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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Species Calligrapha confluens

Calligraphy beetle - ignota? - Calligrapha confluens Calligraphy beetle - ignota? - Calligrapha confluens Calligrapha ignota? - Calligrapha confluens leaf beetle - Calligrapha confluens Is that Calligraphia scalaris? - Calligrapha confluens Is that Calligraphia scalaris? - Calligrapha confluens leaf beetle - Calligrapha confluens Calligrapha possibly scalaris group - Calligrapha confluens
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 Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Chrysomelinae
Tribe Chrysomelini
Subtribe Doryphorina
Genus Calligrapha
No Taxon (subgenus Calligrapha)
No Taxon (scalaris group)
Species confluens (Calligrapha confluens)
Explanation of Names
Calligrapha confluens Schaeffer 1928
Size
7-8 mm
Identification
Distinguished by the narrow pale area near the suture on the apical declivity of elytra. Species is polymorphic for this feature, however. (Dr. Gomez-Zurita's comments here and here)
Range
ne. NA to ON-NE-VA (no records for most states in between yet)(1)
Food
host: alder (Alnus)(2)