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Species Scymnus securus - Coastal Scymnus Lady

Scymnus securus J. Chapin - Scymnus securus Scymnus securus J. Chapin - Scymnus securus Scymnus securus J. Chapin - Scymnus securus
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 Scymninae
Tribe Scymnini (Dusky Lady Beetles)
Genus Scymnus
No Taxon (elytral tips pale)
Species securus (Coastal Scymnus Lady)
Explanation of Names
Scymnus securus J. Chapin, 1973
Size
2.1-2.5 mm (1)
1.9-2.3 mm in LA (2)
Identification
2mm long or larger
Large pale area at rear of body
Pronotum dark with pale anterolateral angle, occasionally also pale anterior margin
Underside mostly dark except last 3 abdominal sterna
Deeply emarginate 5th abdominal sternum
Range
coastal e. US (LA-FL-MA, Ont) - Map (1)
Habitat
grassy coastal marsh (2)
Season
May-Oct in LA (2)
Remarks
one of the most common Scymnus sp. in the LSAM (2)
See Also
Scymnus rubricaudus smaller (always under 2 mm) with last four abdominal sterna pale
- Range: e. US
Print References
Chapin, J.B. 1973. New species of lady beetles in the genera Scymnus and Mulsantina (Coleoptera: Coccinellidae). Annals of the Entomological Society of America 66: 1071-1073. (3)
Gordon, 1976, esp. pp. 275-276, figs. 425-430, map 65.(4)
Gordon, 1985, esp. pp. 286-287, figs. 227-228 (includes updated map).(1)
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.
2.The Coccinellidae of Louisiana (Insecta: Coleoptera).
Chapin, J.B. 1974. Louisiana Agricultural Experiment Station Bulletin 682: 2-87.
3.New species of ladybeetles in the genera Scymnus and Mulsantina (Coleoptera: Coccinellidae).
Chapin, J.B. 1973. Annals of the Entomological Society of America 66: 1071-1073.
4.The Scymnini (Coleoptera: Coccinellidae) of the United States & Canada: Key to genera and revision of Scymnus, Nephus, & Diomus
Robert D. Gordon. 1976. Bulletin of the Buffalo Society of Natural Sciences, Buffalo, NY, Vol 28.