@article {40, title = {Identification key to the subfamilies of Ichneumonidae (Hymenoptera)}, year = {2015}, author = {Broad, G.R.} } @article {39, title = {Key to species of Netelia in Britain and Ireland}, year = {2015}, author = {Broad, G.R.} } @article {38, title = {Keys for the identification of British and Irish nocturnal Ichneumonidae}, year = {2018}, author = {Broad, G.R.} }