Argyresthia semifusca (Haworth, 1828)

brown rowan argent

on Crataegus, Prunus, Sorbus

gall

slight rotund to fusiform swelling of a young, but no longer green shoot, often just below a side branch; inside a yellow caterpillar; pupation external. Attacked shoots often are conspicuous because they droop.

host plants

Rosaceae, oligophagous

Crataegus; Prunus padus, spinosa; Sorbus aucuparia.

Strong preference for Prunus padus.

pupa

See Patočka (1997a), Patočka & Turcáni (2005a).

references

Agassiz (1996a), Bengtsson & Johansson (2011a), Buhr (1965a), Friese (1969a), Konečná (2013a), Leutsch (2011a), Patočka (1997a), Patočka & Turcáni (2005a), Tomasi (2014a).

mod 21.iii.2019