Obstructs-equipped apparatus reduces cannibalism and improves larval survival of the Coccinellid, Harmonia axyridis (Coleoptera: Coccinellidae)

Egyptian Journal of Biological Pest Control

Table 1 Percentage of adults emerged at different periods and the ratio of females and males, with an expected ratio of 1:1

Adult emergence period	Rearing densities
Adult emergence period	16-L	24-L	32-L
	Percentage of adults emerged (%)
Day 1	29.84 ± 6.4 Aa	32.31 ± 5.78 Aab	28.39 ± 6.20 Aab
Day 2	31.22 ± 6.9 Aa	33.69 ± 5.45 Aa	29.43 ± 4.95 Aa
Day 3	28.00 ± 6.39 Aa	18.60 ± 5.84 Aabc	25.77 ± 2.98 Aab
Day 4	13.73 ± 4.05 Aa	12.30 ± 5.70 Abc	13.15 ± 3.26 Abc
Day 5		3.11 ± 1.30 Ac	3.26 ± 1.43 Ac
	Female and male ratio
Number of females	57	63	79
Number of males	43	52	87
χ²	1.960	1.052	0.386
P	0.162	0.305	0.535

Different lowercase letters indicate significant differences in the percentages of adults emerged at different days; same uppercase letters indicate no significant difference among different rearing densities at each adult emergence period (P < 0.05)