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1 January 2010 Hyperaspidius venustulus (Mulsant) (Coleoptera: Coccinellidae): A Rarely Collected Lady Beetle Associated with the Mealybug Dysmicoccus dennoi Kosztarab on Big Cordgrass, Spartina cynosuroides (Poaceae)
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Abstract

Since its description from North America (America boreali) in 1850, Hyperaspidius venustulus (Mulsant) has been recorded only from an adult at a locale in Georgia and from Miami–Dade County, Florida (number of adults unspecified). Its habits and habitats have remained unknown. This scymnine coccinellid is newly reported from South Carolina on the basis of 43 adults from grasses, mainly big cordgrass (Spartina cynosuroides (L.) Roth; Poaceae), in or near brackish marshes and along tidal waterways. Its probable prey on big cordgrass is the mealybug Dysmicoccus dennoi Kosztarab. Near stands of S. cynosuroides, the coccinellid was collected occasionally from marshhay cordgrass (S. patens (Ait.) Muhl.) and from a beardgrass, Andropogon tenuispatheus (Nash) Nash (sensu Weakley 2007), that was infested by the mealybug Trionymus clandestinus McConnell and the eriococcid or felt scale Eriococcus dubius Cockerell. A diagnosis of H. venustulus and color photograph of the adult habitus are provided to facilitate recognition of this little-known lady beetle.

A. G. Wheeler Jr. "Hyperaspidius venustulus (Mulsant) (Coleoptera: Coccinellidae): A Rarely Collected Lady Beetle Associated with the Mealybug Dysmicoccus dennoi Kosztarab on Big Cordgrass, Spartina cynosuroides (Poaceae)," Proceedings of the Entomological Society of Washington 112(1), 149-154, (1 January 2010). https://doi.org/10.4289/0013-8797-112.1.149
Published: 1 January 2010
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