Table 1.

The variations of some morphological characters of siphon in Culex pipiens larvae, Yazd Province, Central Iran, 2009–2010

Character	n	Distinctiveness	Prevalence	%
Seta 1 abdominal segment III and IV	159	Single	4	2.5
		Double	155	97.5
Siphon Seta 1a-S and 1b-S	158	3	22	14
		4	52	33
		5	52	33
		6	24	15
		7	6	4
		8	2	1
Siphon seta number	127	6	12	9.5
		8	85	67
		9	18	14
		10	12	9.5
Siphon shape	181	Gradually narrowing	173	96
		Wide in the middle	8	4