Populus tremula, Belgium, prov. Namur, Viroinval, Oignies-en-Thiérache © Sébastien Carbonnelle

exit hole

gall

smooth one-sided swelling of a current-year shoot. Between bark and wood lies a solitary maggot with a black cephalic skeleton, or a puparium. Adults emerge in spring.

host plants

Salicaceae, monophagous

Populus alba, nigra, tremula.

Reference to Cytisus are certainly incorrect, those to Salix probably as well (Spooner & Bowdrey, 2012a).

synonyms

Agromyza, Melanagromyza, schineri.

references

Béguinot (2000b), Benavent ao (2004a), De Bruyn & von Tschirnhaus (1991a), Buhr (1955a, 1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Hering (1943a), Houard (1908a, 1909a), Kieffer (1891a), Papp & Černý (2015a), Redfern & Shirley (2011a), Robbins (1991a), Sasakawa (1961a), Skuhravá & Roques (2000a), Spencer (1972a, 1976a), Spooner & Bowdrey (2012a), Stary (1930a), Süss (1979a), Tavares (1905a), Tomasi (2014a), von Tschirnhaus (1999a), Zlobin (1986b).