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eBook details

• Title: Sympatry of Orius Insidiosus and O. Pumilio (Hemiptera: Anthocoridae) in North Central Florida (Report)
• Author : Florida Entomologist
• Release Date : January 01, 2009
• Genre: Life Sciences,Books,Science & Nature,
• Pages : * pages
• Size : 184 KB

Description

The control of arthropod pests in organic farming is predicated on ecologically sound management without the use of synthetic chemical insecticides (Zehnder et al. 2007). In addition to modifying cultural practices and vegetation management, inundative or inoculative release of biological control agents can be used to reduce the populations of pests. The release of generalist feeders such as anthocorid predators has been used with some efficacy in the control of aphids, leafhoppers, psyllids, thrips, whiteflies, mealybugs, and sciarid flies in both field and green house crops (Stiling & Cornelissen 2005). Prior to implementing a release of a biological control agent, the onus on the supplier and grower is to identify the interactions of the agent within the environment in order to provide targeted pest management with minimal collateral ecological disruption. Thus, it is critical to understand the natural history and niche of the intended biological control agent. Although the genus Orius is cosmopolitan, interactions of the many species within the genus have not been explored extensively within their natural ranges. Two closely related species of predacious minute pirate bugs, Orius insidiosus (Say) and O. pumilio (Champion) (Hemiptera: Anthocoridae), have been reported in Florida. Needham (1948) observed that O. pumilio and O. insidiosus were common in south Florida on Bidens pilosa L. (Spanish needles, beggar's ticks) flower heads. Funderburk et al. (2004) observed that O. pumilio co-occurs with O. insidiosus in southern Florida.

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