Diastrophus mayri Reinhard, 1876
Potentilla argentea, galls (from Houard, 1908a)
Poland, Bialowieza, Siemianowka Lake, 27.viii.2018 © Jerry Bowdrey
old galls, top one cut lengthwise. About the galls Jerry wrote: “Although the galls were old, I was able to extract two dead adult gall wasps from the gall, they had the large basal lobe of the tarsal claws characteristic of Diastrophus and distinguishing them from Xestophanes.”
1-3 cm long, irregular-fusiform, multilocular swelling of the stem, generaly high in the plant. In each cell one larva of pupa.
Potentilla argentea, grandiflora, heptaphylla, inclinata, supina, wimanniana.
Béguinot (2012a), Bellmann (2012a), Buhr (1965a), Coulianos & Karlsson (2014a), Dauphin & Aniotsbehere (1997a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Melika (2006a), Roskam (2009a).