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 1314-2828-4-8013 Necremnus tidius (Walker, 1839) Eulophus tidius Walker, 1839 metanira (Walker, 1839, Eulophus ) zeugma (Walker, 1839, Eulophus ) mamurius (Walker, 1848, Eulophus ) duplicatus Gahan, 1941 Distribution England Notes N. hippia (Walker, 1839, Eulophus ) was removed from synonymy under N. tidius by Gebiola et al. (2015) ; there is no evidence that N. hippia has been recorded from Britain as Walker did not specify a type locality and only a 'var.' was described as having being collected from near London, which is not equivalent to N. hippia sensu Gebiola et al. (2015) .