IRScNB_P4087_RBINS17630_43_Bulletin 39.pdf
Bulletin of the Royal Belgian Institute of Natural Sciences 1949-1971 / 43 - 1967 François, F.J.J. 1967.
On the generic position of "Plesiocera" flavifrons Becker and of a few related species (Diptera, Bombyliidae).
irscnb_p4087_rbins17630_43_bulletin-39.pdf
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