About cockroaches
They are known as a pest insect because they cohabit with humans in dwellings, especially in kitchens, where some species can carry disease organisms like Salmonella, which may cause gastroenteritis, dysentery, tuberculosis, hepatitis and typhoid fever.
Cockroaches can also carry viruses and eggs of worm parasites and the health threat posed by cockroach populations closely cohabiting with humans justifies their control.
Most native Australian cockroaches are found among the vegetation, leaf litter and soil of undisturbed habitats. There are only a small number of pest cockroaches, most are introduced species and this article describes the main pest cockroaches and suggests preventative and practical control methods.