Biomass of Simuliidae larvae was measured on individual rocks in four surveys of southern Québec streams to quantify the intensity and importance of relationships between biomass of black flies and ...

Transactions of the American Entomological Society (1890-), Vol. 121, No. 1/2 (Mar. - Jun., 1995), pp. 1-57 (57 pages) The Simulium jenningsi species-group is concentrated in the eastern half of North ...

THE Simuliidæ or 'black flies' are represented in Britain by nineteen species. Their larvæ and pupæ are always aquatic, and the adult females are active blood-suckers. In the British Isles the attacks ...

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