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Species Calvia quatuordecimguttata - Cream-spotted Lady Beetle

Lady Bug - Calvia quatuordecimguttata Calvia quatuordecimguttata larva - Calvia quatuordecimguttata Pink Spotted Ladybird Beetle! - Calvia quatuordecimguttata Lady Beetle sp. (Coccinellidae) - Calvia quatuordecimguttata Ladybird? - Calvia quatuordecimguttata Lady Beetle - Calvia quatuordecimguttata Larva - Calvia quatuordecimguttata Unusual ladybug, spots on head - Calvia quatuordecimguttata
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)
Superfamily Cucujoidea (Sap, Bark, Fungus and Lady Beetles)
Family Coccinellidae (Lady Beetles)
Subfamily Coccinellinae
Genus Calvia
Species quatuordecimguttata (Cream-spotted Lady Beetle)
Other Common Names
Polkadot Lady Beetle
Eighteen-spotted Lady Beetle
Synonyms and other taxonomic changes
First described in 1758 by Linnaeus as Coccinella 14-guttata.
Since Linnaeus used an abbreviation, there is disagreement as to whether quatuordecimguttata or quattuordecimguttata is the correct spelling. Quattuordecim for 14 is correct according to Latin dictionaries, but quatuordecim is the spelling Linnaeus used elsewhere in the same description.
Calvia quatuordecimguttata
Explanation of Names
From Latin quattuordecim- "14" + guttata- "spotted"
Length 4.0 to 5.5 mm, width 3.2 to 4.5 mm.(1)
Adult: It comes in great variety of color forms. These are the major pattern variations, starting with the cream-spotted form:

Regardless of pattern, the pronotum is always shiny, and the underside is mostly black with a reddish border around the abdominal segments.

Larva: Black and white with large conical "spines" on every abdominal segment.
Map - Holarctic. In North America, Labrador to New Jersey, west to Alaska and northern California.(1)
Psyllids, aphids, and other soft-bodied insects.
See Also
Coleomegilla maculata, Spotted Lady Beetle - Color and pattern similar to pink form of C. quatourdecimguttata, but shape is elongated, less convex in profile, and tapers towards rear. Second row of spots has one large spot on each side, not two spots like pink form of Calvia; at rear of body, one small spot on each side, not one large spot joined across the middle.

Larva of Propylea quatuordecimpunctata, Fourteen-spotted Lady Beetle - similar in color and pattern, but does not have pointed spines.
Print References
Gordon, 1985, especially pp. 774-776, figures 634-636.(1)
Internet References
Systema naturae, 10th ed., v.1, p.367    Linnaeus' official original description of the species
Fauna svecica, p.143, no.397    Linnaeus' earlier (1746) description, cited by the official original description.
Works Cited
1.The Coccinellidae (Coleoptera) of America North of Mexico
Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.