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West Nile Virus Update

Adult Mosquito Graphs

When Should I Call Vector Control?

When Should I Contact Vector Control? Contact our office if: You are bothered by mosquitoes, a trained employee will investigate and lend assistance. You need help to prevent or control mosquito breeding in your backyard. You have an ornamental pond, unused swimming pool or an animal drinking trough, mosquito fish will be furnished without charge.

Mosquito Life Cycle

Mosquito Life Cycle Eggs The most common mosquitoes lay egg rafts that float on the water. Each raft contains from 100 to 400 eggs. Within a few days the eggs hatch into larvae. Larva The larva or “wiggler” comes to the surface to breathe through a tube called a siphon. It sheds its skin or […]

Insect Trivia

Insect Trivia Q. What is Oregon’s state insect? A. The Swallowtail Butterfly Q. What is the most dangerous insect? A. The mosquito because it carries so many deadly diseases Q. How long does it take for a mosquito to “hatch”? A. Only seven days are required to complete their life cycle (egg to adult mosquito) […]

Mosquito Facts

Mosquito Facts There are over 3300 species of mosquitoes worldwide. It is responsible for more human deaths than any other living creature (source: Metropolitan Mosquito Control District, St. Paul, MN). There are 48 known species of mosquitoes in Oregon. Several of the species found in Oregon can carry disease under the right conditions. All mosquitoes […]

Personal Protection from Mosquitoes

Personal Protection from Mosquitoes May and June are frequently the worst months in our area for mosquitoes. The Vector District controls mosquitoes in large breeding areas on public and private property, but cannot find and control backyard breeding sources where neighborhood mosquitoes develop. For a more enjoyable spring and early summer, we offer the following […]

Where Did The Name Mosquito Come From?

Where Did the Name Mosquito Come From? The Spanish called the mosquitoes, musketas. The native Hispanic Americans called them zancudos. The word mosquito is Spanish or Portuguese meaning little fly, while zancudos, also a Spanish word, means long-legged. The use of the word mosquito is apparently of North American origin and dates back to about […]

Mosquito Control Around Your Home

Mosquito Control Around Your Home Learn How to Protect Your Home from Becoming a Mosquito Breeding Ground Many of the mosquitoes found around your home have bred on or around your or your neighbor’s property. Mosquitoes require standing water for their production. Eliminating standing water early in the spring will reduce the production of those […]

Clackamas County Vector Control

Clackamas County Vector Control