2. Neoxorides borealis (Cresson, 1870)

Synonym: Xorides occidentalis Cresson, 1879 (Rohwer 1920: 447) .

The species occurs exclusively in the Nearctic region being known from Canada and western part of USA (southwards to California and Arizona) (Townes & Townes 1960: 392). Recorded as parasitoid of wood-boring Coleoptera in coniferous and deciduous trees: Melanophila drummondi (Kirby) (Buprestidae), Atimia confusa dorsalis LeConte, Hylotrupes bajulus (L.), Semanotus ligneus (F.) and Tetropium velutinum LeConte (Cerambycidae) (Rohwer 1920: 447; Townes 1944: 84; Carlson 1979: 352).

Distribution. Nearctic species; unknown from Mexico.