Table 4.

Fecundity of hybrid F1 crosses and back-crosses

Cross (♀ × ♂)	No. replicates	No. reps eggs	No. reps adults	Mean ± SEM no. eggs	Mean ± SEM no. adults
F0 P.aus♀ source
(P.aus ×P.x♂)♀ × (P.aus ×P.x♂)♂	4	4 (1.000)	2 (0.500)	66.00 ±60.00	–
(P.aus ×P.x♂)♀ ×P.aus♂	7	7 (1.000)	0 (0.000)	20.33 ±11.86	0.00 ±0.00
P.aus♀ × (P.aus ×P.x♂)♂	9	5 (0.556)	2 (0.222)	6.38 ±3.54	0.22 ±0.44
(P.aus ×P.x♂)♀ ×P.x♂	4	4 (1.000)	0 (0.000)	39.00 ±19.00	0.00 ±0.00
P.x♀ × (P.aus ×P.x♂)♂	15	15 (1.000)	4 (0.267)	36.75 ±3.21	0.33 ±0.62
F0 P.x♀ source
(P.x ×P.aus♂)♀ × (P.x ×P.aus♂)♂	6	5 (0.833)	4 (0.667)	74.50 ±22.79	6.17 ±5.27
(P.x ×P.aus♂)♀ ×P.aus♂	1	0 (0.000)	0 (0.000)	0.00	0.00

Presented are the number and proportion in parentheses of replicates (reps) producing eggs and adult offspring, and the mean ± standard error of the mean numbers of eggs and adults offspring per replicate. A dash denotes an absence of count data