What is an Exotic Species?

A species is exotic if it is found in an area it does not normally occur in. Exotic species may be harmless, beneficial, or invasive in their new area.

How do I know it is an exotic 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!


Mediterranean
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. (invasive)

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. (invasive)

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. (invasive)

Visit OFF Info Page

Mexican Fruit Fly

A large number of commercially grown crops in California would be threatened by the introduction of this pest, including peach, avocado, orange, grapefruit and pear. (invasive)

Guava Fruit Fly

This fruit fly is a brightly-colored brown and yellow fly approximately six millimeters (mm) in length. The wings are clear with a yellow spot. It has the potential to become a major pest of citrus, peach, and several kinds of tropical and subtropical fruit hosts. (invasive)

Caribbean Fruit Fly

The Caribbean fruit fly has been recorded infesting a number of cultivated and wild fruit including apple, avocado, bell pepper, carambola, citrus, date palm, guava, kumquat, loquat, mango, papaya, peach, pear, pomegranate and tropical almond. (invasive)

White Striped Fruit Fly

The White Striped Fruit Fly is an exotic insect pest that poses a threat to fruits, vegetables and other plants. Until July 9, 2009, this species had never before been officially documented in the Western Hemisphere. (invasive)

Peach Fruit Fly

The peach fruit fly is one of the most destructive flies in India, causing crop losses of 25 to 100 percent in peach, apricot, guava and figs. In recent years, it has increased its host range, especially on fruit. (invasive)

Spotted Wing Drosophila

This fly family pest likes cherries, raspberries, blackberries, blueberries, strawberries, plums and nectarines. (invasive)

Bagrada Bug

The Bagrada Bug belongs to the stink bug family and is an exotic pest in the U.S. It was first reported in Los Angeles in June, 2008, and started causing damage to broccoli, cabbage, cauliflower, kale, radish, rutabaga, collards and other crops. (invasive)

Olive Fruit Fly

Olive fruit fly is the major insect pest of olive crops worldwide. This species lays its eggs in all sizes of fruit, but prefers large green fruit. (invasive)