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Species Scymnus impexus

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Coccinelloidea
No Taxon (Coccinellid group)
Family Coccinellidae (Lady Beetles)
Subfamily Scymninae
Tribe Scymnini (Dusky Lady Beetles)
Genus Scymnus
Species impexus (Scymnus impexus)
Explanation of Names
Scymnus (Pullus) impexus Mulsant 1850
Identification
adult habitus < === ???
Range
native to Europe, introduced in NA (released in Atlantic Canada and the US)(1)(2)
Habitat
coniferous forests, on aphid-infested spruce, fir, sometimes pine (occasionally on deciduous trees)(2)
Remarks
introduced to control the balsam wooly adelgid, Adelges piceae; releases started in 1951 in Atlantic Canada, populations have apparently declined since(1)