Studies on the killing effect of predatory of Neoseiulus cucumeris on Oligonychus biharen
ZHANG Yan-xuan
LIN Jian-zhen
JI Jie
CHEN Xia
Abstract：The function response of female Neoseiulus cucumeris preying female, male or nymph of Oligonychus biharen and the numeral response of N. cucumeris under different temperature conditions were studied. The result showed that: 1. The females of N. cucumeris were observed to feed nymph of O. biharen Under 14 to 33℃ temperature conditions, the maximum number of the daily preying of N. cucumeri adults to the nymph of O. biharen was 3 to 6 mites; 2. The suppressing ability of female N. cucumeri to the female of O. biharen increased with the temperature from 14 to 26℃, the highest was observed at (25±1)℃(a'/Th=9.378 5)and decreased with the temperature after 30℃;3. The rate of attacking of female N. cucumersi to the female O. biharenmale O. biharennymph O. biharen under (25±1)℃ temperature condition; 4. Preying of female N. cucumeris to the female O. biharen decreased with the increase of population density of female N. cucumrsis from14 ℃ to 33 ℃. The above results indicate that N. cucumerisi is a bio-control agent to controlling pest mites of O. biharen in loquat orchard in the last-Autunm to early spring season.
Keywords：Neoseiulus cucumerisOligonychus biharenFunction responseBiocontrolLoquat
Publication Date：2009-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 683-686 )