Biology and functional response of the predator, Dortus primarius (Distant) (Hemiptera: Miridae) preying on Frankliniella schultzei (Trybom) (Thysanoptera: Thripidae)

Egyptian Journal of Biological Pest Control

Table 1 Biology of Dortus primarius on tomato plant fed with Corcyra cephalonica eggs and Frankliniella schultzei larvae. In row means with different letters are significantly different with each other (Mann- Whitney U test; P < 0.05)

Stage	C. cephalonica eggs	F. schultzei larvae
	Mean ± SE	Mean ± SE
Pre-oviposition period (days)	4.0 ± 0.14^a	4.1 ± 0.14^a
Incubation period (days)	7.95 ± 0.15^a	7.9 ± 0.16^a
Duration of nymphal instars (days)
I	3.6 ± 0.11^a	3.6 ± 0.11^a
II	2.6 ± 0.11^a	2.8 ± 0.09^a
III	2.8 ± 0.09^a	2.8 ± 0.09^a
IV	2.6 ± 0.11^b	3.4 ± 0.11^a
V	3.6 ± 0.11^a	3.8 ± 0.17^a
Total nymphal period (days)	15.2 ± 0.26^b	16.4 ± 0.23^a
Total developmental period (days)(eggs to adult)
Male	21.8 ± 0.17^b	23.8 ± 0.17^a
Female	23.4 ± 0.23^a	24.2 ± 0.33^a
Longevity of male (days)	14.6 ± 0.23^b	15.95 ± 0.64^a
Longevity of female (days)	20.2 ± 0.17^b	21.6 ± 0.47^a
Eggs/female	127.6 ± 2.26^a	132 ± 1.80^a
Per cent hatching	90.9 ± 0.16^a	89.1 ± 0.25^b
Per cent adults developed	73.2 ± 0.32^b	77.7 ± 1.22^a