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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Coccinelloidea » Coccinellid group » Lady Beetles (Coccinellidae) » Chilocorinae » Axion » Twice-struck Lady Beetle (Axion plagiatum)

Species Axion plagiatum - Twice-struck Lady Beetle

Classification · Explanation of Names · Size · Identification · Range · See Also · Works Cited

Axion plagiatum var. texanum - Axion plagiatum

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 Chilocorinae

Genus Axion

Species plagiatum (Twice-struck Lady Beetle)

Explanation of Names

Axion plagiatum (Olivier 1808)

plagiatum = 'blotched'

Size

Length 5.6-6.4 mm (1)

Identification

Gordon's figures (2)

Black with two large red spots oriented towards the front and sides (unlike Chilocorus); may have white marking on head (var. texanum), or a narrow yellow margin.

Helmet-shaped: highly convex with a broadly flared "rim"

Venter mostly black with red thorax; sometimes with red edges around a medial black area on the abdomen (var. texanum)

uncommon example of Axion plagiatum (Olivier) w smaller dorsal spots, similar to Chilocorus stigma (Say), see below:

Det. James Bailey, 2015

Range

OR-CA-e.TX-OK - Map (cross hatching) (2)(3) - Note: Gordon's (1985) map is mislabeled, A. plagiatum is the western species.

See Also

Chilocorus stigma (Say) - reliably distinguished venterally from Axion plagiatum

- widely dist., more common across e. NA

Det. M. A. Quinn, 2018

Works Cited

1.	The Coccinellidae of Louisiana (Insecta: Coleoptera). Chapin, J.B. 1974. Louisiana Agricultural Experiment Station Bulletin 682: 2-87.

2.	The Coccinellidae (Coleoptera) of America North of Mexico Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.

3.	List of Coleoptera Collected in Latimer County, Oklahoma by Karl Stephan (2002)

Contributed by Tim Moyer on 17 March, 2009 - 1:21pm
Additional contributions by Chuck Entz, Mike Quinn, v belov, James Bailey, Abigail Parker, PaleoJon
Last updated 26 November, 2024 - 12:30pm

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