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Subspecies Exochomus childreni guexi

Exochomus - Exochomus childreni Exochomus childreni Mulsant  - Exochomus childreni - male Exochomus childreni guexi LeConte - Exochomus childreni Exochomus childreni guexi LeConte - Exochomus childreni Exochomus childreni guexi LeConte - Exochomus childreni Exochomus childreni guexi LeConte - Exochomus childreni Exochomus childreni guexi LeConte - Exochomus childreni Exochomus childreni guexi LeConte  - Exochomus childreni
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 Chilocorinae
Genus Exochomus
Species childreni (Exochomus childreni)
Subspecies guexi (Exochomus childreni guexi)
Synonyms and other taxonomic changes
Exochomus childreni guexi LeConte
Orig. Comb: Exochomus guexi LeConte, 1852
Explanation of Names
Named for John A. Guex, amateur naturalist and prolific collector of beetles. The type specimen was from his collection.
Numbers
9 spp. of Exochomus n. of Mex. (2 introduced) (1)
Size
Length 2.80 to 3.60 mm
width 2.30 to 3.0 mm (2)
Identification
Pronotum of male black with pale margin; pronotum of female black, or with slightly pale anterolateral angle
Legs of male yellow; legs of female dark (2)
Range
TX-LA - MAP - (2)
Stephan (2002) reported 26 specimens of Exochomus childreni guexi from e. Oklahoma and no records of E. marginipennis (3), whereas Dr. Chapin reported no records of Exochomus childreni guexi from Arkansas, but 14 separate county records for E. marginipennis. (4)
Food
Larva observed feeding on oleander aphids, Aphis nerii.
Remarks
Type locality: Louisiana (lectotype designated by Gordon 1985)
See Also
coarse elytral punctation distinguishes pale specimens of E. marginipennis from typical specimens of E. childreni, however, the two spp. lack genitalic differences... (2)
Exochomus childreni childreni - restricted to Florida
Gordon (1985) wrote: "There are several color forms of what I consider to be E. marginipennis (Fig. 512 e-h).
The dark colored specimens are mostly restricted to the eastern and southeastern United States.
Some specimens from northern Florida and Louisiana have the pale childreni pattern (Fig. 512 h), and all specimens from Texas possess that pattern." (2)
Print References
LeConte, J.L. 1852. Remarks upon the Coccinellidae of the United States. Proceedings of the Academy of Natural Sciences Philadelphia 6: 129-145. (p. 132)
Internet References
Type - MCZ, Harvard
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
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)
4.A checklist of the Coccinellidae of Arkansas.
Rouse, E.P., and J.B. Chapin. 1976. Proceedings of the Arkansas Academy of Science 30: 76-77.