Mosquitoes established in Lhasa city, Tibet, China

Parasites & Vectors

Table 3 The density of the Culex pipiens complex in different years during the mosquito season in Lhasa city, Tibet

Year	Collection method	No. of bed net traps/light traps/people	Duration of mosquito catcher (h)	Mean¹	Std. deviation	Std. error	The total number of *Culex pipiens* complex
Year	Collection method	No. of bed net traps/light traps/people	Duration of mosquito catcher (h)	Mean¹	Std. deviation	Std. error	♀	♂
2009	Bed net trap	6	7	23.72	45.54	18.59	136	1
2009	Labor hour method	2	0.66	62.10	57.84	40.90	38	3
2012	Bed net trap	8	16	3.06	2.19	0.78	45	4
	Labor hour method	2	3.67	8.54	9.95	7.04	17	9
	Light trap collection²	37	444	17.59	33.16	5.45	356	295
Total	-	-	-	-	-	-	595	312

¹Mean means mosquito per hour per trap (Bed net trap) or mosquitoes per hour per person (Labor hour method) or mosquitoes per trap per night (Light trap collection).
² light trap collection only conducted in 2012.

ISSN: 1756-3305