Macrophya duodecimpunctata Linnaeus, 1758
Meise ● Belgium
Description: Black body, with cream-whitish marks. It has long legs and antennas. The wings are brown. Size: 10-12mm.
Biology: The adults fly in summer. Food plants: Cyperaceae and Gramineae.
Adults of M. duodecimpunctata are particularly attracted to Alnus, which was stated to be a host in some earlier sawfly literature. Egg-laying on Alnus by M. duodecimpunctata was thought to have been observed by Chambers (1947).
Distribution: Widespread and locally abundant Palaearctic species, recorded in most European countries including southern Sweden and Norway (Taeger et al. 2006).
Sawfly Study Group, Newsletter 4, November 2009.
Data Base of Insects and their Food Plants