00000nam 2200000za 4500 9.608409 CaOODSP 20200330184855 ta 150406|1992||||xxc||||| f|0| 0 eng d 0-660-13830-1 0706-7313 CaOODSP eng n-cn--- A42-42/1991-18E Canada. Agriculture Canada. Research Branch. The flower flies of the subfamily Syrphinae of Canada, Alaska and Greenland (Diptera: Syrphidae) / by J. R. Vockeroth. Ottawa - Ontario : Agriculture Canada. 1992. 455p. : figs., maps, references ; 23 cm. The insects and arachnids of Canada 0706-7313 Part 18 Softcover 92-23 1992-06-05 Vockeroth, J. R. The flower flies of the subfamily Syrphinae of Canada, Alaska and Greenland (CaOODSP)9.811395 The insects and arachnids of Canada, 0706-7313 Part 18 (CaOODSP)9.514402 Publication 1867