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- Title
Functional response of the predatory mite Chileseius camposi (Acarina: Phytoseiidae) on densities of it prey, Panonychus ulmi (Acarina: Tetranychidae).
- Authors
Sepúlveda, Francisco; Carrillo, Roberto
- Abstract
The functional response of the phytoseiid predator Chileseius camposi González y Schuster, 1962 (Acarina:Phytoseiidae) on densities of its prey Panonychus ulmi (Koch, 1836) was evaluated under controlled temperature (20 ± 2 °C),, relative humidity (75 ± 15%) and photoperiod (16:8h L:D). A functional type II response was displayed (Holling's disk). Holling, Wolf transformation and Rogers models gave similar values for estimating parameters of the Holling's disk equation; however, estimates produced by the Livdahl and Stiven model were higher. Values of attack rate and handling time can be considered within the normal range for phytoseiid generalists.
- Subjects
PREDATORY mite; EUROPEAN red mite; PHYTOSEIIDAE; SPIDER mites; HUMIDITY
- Publication
Revista de Biología Tropical, 2008, Vol 56, Issue 3, p1255
- ISSN
0034-7744
- Publication type
Article