Myrmecina graminicola (Latreille, 1802)

BELGIUM: • 1 dealate gyne; N51.199° E4.459°; vi/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♂; N51.193° E4.417°; viii/2021; J. Jacobs leg.; coll. RBINS; pan trap (blue); T. De Blanck & W. Dekoninck det. • 1 ♂; N51.125° E4.260°; ix/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; T. De Blanck & W. Dekoninck det. • 1 alate gyne; N51.184° E4.420°; ix/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; T. De Blanck & W. Dekoninck det. • 1 ♂; N51.193° E4.417°; ix/2021; J. Jacobs leg.; coll. RBINS; pan trap (blue); T. De Blanck & W. Dekoninck det. [5 occ. (1 year), 5 roofs]

Remarks:

Of Myrmecina graminicola four winged individuals and one dealate gyne were found and no workers. We therefore have no evidence for settlement on the green roofs.