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Veldgids Zweefvliegen includes more than 1,600 photos and handy identification keys. 384 species, in short allhoverflies in the Netherlands and Belgium.
Deze gids maakt deze fascinerende groep toegankelijk voor beginners en herkenning in het veld.
The most complete photographic field guide to hoverflies of Britain and North-west Europe ever written.
Portretten van twintig soorten wilde bijen en twintig soorten zweefvliegen.
A groundbreaking guide to flower flies in North America.
The Atlas of the Hoverflies of Greece is the first of a kind within the Mediterranean region containing all 418 species.