NSW Arbovirus Surveillance & Vector Monitoring Program
Griffith 2010-2011
Mosquito/Chicken Results

Nearby Locations

Leeton Lake Cargelligo

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News & Comments

Note that for mosquito numbers 0 - 50 mosquitoes = "Low", 51 - 100 = "Medium",
101 - 1,000 = "High", 1,001 - 10,000 = "Very High", >10,000 = "Extreme".

4/May/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 29/Mar, 5/Apr or 12/Apr.

18/Apr/2011: Hanwood had a 'medium' collection of 86 and included 17 Culex annulirostris. Barren Box trapped 'low' numbers.

11/Apr/2011: Mosquito numbers were 'low'.

4/Apr/2011: Mosquto numbers are well down this week. Hanwood had a 'high' collection of 195 and included 98 Culex annulirostris. Barren Box had a 'medium' catch of 53, with 33 Culex annulirostris.

1/Apr/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 8/Mar, 15/Mar or 23/Mar.

28/Mar/2011: Hanwood yielded a 'very high' collection of 2,462 mosquitoes and included 2,153 Culex annulirostris. Barren Box had a 'high' trap of 134 mosquitoes and included 93 Culex annulirostris.

24/Mar/2011: There were six arboviral isolates; 2 Kunjin, 3 Ross River and 1 Kokobera virus. The two Kunjin were isolated from Culex annulirostris trapped at Hanwood on 15/Mar/2011. One Ross River virus was isolated from both Culex annulirostris and Anopheles annulipes trapped at Hanwood on 8/Mar/2011. One Ross River was isolated from Culex annulirostris trapped at Barren Box on 8/Mar/2011. The Kokobera was isolated from Culex annulirostris trapped at Barren Box on 8/Mar/2011.

22/Mar/2011: Hanwood yielded a 'very high' collection of 3,003 and included 2,834 Culex annulirostris. Barren Box had a 'medium' trap of 90 mosquitoes and included 87 Culex annulirostris.

21/Mar/2011: There were four Ross River viral isolates and all from Culex annulirostris trapped on 8/Mar/2011. Three isolates were from Hanwood and one from Barren Box.

17/Mar/2011: The unknown flavivirus mentioned on the 14/Mar has been identified as Kunjin virus. There were also two Ross River viral isolates from Culex annulirostris trapped at Barren Box on 8/Mar/2011.

14/Mar/2011: Mosquito numbers have declined this week but still 'very high' at Hanwood, which produced a catch of 4,223 and included 3,949 Culex annulirostris. Barren Box had a 'high' trap of 262 mosquitoes and included 260 Culex annulirostris.

14/Mar/2011: There was one flavivirus isolate from Culex annulirostris trapped at Barren Box on 8/Mar/2011.

7/Mar/2011: Mosquito numbers remain well up. Hanwood yielded a 'very high' collection of 6,752 and included 6,245 Culex annulirostris. Barren Box had a 'very high' trap of 2,196 mosquitoes and included 1,970 Culex annulirostris.

7/Mar/2011: There was one Kunjin viral isolate from Culex annulirostris trapped from Hanwood on 22/Feb/2011

3/Mar/2011: There were no seroconversions to either MVEV or KUNV from the bleed taken on 28/Feb.

1/Mar/2011: Mosquito numbers have had a huge increase this week. Hanwood trapped 'Extreme' numbers with a collection o f11,385 mosquitoes including 11,142 Culex annulirostris. Barren Box had a 'very high' collection of 5,327 and included 5,239 Culex annulirostris.

1/Mar/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 8/Feb, 15/Feb or 22/Feb.

25/Feb/2011: There was one Kunjin viral isolate from Culex annulirostris trapped from Hanwood on 8/Feb/2011

21/Feb/2011: Hanwood had a 'very high' collection of 1,045 with 954 Culex annulirostris. Barren Box yielded a 'high' catch of 902, with 848 Culex annulirostris.

15/Feb/2011: Hanwood had a 'very high' collection of 1,623 with 1,423 Culex annulirostris. Barren Box yielded a 'medium' catch of 54, with 46 Culex annulirostris.

15/Feb/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 24/Jan or 1/Feb.

7/Feb/2011: Hanwood had a 'very high' collection of 1,930 with 1,586 Culex annulirostris. Barren Box yielded a 'high' catch of 625, with 523 Culex annulirostris.

31/Jan/2011: Hanwood had a 'very high' collection of 4,105 with 3,872 Culex annulirostris. Barren Box yielded a 'high' catch of 281, with 277 Culex annulirostris.

23/Jan/2011: Mosquito numbers have declined from both site, but were still 'very high' from Hanwood which trapped a total of 1,409 and included 1, 160 Culex annulirostris. Barren Box yielded a 'high' catch of 961, with 763 Culex annulirostris.

