A wind-oriented sticky trap for evaluating the behavioural response of the leaf-beetleDiabrotica speciosato cucurbit extracts

Autor:	Donald C. Weber, G. Cabrera Walsh, Federico Mattioli
Rok vydání:	2014
Předmět:	Herbivore biology media_common.quotation_subject food and beverages Insect biology.organism_classification Attraction Diabrotica speciosa Crop Cucurbitacins Insect Science Botany Agronomy and Crop Science Diabrotica Leaf beetle media_common
Zdroj:	International Journal of Pest Management. 60:46-51
ISSN:	1366-5863 0967-0874
DOI:	10.1080/09670874.2014.897771
Popis:	Cucurbitacins are plant defensive chemicals that attract many species of adapted insect herbivores such as luperine leaf beetles, and they have been employed in traps and toxic baits. Male and female beetles feed avidly on baits containing these compounds, but field trials have revealed that males find them far more attractive than females. A wind-oriented baited sticky trap was designed to evaluate the response of Diabrotica speciosa to cucurbit extracts, by means of a mark–release–recapture experiment. The spatial range of attraction was less than 20 m, and captures were almost exclusively of males (99.91%). Distance attraction for D. speciosa to a point-source of bitter cucurbit juices is probably exclusive to males. These conclusions probably apply to most Diabrotica species, of which many are crop pests.
Databáze:	OpenAIRE
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