00983nam0-22003251i-450-990002038320403321200210100-9502891-4-0000203832FED01000203832(Aleph)000203832FED0100020383220021010d--------km-y0itay50------baitaBritish hoverflies an illustrated identification guideAlan E. Stubbsdepicting Steven J. FalkLondonBritish Entomological & Natural History Society1983253 p. 12 tv. color.25 cmDitteriDiptera, Syrphidae595.77Stubbs,Alan E.86717Falk,Steven J.ITUNINARICAUNIMARCBK99000203832040332161 V D.1/1632846 (8/6/91)DAGENDAGENBritish hoverflies an illustrated identification guide407452UNINAING01