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Telling Pests from Non-pests: Species Delimitation in Highly Polyphagous and Abundant Armored Scale Insect Species Complexes

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Principal Investigator/Project Leader: 
Benjamin
Normark
Department of Project: 
Department of Biology
Project Description: 

Armored scale insects (Hemiptera: Diaspididae) include many destructive pests of orchard crops, forestry, horticulture, and agriculture (Kennett et al., 1990), costing an estimated two billion dollars per year in the US (Miller & Davidson, 2005). They also have an extraordinary tendency to be invasive. As of 2005, the US had 132 species of diaspidids introduced from other countries (Miller et al., 2005), comprising fully 40% of the known US armored scale insect fauna. Of these, 85 (64%) were considered pests. About one new invasive diaspidid species is detected in the US every year (Miller et al., 2005). Here in Massachusetts, multiple species of armored scale insects are emerging as serious pests of cranberries (Averill & Sylvia, 2017). One specific target of this investigation will be the scale insect that have recently emerged as a threat to Massachusetts cranberry.
 

Topics: 
Agriculture topics: 
Insects & Mites