Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea Dale-Skey, Natalie Askew, Richard R. Noyes, John S. Livermore, Laurence Broad, Gavin R. Biodiversity Data Journal 2016 4 8013 8013 7BZ7N Walker, 1840 Walker 1840 Insecta Signiphoridae Thysanus CoL Animalia Thysanus ater Hymenoptera 0 8013 Arthropoda species ater  Distribution England