CrompusCrompus is a genus of seed bugs in the family Lygaeidae. Crompus are terrestrial insects in the Ischnorhynchinae subfamily of seed bugs that are endemic to Australia. There are three described species in Crompus.SpeciesThese three species belong to the genus Crompus: Crompus nesiotes Ashlock, 1967 Crompus oculatus Stål, 1874 Crompus opacus Scudder, 1958