What is an Invasive Species?

An invasive species is a non-native organism (plant, animal or disease) that can or does harm a new environment. Invasive species can be a relocated native species that does harm in its new home or an invasive species can be a foreign species from another continent.

MOST invasive species are moved by humans!

How do I know it is an invasive species?

You don’t always know what you have, but there is help!

This website provides several ways to contact a state agency to identify your specimen. Look for the downloadable app to report suspect insects; an electronic form to fill out and send; a Hotline number (1-800-491-1899) to call; or a link to each county’s agricultural commissioner or extension offices.

The choice is yours!

Asian Citrus Psyllid

Asian Citrus Psyllid (Diaphorina citri) is an Asian psyllid that is a vector of huanglongbing (HLB), a serious disease of Citrus sp. plants. It is a species with international quarantine status.

Visit ACP Info Page

Asian Longhorned Beetle

The Asian longhorned beetle (Anoplophora glabripennis) is a destructive wood-boring pest of maple and other hardwoods.

Visit ALB Info Page

Emerald Ash Borer

Emerald Ash Borer (Agrilus planipennis) is an Asian native found in North America in 2002. It attacks Ash trees (Fraxinus sp.), which is an important lumber and shade tree in North America.

Visit EAB Info Page
European Grapevine Moth

European Grapevine Moth

The European Grapevine Moth (lobesia botrana) is a significant agricultural pest throughout much of the world. It was first detected in the U.S. in California in Sept 2009.

Visit EGVM Info Page

Oak Borer

Goldspotted oak borer (Agrilus auroguttatus) is responsible for major oak mortality on federal, state, private and Native American lands in southern California.

Visit GSOB Info Page

Gypsy Moth

The gypsy moth (Lymantria dispar) is a weak flyer but a subspecies, Asian gypsy moth, is an excellent flyer and the two can interbreed and produce offspring with varying degrees of flight.

Visit GM Info Page

Japanese Beetle

The Japanese beetle (Popillia japonica) was found in New Jersey in 1916 and has been causing massive damage and spreading westward ever since. It is particularly fond of airplane rides!

Visit JB Info Page

Fruit Fly

The Mediterranean fruit fly (Ceratitis capitata) is a species with international quarantine status. It uses over 250 species of fruit for its lifecycle. (exotic)

Visit Medfly Info Page

Melon Fly

The melon fly (Bactrocera cucurbitae) usually lays eggs under the skin of host fruit. Eggs may also be laid into flowers, stems and exposed roots, hatching into larvae which tunnel through the flesh of the fruit.

Visit ML Info Page

Oriental Fruit Fly

The oriental fruit fly (Bactrocera dorsalis) is a native of tropical Asia. The adult OFF lay eggs in ripening fruit where the egg hatches, feeds as a larvae and leaves the rotting fruit at pupae state.

Visit OFF Page

Red Imported Fire Ant

The red imported fire ant (Solenopsis invicta) is a formidable foe wherever it establishes a colony. The RIFA is between 1/16 to 1/4-inch in length, reddish-brown in color and extremely aggressive in behavior.

Visit RIFA Info Page

Red Palm Weevil

The Red Palm Weevil (Rhynchophorus ferrugineus) is one of the most serious pests of palm tree. It is a species with international quarantine status. In 2010, it was first found in North America, in California.

Visit RPW Info Page

Red Imported Fire Ant Image courtesy of Alex Wild Photography | Other images courtesy of Bugwood.org