NSW Arbovirus Surveillance & Vector Monitoring Program
Macquarie Marshes 2000-2001
Mosquito/Chicken Results

Nearby Locations

Wee Waa Bourke Walgett

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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".

23/5/2001: All chickens indicated tested negative for flaviviruses. 

16/5/2001: All chickens indicated tested negative for flaviviruses. 

8/5/2001: Mosquito numbers continue to be 'low'. All chickens indicated tested negative for flaviviruses. 

1/5/2001: All chickens indicated tested negative for flaviviruses. 

25/4/2001: Mosquito numbers continue to be 'low'. All chickens indicated tested negative for flaviviruses. 

17/4/2001: Mosquito numbers were again 'low'. All chickens indicated tested negative for flaviviruses. 

10/4/2001: Mosquito numbers were again 'low' this week. All chickens indicated tested negative for flaviviruses. 

4/4/2001: Numbers were 'high' (100), with 57 Coquillettidia linealis. All chickens indicated tested negative for flaviviruses. 

27/3/2001: Mosquito numbers continue to be 'low'. All chickens indicated tested negative for flaviviruses. 

20/3/2001: Mosquito numbers were again 'low' this week. All chickens indicated tested negative for flaviviruses. 

13/3/2001: Mosquito numbers were 'low' this week. There was one MVE and one Kunjin seroconversion in the sentinel chicken flocks this week.

9/3/2001: There were four Kunjin seroconversions in the sentinel chicken flock.

28/2/2001: All chickens indicated tested negative for flaviviruses. 

27/2/2001: Numbers are 'high' (176), with 53 Coquillettidia linealis.

20/2/2001: Numbers have dropped to be 'medium' (61), with 17 Culex quinquefasciatus. There were three Kunjin and one dual MVE/KUN seroconversion in the sentinel chicken flock.

13/2/2001: Numbers are slightly up, with 'high' numbers. A total of 316 mosquitoes were collected and Mansonia uniformis (96) is still dominating the collections. All chickens indicated tested negative for flaviviruses. 

6/2/2001: Mosquito numbers continue to decline, with a 'high' collection of 163. Mansonia uniformis (144) was the dominant species. There was one MVE seroconversion in the sentinel chicken flock.

5/2/2001: One Sindbis isolate was made from Culex annulirostris, collected 21/1/2001.

30/1/2001: Collections were well down this week and 'high' (244 mosquitoes). Culex annulirostris (123) continues to dominate the catch. All chickens indicated tested negative for flaviviruses.

23/1/2001: Numbers are again 'very high' (1075 mosquitoes), with 776 Culex annulirostris. There were two MVE and one Kunjin seroconversion in the sentinel chicken flock.

15/1/2001: The catch bucket blew off during the windy night, hence the 'low' numbers collected. All chickens tested negative for flaviviruses. 

7/1/2001: Numbers are not nearly as high as the previous collection but are still 'very high' (1127), with 711 Culex annulirostris. All chickens tested negative for flaviviruses. 

2/1/2001: Five Sindbis isolates were made from the previous collection (18/12/2000) and all the viruses were from Culex annulirostris.

18/12/2000: Mosquitoes numbers are increasing, with almost an 'extreme' collection! All up, 9085 mosquitoes were trapped, with 8248 Culex annulirostris. All chickens tested negative for flaviviruses. 

11/12/2000: Huge numbers this week, with a 'very high' collection of 5371 mosquitoes. Culex annulirostris (3324) was again the most common species. All chickens tested negative for flaviviruses. 

4/12/2000: Big mosquito numbers continue, with a 'very high' (1653) collection this week. Culex annulirostris (687) was the most common species. All chickens tested negative for flaviviruses. 

27/11/2000: Trap numnbers are well on the increase, with a 'very high' (1700) collection this week. Culex quinquefasciatus (966) was the main species, although Culex annulirostris (333) is notably increasing. All chickens tested negative for flaviviruses. 

20/11/2000: Numbers continue to be high (162) and Coquillettidia linealis (61) was the most common mosquito. All chickens tested negative for flaviviruses. 

13/11/2000: Collections were again 'high' (167), with 47 Culex annulirostris. All chickens tested negative for flaviviruses. 

7/11/2000: Mosquito numbers were 'high' (197) and dominated by Culex quinquefasciatus (124). All chickens tested negative for flaviviruses. 

17/10/2000: All chickens tested negative for flavivirus from the initial bleed at Griffith.

 

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