Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea Author Dale-Skey, Natalie Author Askew, Richard R. Author Noyes, John S. Author Livermore, Laurence Author Broad, Gavin R. text Biodiversity Data Journal 2016 4 8013 8013 http://dx.doi.org/10.3897/BDJ.4.e8013 journal article http://dx.doi.org/10.3897/BDJ.4.e8013 1314-2828--8013 Megastigmus Dalman, 1820 CYCLONEURON Dahlbom, 1857 TROGOCARPUS Rondani, 1877 MEGALOSTIGMUS Schulz, 1906 XANTHOSOMOIDES Girault, 1913 EUMEGASTIGMUS Hussey, 1956