Influence of Centaurea biebersteinii patch size on Urophora quadrifasciata (Dipt. Tephritidae) in Michigan, USA

• Published in: Journal of applied entomology (1986) Vol. 130; no. 2; pp. 91 - 95
• Main Authors: Marshall, J.M, Storer, A.J
• Format: Journal Article
• Language: English
• Published: Berlin, Germany Berlin, Germany : Blackwell Verlag GmbH 01.03.2006; Blackwell Verlag GmbH
• Subjects: Asteraceae; biological control; biological control agents; capitula; Centaurea; Centaurea biebersteinii; Centaurea stoebe subsp. micranthos; dispersal behavior; exotic; fruit fly; host plants; infestation rate; inflorescences; invasive; larvae; overwintering; perennial weeds; plant-insect relations; population density; seed heads; spotted knapweed; stem density; stems; Tephritidae; Urophora quadrifasciata; weed control; Michigan; USA, Michigan

Host plant patch size plays an important role in the distribution and densities of many insect species. Understanding how the host plant patch size influences the population of a biological control agent is necessary to monitor the success of a biological control programme. Urophora quadrifasciata (...