Syrphidae literature

Keyword in title:
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We found 1 records. keyword "Portevinia maculata" and ordered by year

Speight, M.C.D. (1986): Portevinia maculata (Fallén): last instar larva and puparium, with notes on the relationship between this hoverfly and its host plant, Allium ursinum (Diptera, Syrphidae) - Nouv.Rev.Ent.N.S. 3(1), 37-43