NSW Arbovirus Surveillance & Vector Monitoring Program
Griffith 2002-2003
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".

3/4/2003: All chickens tested negative for flaviviruses from the 24/3 bleed.

28/3/2003: All chickens tested negative for flaviviruses from the 10/3 & 17/3 bleeds.

25/3/2003: Numbers were 'low' from both sites, although the Willbriggie trap failed during the night.

18/3/2003: Numbers still below average, with 'medium' numbers (59) trapped from Hanwood, including 50 Culex annulirostris. Willlbriggie trapped 'high' numbers (180), with 133 Culex annulirostris

11/3/2003: Hanwood trapped 'high' numbers (259), with 237 Culex annulirostris. Willlbriggie also yielded 'high' numbers (123), with 104 Culex annulirostris.

11/3/2003: All chickens tested negative for flaviviruses from the 24/2 & 3/3 bleeds.

4/3/2003: Numbers are down this week. Hanwood had a 'medium' collection of 66, with 64 Culex annulirostris. Willbriggie trapped 'high' numbers (317), dominated by 293 Culex annulirostris.

4/3/2003: All chickens tested negative for flaviviruses from the 10/2 and 17/2 bleeds.

25/2/2003: Similar numbers to the previous week were trapped. Willbriggie trapped 'very high' numbers of 1347, including 1245 Culex annulirostris. Hanwood had a 'high' collection of 259, with 252 Culex annulirostris.

18/2/2003: Mosquito numbers were even higher this week from Willbriggie, with 'very high' numbers of 1379, including 448  Culex annulirostris and 920 Anopheles annulipes. Hanwood trapped 'low' numbers.

11/2/2003: The first 'very high' collection from Griffith was made this season during this week, from Willbriggie. From this site, 1080 mosquitoes were collected including 775 Culex annulirostris and 294 Anopheles annulipes. Hanwood trapped 'low' numbers.

12/2/2003: All chickens tested negative for flaviviruses from the 27/1 and 3/2 bleeds.

4/2/2003: Mosquito numbers were 'high' from both sites, although only around one tenth of the long term average. Hanwood collected 249 mosquitoes, with 212 Culex annulirostris. Willbriggie trapped 344, with 246 Culex annulirostris.

28/1/2003: Mosquito numbers are down this week, with a 'low' collection from Hanwood. Wllbriggie trapped 'high' numbers (520), with 427 Culex annulirostris.

24/1/2003: All chickens tested negative for flaviviruses from the 20/1 bleed.

21/1/2003: Mosquito numbers continue to climb, with 'high' numbers from both sites, although are still less than half the long term average. Hawood trapped 110 mosquitoes, including 94 Culex annulirostris. Willbriggie yielded 716, with 492 Culex annulirostris and 187 Anopheles annulipes.

17/1/2003: All chickens tested negative for flaviviruses from the 13/1 bleed.

14/1/2003: Overall mosquito numbers are the highest to date this season, but still well below the long term average. Both sites trapped 'high' numbers. Hanwood collected 133 mosquitoes, with 63 Culex annulirostris. Willbriggie trapped 539, including 181 Culex annulirostris and 352 Anopheles annulipes.

10/1/2003: All chickens tested negative for flaviviruses from the 16/12, 23/12, 30/12 and 6/1/2003 bleeds.

7/1/2003: Mosquito numbers continue to be well below average. Hanwood trapped 'low' numbers. Willbriggie yielded 'high' numbers (260), with 142 Culex annulirostris.

31/12/2002: Mosquito numbers are again well below average. Hanwood trapped 'low' numbers. Willbriggie yielded 'high' numbers (354), with 201 Culex annulirostris.

17/12/2002: Numbers continue to be well below average. Hanwood trapped 'low' numbers. Willbriggie yielded 'high' numbers (158), with 141 Culex annulirostris.

17/12/2002: All chickens tested negative for flaviviruses from the 19/11, 25/11, 2/12 and 9/12 bleeds.

10/12/2002: Numbers were 'low' from both sites and well below average.

3/12/2002: Numbers were 'low' from both sites and well below average.

26/11/2002: Numbers were 'low' from both sites and well below average.

19/11/2002: Numbers were 'low' from both sites.

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