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Species Scymnus horni

Scymnus (Pullus) horni Gorham - Scymnus horni Scymnus (Pullus) horni Gorham - Scymnus horni
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
Species horni (Scymnus horni)
Explanation of Names
Scymnus (Pullus) horni Gorham, 1897
1.85-2.2 mm (1)
can usually be ID'ed externally as the black pronotal spot almost never reaches the apical margin of the pronotum, and the legs are always entirely pale.
color pattern is extremely stable in this species, the siz to the black pronotal spot may very slightly. (1)
s. CA to c. & s. TX / Mex. - Map (shaded area) (1)(2)
extremely common sp. from AZ to w. TX (1)
See Also
S. brullei has a similar pronotal pattern, but the apex of the elytron is broadly pale, narrowly so in horni (1)
Print References
Gorham, H.S. 1897. Biologia Centrali-Americana, Insecta, Coleoptera: Coccinellidae 7: 217-240.
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.The Coccinellidae (Coleoptera) of America North of Mexico
Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.