NSW Arbovirus Surveillance & Vector Monitoring Program
Ballina 2001-2002
Mosquito/Virus Results

Nearby Location

Tweed Heads

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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".

6/5/2002: Greenfield Rd trapped 'medium' numbers (68), with 38 Aedes multiplex. North Creek Road had a 'high' collection of 326, including 148 Culex sitiens.

2/5/2002: Greenfield Rd yielded 'high' numbers (303), including 222 Aedes multiplex. North Creek Road had no trap set.

23/4/2002: A 'high' collection of 109 mosquitoes was made from Greenfield Rd, including 51 Aedes multiplex. North Creek Road had a trap failure.

15/4/2002: Collection were around average and 'high' from both sites. Greenfield Rd trapped 170 mosquitoes, with 90 Culex sitiens, while North Creek Road collected 283 mosquitoes, with 183 Aedes funereus.

10/4/2002: Collections were down this week and below average. Greenfield Road trapped 'high' numbers (248), including 166 Culex sitiens. North Creek Road trapped 'medium' numbers (98), with 36 Culex sitiens. North Creek Road trapped.

3/4/2002: Mosquito numbers were again 'high' from both sites, but close to average. Greefield Road yielded 257 mosquitoes, with 112 Culex sitiens. North Creek Road trapped 316, with 272 Culex sitiens.

26/3/2002: Collections were 'high' from both sites and above average. Greenfield Road trapped 724 mosquitoes, including 214 Culex sitiens, while North Creek Road collected 260 mosquitoes, with 117 Culex sitiens.

19/3/2002: Collections were around average and 'high' from both sites. Greenfield Road trapped 533 mosquitoes, with 374 Aedes funereus. North Creek Road collected 311, with 233 Culex sitiens.

13/2/2002: Numbers are below average, although still 'high' from both sites. Greenfield Rd trapped 341 mosquitoes, with 130 Aedes funereus. North Creek Road collected 447, with 208 Culex sitiens.

6/3/2002: Greenfield Rd had 'high' numbers (466), with 135 Aedes funereus. North Creek Road also yielded 'high' numbers (259), with 196 Culex sitiens.

28/2/2002: Greenfield Rd had 'high' numbers (465), with 194 Culex sitiens. North Creek Road continued with 'high' numbers (588), with 413

21/2/2002: Greenfield Rd had 'high' numbers (497), with 203 Aedes multiplex. North Creek Road trapped 'high' numbers (329), with 213 Culex sitiens.

12/2/2002: Numbers were 'high' from both sites and overall, around average. North Creek Road trapped 107 mosquitoes, with 97 Culex sitiens. Greenfield Rd collected 624, but as the sample was mouldy, sorting the mosquitoes to species was not possible. However, it appeared to contain mainly Aedes funereus, Aedes vigilax and Culex sitiens.

5/2/2002: Mosquito numbers were slightly below average, but 'high' from both sites. Greenfield Rd collected 117 mosquitoes, with 67 Culex sitiens. North Creek Rd trapped 285 mosquitoes, with 228 Culex sitiens.

30/1/2002: Collections were around normal this week, with 'high' collections from both sites. Greenfield Rd trapped 227 mosquitoes, with 120 Aedes funereus. North Creek Road trapped 245, with 230 Culex sitiens.

24/1/2002: Numbers are below average this week. Greenfield Road trapped 'medium' numbers (85), with 34 Aedes funereus. North Creek Road collected 281 mosquitoes, with 241 Culex sitiens.

16/1/2002: Collections continue to rise with 'high' numbers from both sites. Greenfield Road trapped 117 mosquitoes, with 50 Aedes funereus. North Creek Road trapped 399, with 365 Culex sitiens.

11/1/2002: The collection from Greenfield Rd was 'low'.

10/1/2002: Numbers were around average with a 'high' trap collection (305) from North Creek Road, with Culex sitiens continuing to dominate.

5/1/2002: 'Medium' numbers were yielded from Greenfield Rd.

24/12/2001: North Creek Rd had a 'high' collection (104), with 87 Culex sitiens.

11/12/2001: Numbers are rising and 'high' from both sites, which is around average. Lennox Heads trapped 276 mosquitoes, with 116 Aedes funereus. North Creek Road collected 118, with 90 Culex sitiens.

4/12/2001: Collections are below average and from 'low' to 'medium'.

29/11/2001: Mosquito numbers have increased and now around average, with 154 trapped at North Creek Rd ('high' number). Culex sitiens (118) was the dominant species.

22/11/2001: Both sites had 'medium' collections and were well below average.

14/11/2001: Below average mosquito numbers continue, however collections were 'high' (116) from Greenfield Road, with 46 Aedes funereus.

6/11/2001: Numbers are again below average and from 'low' to 'medium' in number.

2/11/2001: Mosquito numbers were slightly below average, although 'high' from North Creek Rd (a total of 112, wiht 85 Culex sitiens).

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