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Public Works - Mosquito Control 

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Threat Condition
Threat Condition

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THE BUZZ

Volume 5, 16   (Week 30)

July 27, 2006

 
Mosquito Activity (Scale from 0 to 5)
  • The city received 0.04 inches of rain last week. Hot and dry conditions have continued, and mosquito breeding sites are decreasing as a result.
  • Mosquito activity remains a 2 for most of the city.
  • The only major mosquito problem at this time is caused by tiger mosquitoes. The only way to reduce tiger mosquito populations is to get rid of the breeding habitat. Citizens must do their part to control mosquitoes by keeping rain gutters, bird baths, flower pot saucers, kid toys, old tires, etc. clean and dry.
Surveillance
  • 10 CDC style light traps were set this week, a total of 554 mosquitoes were caught, for an average of 55 per trap. This is one of the lowest trap counts in the past 10 weeks.
  • 7 Gravid style traps were set this week, a total of 150 mosquitoes were caught, for an average of 21 per trap.
  • Hot dry conditions will further reduce the number of adult mosquitoes around.
  • No mosquito samples have tested positive for West Nile Virus this year.
Service Requests
  • We received 2 complaint calls this week.
Control
  • Crews applied a barrier treatment to the Rotunda/Crystal Lakes area and around the ball fields and Churchland High School. This was to combat the high numbers of mosquitoes caught in the nearby traps from the past two weeks.
  • Crews are also continuing to treat any remaining standing water, including ditches, storm drains, and catch basins.
  • Truck fogging will be done as mosquito activity and weather conditions permit.
  • Mosquito Spraying information is posted on the Mosquito Spray Hotline at 393-8666.

Mosquito Trap Counts

 
City of Portsmouth, Virginia - All rights reserved.

last updated August, 2006