Xyonysius

Xyonysius is a genus of seed bugs in the family Lygaeidae. There are about eight described species in Xyonysius.

Species
These 10 species belong to the genus Xyonysius:
 * Xyonysius acticola Baranowski & Slater, 1997
 * Xyonysius adjunctor (Barber, 1947)
 * Xyonysius basalis (Dallas, 1852)
 * Xyonysius californicus (Stal, 1859) (California false chinch bug)
 * Xyonysius ellipticus (Berg, 1892)
 * Xyonysius humilis (Spinola, 1852)
 * Xyonysius naso (Van Duzee, 1933)
 * Xyonysius volxemi (Distant, 1888)