Host stage preference and demographic parameters of Leptomastix dactylopii (Hymenoptera: Encyrtidae) on vine mealybug Planococcus ficus (Hemiptera: Pseudococcidae)

Egyptian Journal of Biological Pest Control

Table 1 Parasitism preference of Leptomastix dactylopii on Planococcus ficus (%) (non-choice)

Parameter	n	Mealybug stages
		1st nymph	2nd nymph	3rd nymph	Female
		x̄ ± s.e	x̄ ± s.e	x̄ ± s.e	x̄ ± s.e
Mummified host	20	0^b	0^b	14.50 ± 2.14^a (58)	42.75 ± 3.41^a* (171)
Non-emerged parasitoids	20	–	–	25.82 ± 7.96^A (58)	16.68 ± 3.40^A** (171)
Proportion of female parasitoids	20	–	–	0.31 (42)	0.38 (141)

Figures under n indicate number of experimental wasps. Numbers in parentheses indicate total numbers
*Means within a row followed by different lowercase letters are significantly different (Dunn–Bonferroni, P ≤ 0.05)
**Means within a row followed by different uppercase letters are significantly different (Mann–Whitney U test, P ≤ 0.05)