Table 1.

The egg hatch rates and progenic sex ratios of P. japonica matrilines, from Fuchu.

Line	Egg hatch rate	N° of progeny	Sex ratio	Status
PF1	0.613	36	0.528	N
PF2	0.434	17	0.235	FB
PF3	0.338	34	0.235	FB
PF4	0.657	45	0.467	N
PF5	0.395	20	0.250	FB
PF7	0.528	32	0.375	N
PF8	0.764	66	0.561	N
PF9	0.924	78	0.560	N
PF10	0.870	67	0.493	N
PF12	0.462	49	0.000	SR
PF13	0.678	53	0.472	N
PF14	0.778	84	0.488	N
PF15	0.673	59	0.576	N
PF16	0.764	90	0.467	N