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 55T9T 2931495 Graham, 1991 Graham 1991 Insecta Eulophidae Tetrastichus CoL Animalia Tetrastichus pachycerus Hymenoptera 0 8013 Arthropoda species pachycerus  Distribution England  Notes Added by Graham (1991)