Dithryca guttularis (Meigen, 1826)

on Achillea

gall

fleshy, fusiform swelling of the stem base, root or rhizome, up to 12 mm long; inside one white maggot or a puparium.

host plants

Asteraceae, monophagous

Achillea millefolium, nobilis subsp. neilreichii.

synonyms

Ditricha guttularis.

references

Baugnée (2006a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Greve (1999a), Houard (1909a), Korneyev (2002a), Lutovinovas (2014a), Merz & Kofler (2008a), Niblett (1940a), Redfern & Shirley (2011a), Roskam (2019a), Smit (2010a), Spooner & Bowdrey (2012a), White (1988a).