Gj. Michels et Rl. Whitakerdeerberg, RECOVERY OF APHELINUS-ASYCHIS, AN IMPORTED PARASITOID OF RUSSIAN WHEAT APHID, IN THE TEXAS PANHANDLE, The Southwestern entomologist, 18(1), 1993, pp. 11-17
Aphelinus asychis Walker, an exotic aphelinid which was imported and r
eleased for control of the Russian wheat aphid, Diuraphis noxia (Mordv
ilko), was recovered in 1992 in the Texas Panhandle near Amarillo, Tex
as, two years after releases were made in that area. This recovery ind
icates the establishment of A. asychis in this region.