Portevinia maculata, also known as the ramsons hoverfly, is a European species of hoverfly. The adults can be found around Allium species when the plants are in flower (May–June). The larvae tunnel through and overwinter in the bulbs of this plant.[2]
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^Stubbs, Alan E.Carl Fredrik Fallen & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. p. 267, xvpp.
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Porteviniamaculata, also known as the ramsons hoverfly, is a European species of hoverfly. The adults can be found around Allium species when the plants...
Portevinia is a genus of hoverflies. There is only one European species - P. maculata. Portevinia altaica (Stackelberg, 1926) Portevinia dispar (Hervé-Bazin...
larval host plant for a specialised hoverfly, ramsons hoverfly (Porteviniamaculata). The flowers are pollinated by bees. Allium ursinum ramsons. The...
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