Metallon psyllae 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 57Z6X Ruschka, 1923 Ruschka 1923 Insecta Encyrtidae Trechnites CoL Animalia Trechnites psyllae Hymenoptera 0 8013 Arthropoda species psyllae   Metallon psyllaeRuschka, 1923  Distribution England,