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Tigers Bite

Posted on Wednesday, May 26th, 2010 at 11:36 am

Asian tiger mosquito, Aedes Albopictus

Asian tiger mosquito, Aedes Albopictus

Noticed anything new in the air lately? A high-pitched buzzing? Perhaps a six-legged, winged creature with a long proboscis out of the corner of your eye? The time of the mosquito is upon us. I received my first mosquito bite of the year the other day while innocently drinking my tea by the garden. I didn’t notice any stripes, but as the Asian tiger mosquito is now a well-established Maryland resident, I expect to see them soon.

Discovered in Maryland in 1987, the Asian tiger mosquito (Aedes albopictus) is an exotic species introduced to North America from Asia. Unlike the native Maryland mosquito, the Asian tiger is an extremely efficient carrier of viral disease. In 2001, tiger mosquitoes collected in Maryland tested positive for West Nile virus, a virus that mainly infects birds but can also infect humans and may result in flu-like symptoms or swelling of the brain. Only female mosquitoes bite, utilizing blood for egg development. Mosquitoes get most of their energy from flower nectar.

The best way to avoid mosquito bites is to eliminate mosquito breeding grounds. Tiger mosquitoes like to lay their eggs in pools of still water, especially in used tires. (Tires imported to Houston, Texas from Japan in 1985 may have brought tiger mosquitoes to the United States.) Here are some ways we can all work to reduce the number of mosquitoes we see this summer and the next:

  • Tip water out of barrels, buckets and wheelbarrows and turn them over so water cannot collect
  • Tip out containers that could hold water such as toys, cans or plant saucers weekly
  • Empty children’s wading pools weekly
  • Change water in birdbaths, pet watering dishes and animal troughs at least once a week
  • Get rid of old used tires
  • Clean debris from ornamental ponds and keep fountains running during the summer
  • Stock ornamental ponds with mosquito-eating fish, such as goldfish or koi
  • Maintain swimming pools and hot tubs
  • Recycle old bottles, buckets, and cans
  • Clean leaf-clogged gutters
  • Drain flat topped roofs
  • Dump water off of tarps and plastic sheeting
  • Drain water from covers on pools, boats and hot tubs
  • Repair leaky outdoor faucets
  • Cover rain barrels with mosquito screens
  • Cover garbage cans with an appropriate lid
  • Repair ripped window and door screens and make sure they fit tight; use a screen door on doors that often are left open
  • Fight the bite!

    Filed in: Baltimore, Global Research.

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  • About Amanda Barry

    Amanda Barry is a postdoctoral researcher studying metal transport in cells. Over the past fifteen years, she has conducted research in biochemistry, molecular biology, microbiology, crop and soil science, and aquatic chemistry. Ever since she can remember, she’s been trying to explain the mysteries of the world with the scientific method. An avid hiker and backpacker, Amanda has a special appreciation for the environment. When she’s not in the lab, Amanda can be found teaching her daughter the periodic table or making jam.

    If you have a scientific question you want answered, or if you are a researcher in the Baltimore area who wants to talk about your work, contact Amanda at bmorescientific@gmail.com.

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