The pest in the picture to the left is a glassy-winged sharpshooter. The name is not made up but the insect is considered both exotic and invasive to the state of California, this pest has is even been seen in Orange County.

A pest that is exotic and invasive is a pest that is not a native species (insect, plant, etc…) and has rapidly spread throughout the region. Exotic and invasive pests can be intentionally or accidentally introduced. But many times it is very difficult to eradicate the species and can often cause environmental problems within its new home.

According to invasivespeciesinfo.gov, almost half of endangered and threaten species in the United States are impacted by invasive species. The same site mentions that one study estimates that invasive species cost more than $100 billion for the United States every year.

It’s interesting to note that species that are staples in our country such as rice, corn and cattle were once introduced and could be considered invasive and exotic. So it’s possible to say that there are pros and cons. But more often than not, the introduction of invasive and exotic pests should be avoided.

Here are a few easy steps to prevent a non-native species from becoming invasive:

• Avoid dumping anything from an aquarium into local ponds, streams, etc… This include plants, fish and invertebrate
• Burn firewood where you buy it…transporting firewood can move insects and other pests from one region to another
• When possible, use native plants in your landscaping
• Think twice when buying exotic pests such as pythons, parrots, etc… these animals can cause numerous problems including threats to safety and human health

Here’s a great resource for invasive and exotic pests. This site includes information and pictures for exotic insects, plants, weeds and other species. Invasive.org is also a great place to find related links and publications dedicated to invasive and exotic pests.

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