Nematodes, also known as roundworms, can parasitize a wide range of insect pests. There are various species and strains, all with great differences in efficacy.
The predatory bug Orius laevigatus is the most widely used Orius species for the biological control of thrips. Under normal conditions the females consume around 12 thrips a day.
The predatory mite Neoseiulus californicus is an effective natural enemy of various species of spider mite. Although the mite cannot see, it is well able to find its prey.
For many years, the parasitic wasp Encarsia Formosa was the only natural enemy used against whitefly. It is capable of using various species of whitefly as hosts.
The predatory mite Amblyseius swirskii feeds on a wide range of prey. It can develop and reproduce while feeding on non-prey food sources such as pollen.