The effect of synthetic pyrethroids on the attachment and host-feeding behaviour in Dermacentor reticulatus females (Ixodida: Amblyommidae)

Table 4 Parameters of parasitic phase in Dermacentor reticulatus females infesting the rabbit host,after application of deltamethrin solutions on unfed females at temperature 20 ± 3 °C and 50 ± 3°% RH

Parameter	Statistics	Concentrationof the solution(%)	Control
Parameter	Statistics	0.0156	Control
Feeding period (days)	Min	11	6
	Max	12	16
	M	12	9
	SD	0.7	3.4
	UTest	10.0	x
	p	0.2300	x
Female engorged weight (g)	Min	0.2218	0.1468
	Max	0.2497	0.4637
	M	0.2358	0.3329
	SD	0.0197	0.0811
	UTest	4.0	x
	p	0.0636	x
Feeding efficiency index* (g/24 h)	Min	0.0202	0.0092
	Max	0.0208	0.0740
	M	0.0205	0.0421
	SD	0.0005	0.0181
	UTest	8.0	x
	p	0.1560	x

*Average increase in body mass (in g) per 24 h,M – mean; SD – standard deviation, at deltamethrin concentrations 0.03125 %; 0.0625 %; 0.125 %; 0.25 % i 0.5 % no D. reticulatus female was able to complete feeding

ISSN: 1756-3305