Central Mass. Mosquito Control Project

Weekly Report- 9/16/07- 9/22/07

MMWR Epi. Week #38

 

 

Cumulative Surveillance Summary

Target Species

Ae. vex

Cq. per

Cs. mel

Oc. can

Culex

All Species

No. Pools

73

481

245

195

602

2993

Total Specimens

337

20018

1198

1093

7810

34461

No. Pools WNV +

0

0

0

0

2*

2*

No. Pools EEE +

0

0

0

0

0

0

 

* Positive WNV pools of Culex pipiens/restuans found in: Marlborough DPH trap (set 7/29/07) & Holliston DPH trap (set 8/21/07)

 

Weather Summary (Northborough, MA):         The weather for this week averaged 58.94°F, which was 3.16°F cooler than the prior week.  The recorded high temperature was 84.7°F with a recorded low temperature of only 36.8°F.  There was 0.03 inches of recorded precipitation this week compared to 1.77 inches observed last week.  The cumulative rainfall for the month of September has been 1.83 inches (rainfall total for August was 1.10 inches).

 

CMMCP Mosquito Summary

 

Target Species                                    Δ From                      Δ From                  Predominant Trap Site(s)

                                                                Last Week*                 Last Year*

Aedes vexans

+100.00%

-99.71%

Millbury

Coquillettidia perturbans

-84.44%

-98.80%

Westborough

Culiseta melanura

-59.81%

-90.59%

Holliston

Ochlerotatus canadensis

0.00%

-100.00%

N/A

Culex Species

-64.55%

-57.59%

Hopedale

All Species

-58.57%

-87.00%

Hopedale

 

**This comparison is not as significant as it appears due to extreme low numbers.

 

The predominant mosquito species for the week was Culex pipiens/restuans.

 

Compiled by Frank Cornine, CMMCP Field Biologist

posted 27-September-2007

2007 Surveillance data

2007 District Graphs (see our definition of a “district” below)

CMMCP trap locations - 2007

Mosquito Collections – Submitted to MDPH

Massachusetts Monthly Rainfall Graph – 2007 vs. 25 year average (raw data)

CMMCP Weekly Rainfall Graph – 2007 vs. 2 year average

What is an “Epi Week”?

Click here for the 2006 Epi Week calendar (courtesy of the Virginia Mosquito Control Association newsletter, “The Skeeter”)

PRIOR REPORTS:

2006 Surveillance data

CMMCP District information – the 39 cities and towns in the CMMCP service area are broken down into 5 Districts. Each District has a Crew Leader and Field Technician assigned full time. A general description of these Districts would be: District 1 (yellow), Northeast; District 2 (blue), Northwest; District 3 (green), Central; District 4 (red), Southeast and District 5 (gray), Southwest.