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- Title
Effect of Plant Characteristics and Within-Plant Distribution of Prey on Colonization Efficiency of Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) Adults.
- Authors
Adedipe, Folukemi; Yong-Lak Park
- Abstract
Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) has been widely used in classical and inundative biological control of mealybugs, including the long-tailed mealybug, Pseudococcus longispinus (Hemiptera: Pseudococcidae). This study was conducted to investigate colonization and establishment efficiency of C. montrouzieri to manage P. longispinus on three different ornamental plant species (Ficus elastica, Lilium longiflorum, and Dieffenbachia seguine). Within-plant distribution pattern of P. longispinus and the colonization ecology of adult C. montrouzieri were investigated. Significantly more P. longispinus were found on the upper parts of the plants regardless of plant species, and C. montrouzieri adults discovered P. longispinus significantly faster when they were released on the top of the plants than on the bottom. Choice tests revealed that C. montrouzieri adults preferred smaller P. longispinus nymphs. The implications for utilization of C. montrouzieri for biological control of mealybugs on various ornamental plants are discussed.
- Subjects
LADYBUGS; EFFECT of predation on insects; BEETLES; INSECT societies; BIOLOGICAL control of insects; MEALYBUGS; LONGTAILED mealybug
- Publication
Psyche: A Journal of Entomology, 2012, p1
- ISSN
0033-2615
- Publication type
Article
- DOI
10.1155/2012/503543