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Species Scymnus louisianae

Small beetle - Scymnus louisianae Scymnus louisianae J. Chapin - Scymnus louisianae Scymnus louisianae J. Chapin - Scymnus louisianae Scymnus louisianae J. Chapin - Scymnus louisianae Scymnus louisianae J. Chapin - Scymnus louisianae Scymnus louisianae J. Chapin - Scymnus louisianae Orange Tail Dusky Ladybug Beetle - Dorsal  - Scymnus louisianae Orange Tail  Dusky Ladybug Beetle - Lateral  - Scymnus louisianae
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 Scymninae
Tribe Scymnini (Dusky Lady Beetles)
Genus Scymnus
No Taxon (elytral tips pale)
Species louisianae (Scymnus louisianae)
Explanation of Names
Scymnus louisianae J. Chapin
Size
2.11 to 2.58 mm (1)
Identification
black pronotal spot not extending [laterally??] beyond the middle of the pronotum (2)
Range
se US to AZ, mostly: TX-LA(2), with scattered records from AZ, OK, FL, VA, TN - Map (3),(4),(5)
Season
May-Oct (6)
Life Cycle
on Canada lettuce - Lactuca canadensis (Asteraceae) infested with Uroleucon pseudambrosiae (Aphididae),
also on crape myrtle and pyracantha infested with aphids (6)
Remarks
one of the most common Scymnus sp. in the TAMUIC. (7)
See Also
very similar to S. fraternus (6), which doesn't range into Texas
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.
Chapin, J.B. 1974. The Coccinellidae of Louisiana (Insecta: Coleoptera). Louisiana Agricultural Experiment Station Bulletin 682: 2-87. (6)
Works Cited
1.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.
2.Typocerus acuticauda
3.The Coccinellidae (Coleoptera) of America North of Mexico
Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.
4.Illustrated Beetle (Coleoptera) Inventory of the Sabal Palm Sanctuary (Cameron County, Texas)
Edward G. Riley & Michael A. Quinn. 2011. Texas A&M University, Dept. Entomology, College Station.
5.List of Coleoptera Collected in Latimer County, Oklahoma by Karl Stephan (2002)
6.The Coccinellidae of Louisiana (Insecta: Coleoptera).
Chapin, J.B. 1974. Louisiana Agricultural Experiment Station Bulletin 682: 2-87.
7.Texas A&M University Insect Collection (TAMUIC)