Morffe, J.; García, N.; Davis, A. K. Redescription of the Females of Hystrignathus rigidus Leidy, 1850 (Nematoda: Hystrignathidae), Parasites of Odontotaenius disjunctus (Coleoptera: Passalidae) from Eastern USA. Zootaxa 2015, 3941, 131–136.