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 ...
Object Details Notes Cover title This pamphlet supplements 'A new taxonomic and geographical inventory of world Blackflies (Diptera: Simuliidae), published on 28 March, 1997 ...
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