Abstract
Megacopta cribraria (F.) (Hemiptera: Plataspidae) is an Old World pest of legumes in Asia. Since its 2009 discovery in Georgia, it has become an economic pest of soybeans in the southeastern United States. The objective of this study was to determine the host preference of M. cribraria on edible legumes that might incur economic damage from injury of this pest. From 2012 to 2013 choice, no-choice, and field trials were conducted to evaluate the host suitability of several beans of commercial interest including pinto bean, lima bean, winter pea, and black-eyed pea. Choice and no-choice studies were conducted under greenhouse conditions. Plants in greenhouse trials were infested with adults and egg masses collected from kudzu and soybean and monitored for ∼2 wk. Field trials were allowed to be infested by naturally occurring M. cribraria populations. Sweep and whole plant counts of adults, egg masses, and nymphs were used to quantify field infestations. The legume crops found to be suitable developmental hosts are soybean, edamame, and pigeon pea. Low levels of development were seen on fava bean and none on the remaining entries.
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