http://www.atlashymenoptera.net/page.aspx?id=160 Accessed 29/3/2024 Year Latitude Longitude Authors Pub_year Source 1874 51.31506 3.21522 Rasmont & Pauly 30.IV.2010 www.atlashymenoptera.net 1877 50.85785 4.3497 Rasmont & Pauly 30.IV.2010 www.atlashymenoptera.net 1979 50.40272 4.75888 Rasmont & Pauly 30.IV.2010 www.atlashymenoptera.net