Genetic Study of Propoxur Resistance—A Carbamate Insecticide in the Malaria Mosquito, Anopheles stephensi Liston

Table 1

Inheritance pattern of propoxur resistance in Anopheles stephensi Liston.

S. No	Genetic crosses	No. of ♀’s tested	No. of larvae tested∗∗	Resistant			Resistant (%)	Susceptible			Susceptible (%)	𝜒^2
				♂	♀	Total		♂	♀	Total
Parental
1	S♂ × S♀	10	978	—	—	—	—	481	473	954	100	—
2	R♂ × R♀	10	835	378	432	810	100	—	—	—	—	—
F1 Generation
3	S♂ × R♀	10	648	142	194	336	51.85	118	194	312	48.15	0.44∗
4	R♂ × S♀	10	725	178	213	391	53.93	177	157	334	46.07	2.24∗
Back Crosses
5	S♂ × F1♀ [Cross 3]	10	834	240	195	435	52.16	189	210	399	47.84	0.78∗
6	S♀ × F1♂ [Cross 3]	10	723	184	153	337	46.61	223	163	386	53.39	1.66∗
7	S♂ × F1♀ [Cross 4]	10	651	160	194	354	54.38	146	151	297	45.62	2.50∗
8	S♀ × F1♂ [Cross 4]	10	782	213	168	381	48.72	218	183	401	51.28	0.26∗
F2 Generation
9	F1♂ × F1♀	10	912	282	212	494	54.17	187	231	418	45.83	3.17∗
10	F1♂ × F1♀	10	898	223	241	464	51.67	229	205	434	48.33	0.50∗