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Earthworms are shifting their ranges northwards into forests between 45° and 69° latitude in North America that have lacked native earthworms since the last ice age. [3] Of the 182 taxa of earthworms found in the United States and Canada, 60 (33%) are introduced species, these earthworm species are primarily from Europe and Asia.
The fall armyworm is widely distributed in eastern and central North America and in South America. It cannot survive overwinter in below freezing temperatures, [7] [8] so it only survives the winter in the most southern regions of the United States, namely Texas and Florida.
larva crawling Thyridopteryx ephemeraeformis, evergreen bagworm Thyridopteryx ephemeraeformis, evergreen bagworm. The evergreen bagworm (Thyridopteryx ephemeraeformis), commonly known as bagworm, eastern bagworm, common bagworm, common basket worm, or North American bagworm, is a moth that spins its cocoon in its larval life, decorating it with bits of plant material from the trees on which it ...
Alabama argillacea, the cotton leafworm or cotton worm, [1] [2] is a moth of the family Erebidae. It is native to the New World, but has been extirpated from the United States and Canada, having not been recorded since 1998. [3] In the Neotropics, it can be found from Mexico to northern Argentina. The larva is considered a pest of cotton.
Dracunculiasis, or Guinea worm disease, is an infection by the Guinea worm that causes severe pain and open wounds when guinea worms exit the body through the skin. [1] In 1986, there were an estimated 3.5 million cases of Guinea worm in 20 endemic nations in Asia and Africa. [2]
Earthworm head. Depending on the species, an adult earthworm can be from 10 mm (0.39 in) long and 1 mm (0.039 in) wide to 3 m (9.8 ft) long and over 25 mm (0.98 in) wide, but the typical Lumbricus terrestris grows to about 360 mm (14 in) long. [9]
The first clear distinction between the nemas and gordiids was realized by František Vejdovsky when he named the group containing the horsehair worms the order Nematomorpha in 1886. [ 25 ] In 1910, Grobben proposed the phylum Aschelminthes, and the nematodes were included as class Nematoda alongside the classes Rotifera , Gastrotricha ...
Dracunculiasis, also called Guinea-worm disease, is a parasitic infection by the Guinea worm, Dracunculus medinensis. A person becomes infected by drinking water contaminated with Guinea-worm larvae that reside inside copepods (a type of small crustacean).
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