Checklist of British and Irish Hymenoptera - Braconidae Broad, Gavin R. Shaw, Mark R. Godfray, H. Charles J. Biodiversity Data Journal 2016 4 8151 8151 42WNZ Nees, 1834 Nees 1834 Insecta Braconidae Microgaster CoL Animalia Microgaster nigricans Hymenoptera 0 8151 Arthropoda species nigricans  Notes A species of doubtful status. Curtis (1837)listed nigricans as a British species and Papp (1976), who stated that it was known only from the male, therefore listed it as English. Nixon (1968), however, did not deal with the name.