J. Morffe, N. García, and A. K. Davis, “Redescription of the females of Hystrignathus rigidus Leidy, 1850 (Nematoda: Hystrignathidae), parasites of Odontotaenius disjunctus (Coleoptera: Passalidae) from eastern USA”, Zootaxa, vol. 3941, no. 1, pp. 131–136, Mar. 2015.