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 3 Parasitism preference of Leptomastix dactylopii on Planococcus ficus (%) (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	9.00 ± 2.28^b (9)	40.00 ± 2.90^a* (40)
Non-emerged parasitoids	20	–	–	55.56 ± 17.57^A (9)	19.17 ± 6.65^A** (40)
Proportion of female parasitoids	20	–	–	0.50 (4)	0.68 (31)

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 (Wilcoxon signed rank test, P ≤ 0.05)