Simulium


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Simulium

(si-mū'lē-ŭm),
A genus of biting gnats or midges, the black flies, humpbacked flies, or buffalo gnats in the dipteran family Simuliidae. The aquatic larvae require swift-flowing streams or highly oxygenated waters for their development, a critical epidemiologic factor in the role of these flies as disease vectors. In Central and South America, Mexico, and across central Africa, various species transmit Onchocerca volvulus, agent of human onchocerciasis.
Synonym(s): Eusimulium
[L. simulo, to simulate]

Simulium

/Si·mu·li·um/ (sĭ-mu´le-um) a genus of biting gnats; some species are intermediate hosts of Onchocerca volvulus.

simulium

(sə-myo͞o′lē-əm)
n.
Any of various black flies of the genus Simulium, several species of which transmit the parasitic filarial worms that cause onchocerciasis.

Simulium

a genus of insects in the family Simuliidae causing insect worry with livestock. Cutaneous lesions may include vesicles and wart-like papules, and edema and petechiation of thin-skinned, ventral areas. Poultry may be affected by anemia. The species also transmits a number of animal diseases including the viruses of vesicular stomatitis and eastern equine encephalomyelitis, the protozoa, Leucocytozoon and Haemoproteus spp., and are intermediate parasites for some Onchocerca spp. Called also black fly, buffalo gnat.
There are a large number of species distinguished largely by their geographic distribution: Simulium arcticum, S. callidum, S. columbaczense, S. damnosum, S. erythrocephalum, S. indicum, S. metallicum, S. neavei, S. ochraceum, S. ornatum, S. pecuarum, S. rugglesi, S. venustum.
References in periodicals archive ?
5), el segundo grupo esta conformado por los generos Cricotopus, Simulium y Andesiops, que tienen una gran preferencia por la MOPF (recolectores), cuya proporcion en el contenido intestinal fue ~68%, aunque en este grupo tambien aparecen agrupados los generos Camelobaetidius y Leptohyphes para los cuales no hubo un consenso en la clasificacion de su dieta (Fig.
2012) demonstraram que a maior parte das especies de simulideos nos rios do Cerrado (Tocantins, Brasil) tem uma tendencia a associacao com o folhico de correnteza, exceto por Simulium nigrimanum Macquart (1838) a microhabitat rochoso, esta associacao tambem foi descrita por (SHELLEY et al.
Simulium guianense is reported here for the first time in the states of Piaui and Ceara, in the Parnaiba River hydrographic basin (Table 1).
Good species behaving badly: non-monophyly of black fly sibling species in the Simulium arcticum complex (Diptera: Simuliidae).
Pt II: Description of males, females and pupae of Simulium rufibasis Brunetti, its variety fasciatum nov.
Relative abundance of both species viz~, Simulium amivirgulatum and Ixodus ricinus close to and away from the river.
Similarity in oviposition aggregation pheromone composition within the Simulium damnosum (Diptera:Simuliidae) species complex.
Con respecto a la composicion de macroinvertebrados (Figura 2), se obtuvo que 72 generos fueron compartidos por las dos quebradas, entre ellos Anacroneuria, Andesiops, Atopsyche, Baetodes, Camelobaetidius, Cricotopus, Cyphon, Elodes, Farrodes, Gigantodax, Heterelmis, Lachlania, Leptohyphes, Leptonema, Macrelmis, Polypedilum, Prebaetodes, Rheotanytarsus, Scirtes, Simulium, Smicridea, Stenelmis y Tipula.
japonica, por el contrario, Jackson y Brooks (1995) indican que los estadios iniciales de Simulium vittatum (Zetterstedt, 1838) (Diptera: Simuliidae) son menos susceptibles a la infeccion con S.
The latter is a parasitic filaroid-worm that is transmitted by a blood-sucking black fly, Simulium sp.
For example, trachoma is endemic in communities in dry, dusty environments where water is scarce and the local environment often unhygienic, (3) whereas onchocerciasis occurs mainly in communities close to rivers with characteristic topography that provides suitable breeding sites for the vector--the simulium species of black fly.