title: Checklist of British and Irish Hymenoptera - Trigonaloidea.
abstract: BACKGROUND
  The British and Irish checklist of Trigonaloidea comprises a single species, Pseudogonalos hahnii(Spinola), which is the only species in Europe.
  
  
  CONCLUSIONS
  Country-level distribution and nomenclature of Pseudogonalos hahniiare updated.
authors.affiliation: The Natural History Museum, London, United Kingdom.
authors.forename: Gavin R
authors.initials: GR
authors.lastname: Broad
keywords: Britain; Trigonalyidae; Trigonalyoidea; fauna