Mite and insect pests of some important plants

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This work is focused on a survey of different mite species on some ornamental, aromatic and medicinal plants at two governorates in Egypt. The survey revealed 168 species in 92 genera and 38 families in addition to 24 species were firstly recorded and one new mite species was observed. The population dynamics of mites and some sucking insect pests infesting six cultivars of rose plant and Spearmint beside the predaceous mite associate with them were recorded during two growing seasons. All stages of Euseius plumerii n. sp. were described and illustrated. The two-spotted spider mite, Tetranychus urticae was reared on different rose cultivars, Arabian Jasmine and Spearmint under three temperature degrees and relative humidity of 70%. Rearing E. plumerii n. sp. and Neoseiulus barkeri on T. urticae immatures infested rose leaves at the previous conditions were done. The effectiveness of E. plumerii n. sp. and the predacious insect, Chrysoperla carnea to restrict T. urticae and some sucking insect pests, Macrosiphum rosae, Frankliniella occidentalis and Bemisia tabaci on rose plants during two seasons were discussed. In addition to the population of those predators was also recorded.