Key to species of Knightocoris

1 General color reddish ochraceous; apex of head, and scutellum black; antennae ochraceous with base and apex of the first segment black; membrane of hemelytron pale brownish; legs pale ochraceous ............................... K. villosus

- General color yellow; apex of head and scutellum yellow; antennae black with base of the first segment pale; membrane of hemelytron hyaline; legs yellowish with tibiae (except first tibia) black............................ K. carlosleitei n.sp.