Evidence for the influence of conspecific chemical cues on Aphthona nigriscutis (Coleoptera: Chrysomelidae) behaviour and distribution

Autor:	A. S. McCLAY, B. A. Keddie, D. E. Cole, James A. Tansey
Rok vydání:	2005
Předmět:	Flea beetle Entomology Animal ecology Ecology Insect Science Biological pest control Pheromone Biological dispersal Aphthona nigriscutis Biology biology.organism_classification Agronomy and Crop Science Leafy
Zdroj:	BioControl. 50:343-358
ISSN:	1573-8248 1386-6141
DOI:	10.1007/s10526-004-1232-3
Popis:	Although the distribution of biological control agents may have a significant effect upon their impacts, the mechanisms regulating these distributions are often un- known. Such is the case with Aphthona nigriscutis, a classical biological control agent of leafy spurge in North America. These beetles assume aggregated distributions at some sites but disperse rapidly at others. The potential influence of plant and insect-factors upon aggregation and dispersal was investigated to try to explain these observations. Male beetles produce a putative aggregation pheromone. Responses of conspecifics to male-associated cues are greater when beetles are feeding on host plants. Densities of beetle groups greatly impact their attractiveness. Males are more sensitive to dispersal cues and females are more sensitive to congregation cues.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::62d07aabd013debd16c609f14db6d27a https://doi.org/10.1007/s10526-004-1232-3 Zobrazit plný text záznamu Full text from SpringerLink