Verticillium lecanii

Verticillium lecanii is a species of fungus that is commonly used as a biological control agent against various insect pests. It is a member of the Verticillium genus, which is known for its ability to infect and kill insects.

Taxonomy

Verticillium lecanii was first described in 1861 by the Italian mycologist Pier Andrea Saccardo. It is classified within the Ascomycota division of fungi, which is characterized by the production of spores in a structure called an ascus. Within this division, it belongs to the Hypocreales order and the Cordycipitaceae family.

Biology

Verticillium lecanii is a parasitic fungus that infects insects by penetrating their cuticle. Once inside the host, it proliferates and eventually kills the insect. The fungus then produces spores on the surface of the dead insect, which can infect other insects.

The fungus is capable of infecting a wide range of insects, including aphids, whiteflies, thrips, and scale insects. It is particularly effective against insects that have a soft cuticle, such as aphids and whiteflies.

Use in Biological Control

Due to its ability to infect and kill insects, Verticillium lecanii is often used as a biological control agent in agriculture and horticulture. It is typically applied as a spore suspension, which can be sprayed onto plants or soil.

The use of Verticillium lecanii as a biological control agent has several advantages. It is environmentally friendly, as it does not involve the use of synthetic pesticides. It is also safe for humans and other non-target organisms. However, its effectiveness can be influenced by environmental conditions, such as temperature and humidity.

See Also

• Biological pest control
• Entomopathogenic fungus
• Integrated pest management