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pronotum entirely black

Little Black Beetle - Scymnus Scymnus (Pullus) tenebrosus Mulsant - Scymnus tenebrosus Scymnus (Pullus) tenebrosus Mulsant - Scymnus tenebrosus Scymnus (Pullus) tenebrosus Mulsant - Scymnus tenebrosus Lady beetle - Scymnus Dusky Lady Beetle? - Scymnus calaveras Beetle - Scymnus - female Scymnus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Coccinelloidea
No Taxon (Coccinellid group)
Family Coccinellidae (Lady Beetles)
Subfamily Scymninae
Tribe Scymnini (Dusky Lady Beetles)
Genus Scymnus
No Taxon pronotum entirely black
Size
Scymnus compar - < 2 mm
Scymnus tenebrosus - > 2 mm (1)
Range
Eastern spp:
Scymnus compar - scattered locations e. N. Amer.
Scymnus tenebrosus - e. N. Amer.
Scymnus pulvinatus Wingo - one record nw MO
Scymnus abbreviatus LeConte - St. Lawrence seaway, MI Upper Pen. - Type
Western spp:
Scymnus calaveras - mostly CA-BC, ID
Scymnus lacustris - mostly nw US, sw Can
Works Cited
1.The Coccinellidae of Louisiana (Insecta: Coleoptera).
Chapin, J.B. 1974. Louisiana Agricultural Experiment Station Bulletin 682: 2-87.