Central Mass. Mosquito Control Project

SEASON SUMMARY

Cumulative Surveillance Summary

Target Species	Ae. vex	Cq. per	Cs. mel	Oc. can	Culex	All Species
No. Pools	110	243	226	111	1043	2969
Total Specimens	1339	6655	1626	613	25106	40735
No. Pools WNV +	0	1^†	0	0	20^†	21^†
No. Pools EEE +	1^†	0	3^†	0	0	4^†

^†Pool of WNV+ Culex Species collected in Sturbridge on 7/22/11

^†Pool of WNV+ Culex Species collected in Acton on 7/28/11

Pool of WNV+ Culex Species collected in Worcester on 8/12/10 (DPH collection)

Pool of WNV+ Culex Species collected in Worcester on 8/12/10 (DPH collection)

^†Pool of WNV+ Culex Species collected in Dracut on 8/9/11

^†Pool of WNV+ Culex Species collected in Westford on 8/10/11

^†Pool of WNV+ Culex Species collected in Auburn on 8/11/11

^†Pool of WNV+ Culex Species collected in Shrewsbury on 8/11/11

^†Pool of WNV+ Culex Species collected in Natick on 8/12/11

^†Pool of WNV+ Culex Species collected in Auburn on 8/17/11

^†Pool of WNV+ Culex Species collected in Auburn on 8/18/11

^†Pool of WNV+ Culex Species collected in Shrewsbury on 8/18/11

^†Pool of WNV+ Culex Species collected in Dracut on 8/19/11

^†Pool of WNV+ Culex Species collected in Sturbridge on 8/19/11

^†Pool of WNV+ Culex Species collected in Tewksbury on 8/23/11

^†Pool of WNV+ Culex Species collected in Acton on 8/25/11

^†Pool of WNV+ Culex Species collected in Auburn on 8/25/11

^†Pool of WNV+ Culex Species collected in Auburn on 8/31/11

^†Pool of WNV+ Culex Species collected in Shrewsbury on 8/31/11

^†Pool of WNV+ Culex Species collected in Chelmsford on 9/7/11

^†Pool of WNV+ Coquillettidia perturbans collected in Chelmsford on 9/7/11

^†Pool of WNV+ Culex Species collected in Billerica on 9/7/11

^†Pool of EEE+ Culiseta melanura collected in Westborough on 9/13/11

^†Pool of EEE+ Culiseta melanura collected in Shrewsbury on 9/15/11

^†Pool of EEE+ Aedes vexans collected in Shrewsbury on 9/15/11

^†Pool of EEE+ Culiseta melanura collected in Sherborn on 9/15/11

^†Pool of WNV+ Culex Species collected in Hudson on 9/23/11

WNV+ human (>64, female) from Fitchburg, onset 9/3/11

Weather Summary (Northborough, MA): Heavy rains dominated this season, and were reflected in the mosquito population numbers. Statewide monthly rainfall averages were as follows: May-3.70” (CMMCP/Northborough 3.06”); June-5.30” (CMMCP/Northborough 5.26”); July-2.71” (CMMCP/Northborough 1.73”); August-9.35” (CMMCP/Northborough 11.44”); September-6.65” (CMMCP/Northborough 6.79”).

CMMCP Mosquito Summary*-

Target Species	Δ From	Predominant Trap Site(s)
	Last Year
Aedes vexans	-53.70%	Uxbridge, Northbridge
Coquillettidia perturbans	-26.33%	Sturbridge, Leominster
Culiseta melanura	+117.1%	Millbury, Westborough
Ochlerotatus canadensis	+43.73%	Hopedale, Uxbridge
Culex Species	+180.2%	Auburn, Westford
All Species	+58.53%	Auburn, Westford

The predominant mosquito species for the 2011 surveillance season was Culex Species (~61.63% of total specimens collected) followed by Coquillettidia perturbans (~16.34% of total specimens collected).

Submitted by Frank Cornine, CMMCP Field Biologist

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2011 Historical surveillance data

Massachusetts Monthly Rainfall Graph – 2011 vs. 31 year average

CMMCP Weekly Rainfall Graph – 2011 vs. 6 year average (CMMCP/Northborough)

2011 District Graphs

2011 Mosquito Collections – Submitted to MDPH

Service request history – 2011 vs. 8 year average

2011 rainfall vs. request graph

CMMCP trap locations - 2011

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What is an “Epi Week”?

Click here for the 2011 Epi Week calendar courtesy of CMMCP.

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PRIOR REPORTS:

2010 surveillance data

2009 surveillance data

2008 Surveillance data

2007 Surveillance data

2006 Surveillance data

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CMMCP District information – the 38 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.