 species, comes out of 200 species presently known from the UK. Eutaxa - electronic keys & reference collections: www.eutaxa.com Barnard, P. & Ross, E. 2012: The adults Trichoptera (caddisflies) of Britain and Ireland: Handbooks for the Identification of British Insects, Vol 1. 1973: A Key to the Adults of British Trichoptera Female Caddisflies lay their fertilized eggs either directly in water, or just above the water line on some kind of vegetation. Caddisfly - Caddisfly - Evolution and paleontology: The caddisflies were long classified in the order Neuroptera. While the larvae can be found in most freshwater habitats, the adults are a different matter, with some species only on the wing of a few weeks of the year, and many active only at night. Caddisflies in Nottinghamshire . 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