hairworm

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Trichostrongylus

(trik'ō-stron'ji-lŭs),
The hairworm, or bankrupt or black scour worm; an economically important genus (about 30 species) of small slender nematodes (family Trichostrongylidae) that inhabit the small intestine, in some cases the stomach, of a variety of herbivorous animals and gallinaceous birds. They burrow into the mucosa and suck blood; in large numbers they do serious damage, especially to young hosts.
[tricho- + G. strongylos, round]

hairworm

(hâr′wûrm′)
n.
2. Any of various slender parasitic nematode worms, especially those of the genus Trichostrongylus that infest the stomach and small intestine of cattle, sheep, and related animals, and those of the genus Capillaria that infest the digestive system of poultry and other animals.
References in periodicals archive ?
Para la epoca humeda (Noviembre, 2010), Arthropoda represento el 78%, seguido de Mollusca con 13.74%, Annelida con 7.33% y Nematomorpha con 0.92% (Figura 5).
Toxicity of the herbicide glyphosate to Chordodes nobilii (Gordiida, Nematomorpha).
Considering the inventory done by Biota Project FAPESP (Steiner and Amaral, 1999), it is possible to infer that Japi Mountain is an important area to conserve unique species described for the state of Sao Paulo, like Nemertea Prostoma eilhardi (Montgomeri, 1894) (Forneris, 1999b) and Nematomorpha Paragordiusflavescens Linstow, 1906 (Forneris, 1999c), even with the low identification resolution of some less abundant taxa.
Synopsis and identification of North American hairworms (Gordioidea: Nematomorpha).
The least common organisms were Plecoptera, Gastropoda, Ostracoda, Oligochaeta, and Nematomorpha. Benthic community composition, although highly variable from stream to stream, was similar among streams with and without sculpin, and those where sculpin were reintroduced (Fig.
Important for the determination of Nematomorpha species are cuticular characters such as the structure of the body cuticle or cuticular structures in the male posterior end.
Hairworms, or Gordioidea, are fresh water members of the Phylum Nematomorpha. These enigmatic organisms, which stand apart from other invertebrates, have been little studied due to their secretive habits, difficulty in rearing, lack of economic importance and problems regarding their identification.
% by % by Month N Prey item FOC number SE weight SE April 3 Chironomidae 33.3 13.3 13.3 2.0 2.0 Zygoptera 33.3 11.1 11.1 13.3 13.3 Amphipoda 100.0 75.6 12.4 84.6 12.4 June 4 Chironomidae 50.0 8.2 4.8 3.5 2.4 Trichoptera 25.0 0.7 0.7 3.4 3.4 Ephemeroptera 50.0 1.8 1.1 1.6 1.5 Hemiptera 25.0 1.1 1.1 1.1 1.1 Amphipoda 100.0 76.2 9.9 88.9 5.6 Cladocera 50.0 11.9 7.7 1.5 .9 August 7 Chironomidae 71.4 29.3 11.7 27.3 12.1 Zygoptera 14.3 0.5 0.5 0.7 0.7 Trichoptera 28.6 1.1 0.9 1.1 1.0 Ephemeroptera 57.1 15.1 14.2 3.2 2.9 Nematomorpha 28.6 0.4 0.3 0.1 0.03 Lepidoptera 14.3 0.2 0.2 0.1 0.05 Hemiptera 71.4 20.2 13.6 15.2 14.1 Mollusca 71.4 15.1 9.9 26.7 14.1 Amphipoda 42.9 17.7 9.0 11.9 8.3 UIR 28.6 0.4 0.2 1.4 0.9 UR 28.6 .
Key Words: Gordius difficilis, Gordius robustus, Phylum Nematomorpha, Lepomis megalotis, Salmo trutta, Centrarchidae, Salmonidae, Minnesota, Missouri
Phylum 4 Nematomorpha (Nematomorphs, Gordian Worms, Horsehair Worms)
The phylum Onychophora unites the primitive features of "worms," such as Nematoda and Nematomorpha, with those of the arthropods (Grimaldi & Engel, 2005).