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on Valeriana, secondary host plant

gall

Apterae 2-3 mm, dark grey or yellowish-green grey, wax-powdered. They live at the basal part of the stems and on superficial roots; ant-attended

host plants

Caprifoliaceae, monophagous

Valeriana officinalis.

synonyms

Jezabura brancoi.

notes

Populations with longer hairs are considered a separate subspecies, viz. D. brancoi rogersoni (Stroyan, 1955); Heie gives a detailed description.

references

Blackman & Eastop (2014), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b), Heie (1992a), Lampel & Meier (2007a), Petrović (1998a), Wojciechowski, Depa, Halgoš ao (2016a).