21/Jan/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 10/Jan or 18/Jan.

17/Jan/2011: Mosquito numbers were 'very high' from both sites. Hanwood had a collection of 3,039 with 1,869 Culex annulirostris. Barren Box trapped 1,258 mosquitoes with 1045 Culex annulirostris.

13/Jan/2011: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 20/Dec or 5/Jan/2011.

11/Jan/2010: Hanwood yielded 'very high' numbers, with a collection of 2,536 mosquitoes and included 2,303 Culex annulirostris. Barren Box had a 'high' catch of 597 and included 561 Culex annulirostris.

7/Jan/2010: There were four Sindbis viral isolates from Culex annulirostris trapped from Hanwood on 31/Dec/2010

5/Jan/2010: Hanwood yielded 'very high' numbers, with a collection of 1,836 mosquitoes and included 1,017 Culex annulirostris. Barren Box had a 'high' catch of 527 and included 370 Culex annulirostris.

31/Dec/2010: Hanwood yielded 'very high' numbers, with a collection of 3,979 mosquitoes and included 2,578 Culex annulirostris. Barren Box yielded a 'very high' catch of 1,478 with 1,263 Culex annulirostris.

30/Dec/2010: There was a further Sindbis viral isolate from Culex annulirostris trapped from Hanwood on 21/Dec/2010.

29/Dec/2010: There were 8 new arboviral isolates, all from Culex annulirostris. This included one Barmah Forest virus isolated on 13/Dec/10 at Hanwood and 7 Sindbis from the collections on 21/Dec/2010. Five of these were from Hanwood and two from Barren Box.

24/Dec/2010: There were a further 3 isolates of Sindbis virus from the collections made on the 13/Dec/2010 and all were from Culex annulirostris. Two of the isolates were from Barren Box and one from Hanwood.

23/Dec/2010: 'Extreme' numbers were trapped this week from Hanwood, with a total of 11,416 mosquitoes collected and this included 6,557 Culex annulirostris. Barren Box yielded a 'very high' catch of 1,659 with 1,262 Culex annulirostris.

23/Dec/2010: There were no seroconversions to either MVEV or KUNV from the bleed taken on 13/Dec.

21/Dec/2010: There were 8 isolates of Sindbis virus from the collections made on the 13/Dec/2010 and all were from Culex annulirostris. Two of the isolates were from Barren Box and eight from Hanwood.

14/Dec/2010: There was one isolate of Barmah Forest virus from Culex annulirostris trapped at Hanwood on 16/Nov/2010.

14/Dec/2010: Mosquito numbers are up this week, well above average and 'very high' from both sites. Hanwood collected a total of 3,737 mosquitoes and included 1,616 Culex annulirostris. Barren Box yielded 2,876 mosquitoes, with 2,505Culex annulirostris.

14/Dec/2010: There were no seroconversions to either MVEV or KUNV from the bleeds taken on 8/Nov, 15/Nov, 22/Nov or 29/Nov.

10/Dec/2010: There was one isolate of Sindbis virus from Culex annulirostris trapped at Hanwood on 30/Nov/2010.

6/Dec/2010: Strong wind and rain has reduced mosquito numbers this week. However, Hanwood continues with the 'very high' numbers with a collection of 1,099 mosquitoes including 850 Culex annulirostris. Barren Box had a 'medium' catch of 88 with 87 Culex annulirostris.

6/Dec/2010: There was one isolate of Sindbis virus from Culex annulirostris trapped at Hanwood on 23/Nov/2010.

3/Dec/2010: There was one isolate of Sindbis virus from Culex annulirostris trapped at Barren Box on 16/Nov/2010.

30/Nov/2010: Mosquito numbers are very much above average and almost exclusively dominated by Culex annulirostris. Hanwood had a 'very high' collection of 2,813 with 2,671 Culex annulirostris. Barren Box had a 'high' catch of 830 and included 781 Culex annulirostris.

23/Nov/2010: 'Very high' collections continue from both sites and mosquito numbers remain well above average. Hanwood trapped 1,541 mosquitoes with 1,202 Culex annulirostris. Barren Box trapped 1,343 mosquitoes with 1,039 Culex annulirostris.

16/Nov/2010: 'Very high' collections were again made from both sites with numbers over ten times greater than normal. Hanwood yielded a total of 5,101 mosquitoes with 2,628 Culex annulirostris. Barren Box trapped 1,906 mosquitoes, with 1,576 Culex annulirostris.

9/Nov/2010: The first collection of the season produced mosquito collections that were well above average. Hanwood yielded a 'very high' catch of 1,133 and included 561 Culex annulirostris. Barren Box had a 'high' catch of 786 and included 581 Culex annulirostris.

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