Eutryxalis filata bellula Rehn, J.A.G., 1944

Rehn, J. A. G. 1944. A Revision of the locusts of the group Hyalopteryges (Orthoptera: Acrididae, Acridinae). Transactions of the American Entomological Society (Trans. Amer. Entomol. Soc. ) 70:181-234, 1 pl. , 37 figs.