NSW Arbovirus Surveillance & Vector Monitoring Program
Ballina 2000-2001
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".

2/5/2001: Numbers continue to drop and were 'medium' from both sites. Greenfield Rd trapped 83 mosquitoes, with 24 Aedes multiplex. North Creek Rd collected 63, with 14 Culex annulirostris.

25/4/2001: Greenfield Rd trapped 'high' numbers (110), with 33 Aedes multiplex. North Creek Rd had a 'medium' (80) collection, with 31 Culex sitiens.

19/4/2001: Numbers are close to average. Greenfield Rd had a 'high' collection (184), with 76 Aedes funereus. Numbers were 'medium' (99) from North Creek Rd, with 67 Aedes funereus.

11/4/2001: Both sites continue to have 'high' mosquito numbers. Greenfield Rd trapped 212 mosquitoes, with 98 Aedes procax. North Creek Rd yielded 310, with 193 Aedes funereus.

5/4/2001: Both sites had 'high' numbers, with around 200 mosquitoes from each site.

30/3/2001: Numbers have dropped at Greenfield Rd, the collection being 'medium' (58), with 34 Aedes funereus.

21/3/2001: Numbers are around four times average this week from Greenfield Rd, with a 'very high' collection of 1534 mosquitoes and of these, 1007 were Aedes funereus. Numbers were 'low' from North Creek Road.

13/3/2001: Numbers are reasonably stable and continue to be 'high' from both sites. Greenfield Rd trapped 203 mosquitoes, with 33 Culex annulirostris. North Creek Rd collected 214, with 111 Culex sitiens.

29/2/2001: Numbers are up this week but still below average. Greenfield Rd collected 'high' numbers (240), with 74 Aedes funereus. North Creek Rd yielded a 'high' collection (162), with 81 Aedes funereus. The Lennox Heads STW continues to yield 'very high' numbers (2018).

22/2/2001: There was a notable drop in numbers this week. Greenfield Rd trapped 'high' numbers (179), with 123 Aedes multiplex. North Creek Rd collected 'low' numbers. Another collection from the Lennox Heads STW continues to yield 'very high' numbers (2948), with 2403 Aedes funereus.

13/2/2001: Elevated numbers continue, with a 'high' collection (352) from Greenfield Rd. Of these 263 were Aedes funereus. North Creek Rd had a trap failure. A collection made from the STW at Lennox Heads yielded 4593 mosquitoes ('very high' numbers), with 4462 Aedes funereus.

6/2/2001: Numbers are around average and 'high' from both sites. Greenfield Road collected 115 mosquitoes, with 35 Aedes funereus, while North Creek Rd trapped 376 with 219 Aedes funereus.

30/1/2001: Overall numbers are up and over twice the average, with 'high' collections from both sites. Greenfield Rd trapped 614 mosquitoes, with 376 Aedes funereus, while North Creek Rd yielded 314 mosquitoes, with 137 Aedes funereus and 167 Culex sitiens.

24/1/2001: Similar collections from the previous week, with 'high' numbers from both sites. Greenfield Rd trapped 283 mosquitoes, with 186 Aedes funereus, while North Creek Rd collected 202, wth 118 Culex sitiens.

16/1/2001: Numbers continue to be 'high', but slightly below average, with Culex sitiens dominating at both sites. Greenfield Rd trapped 262 mosquitoes, with 154 Culex sitiens, while North Creek Rd collected 283, wth 239 Culex sitiens.

8/1/2001: Numbers are up this week, with 'high' collections from both sites, although both are below the long term average. Greenfield Rd trapped 213 mosquitoes, with 55 Aedes funereus, while North Creek Rd collected 125, with 66 Culex sitiens.

18/12/2000: Both sites produced 'low' numbers this week.

12/12/2000: There was a big jump in numbers this week, with 'high' collections from both sites. Greenfield Rd trapped 108 mosquitoes, with 65 Coquillettidia linealis. North Creek Rd collected 165, with 154 Culex sitiens.

5/12/2000: Both sites produced 'low' numbers this week.

29/11/2000: Greenfield Road had a 'medium' collection (94), with 74 Culex sitiens. Numbers were 'low' from North Creek Road.

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