11.   Mosquito control projects across the state often spray Resmethrin from trucks to kill adult mosquitoes.

12.   Officials who try to control the Net in Hong Kong may also soon find they are trying to kill mosquitoes with a sledgehammer.

13.   The campaign did kill mosquitoes and reduced the incidence of malaria, but it had side effects.

14.   The epidemic ended abruptly in November, with the first frost that killed the mosquitoes.

15.   The insecticide used to kill those mosquitoes is exactly the same.

16.   The two pieces of news prompted them to announce another round of extensive pesticide spraying to kill mosquitoes that carry the virus.

17.   They have sent in insecticide-spraying trucks to kill mosquitoes.

18.   This annual tournament in Pelkosenniemi honors whoever can kill the most mosquitoes in five minutes.

19.   Volunteers in affected areas went from house to house at least once a month, spraying DDT to kill mosquitoes.

20.   West Nile has become quiescent now, as cold weather has killed the mosquitoes that carry the virus.