M.  Ida, ?Revision of the European species of the genus Hadrodactylus Förster (Hymenoptera: Ichneumonidae). Part 1 ?, Insect Systematics & Evolution, vol. 10, no. 4, pp. 303 ? 313, 1979.

G. R.  Broad, ?Identification key to the subfamilies of Ichneumonidae (Hymenoptera)?, 2011. [Online]. Available: http://www.brc.ac.uk/sites/www.brc.ac.uk/files/pictures/resources/ichneumonidae-subfamily-key.pdf.

E.  Hewett, ?Observations on the ova and larvae of Netelia vinulae (N. cephalotes Holmgren) (lchneumonidae: Tryphoninae), a gregarious ectoparasitoid of the Puss moth caterpillar, Cerura vinula ?, Bulletin of the Amateur Entomologists' Society., vol. 57, 1996.