Leionotoxenos arvensidis (Pierce, 1911) comb. nov.
Pseudoxenos arvensidis Pierce, 1911: 499.
Hosts.
Euodynerus annulatus arvensis (Saussure, 1869) (as Odynerus (Leionotus) arvensis Saussure, 1869) (Pierce 1911), Euodynerus annulatus sulphureus (Saussure, 1858) (Kinzelbach 1971b).
Distribution.
USA: Illinois (Pierce 1911).