Syrphidae literature

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We found 5 records. keyword "Blera" and ordered by year

Goffe, E.R. (1944): The genus Blera Billberg, 1820 (Dipt., Syrphidae) - J.Soc.Brit.Ent. 2(6), 229-231
Macgowan, I. (1984): Notes on Blera fallax (L.) (Dipt. Syrphidae) - Entomologist's monthly Magazine 120, 80
Delfos, M.J. (1988): Blera fallax komt toch in Nederland voor (Diptera, Syrphidae) - Ent.Ber.Amst. 48, 92-93
Barkalov, A.V. & Mutin, V.A. (1991): Revision of the Syrphid fly genus Blera Billberg, 1820 (Diptera, Syrphidae) - Entomological Review 70(9), 53-63
Barkalov, A.V. & Mutin, V.A. (1992): Revision of Hover-Flies of the genus Blera Billberg, 1820 (Diptera, Syrphidae). II. - Ent.Rev. 71(4), 115-131