Plecoptera are an order of insects, commonly known as stoneflies. There are some 2,000 species worldwide. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria Acoelomorpha Orthonectida Rhombozoa Myxozoa Superphylum Deuterostomia Chordata (vertebrates, etc. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - Trilobites (extinct) Subphylum Chelicerata Arachnida - Spiders, Scorpions, etc. ... Orders Subclass Apterygota Symphypleona - globular springtails Subclass Archaeognatha (jumping bristletails) Subclass Dicondylia Monura - extinct Thysanura (common bristletails) Subclass Pterygota Diaphanopteroidea - extinct Palaeodictyoptera - extinct Megasecoptera - extinct Archodonata - extinct Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Infraclass Neoptera Blattodea (cockroaches) Mantodea (mantids) Isoptera (termites) Zoraptera Grylloblattodea Dermaptera (earwigs) Plecoptera (stoneflies) Orthoptera (grasshoppers, crickets... Karl Hermann Konrad Burmeister (January 15, 1807 - May 2, 1892) was a German zoologist. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... A database query syntax error has occurred. ... In biology, a species is a kind of organism. ...
These are aquatic insects whose nymphs (immatures) live in streams (running waters) while the adults live in the air. Running Stream The primary meaning of stream is a body of water, confined within a bed and banks and having a detectable current. ...
Almost all species of stoneflies pass their aquatic stages in cool, well-oxygenated streams with very definite current and thus are particularly important items in the diet of trout, and there is an entire fauna of “winter” stoneflies.
Stoneflies lay their eggs in flowing streams (sometimes along windswept rocky lake shores) and observation indicates that most adult females deposit egg masses by dipping the tip of the abdomen beneath the water surface while in flight.
As we have mentioned in connection with the Mayflies, stonefly nymphs are characterized by the external gills which may be on the underside of the head, as with Isogenus, on the under surfaces laterally of the thorax or abdomen, or in some cases, extruding from the rectal cavity.
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