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Species Eulecanium kunoense - Kuno scale

Kuno scale - Eulecanium kunoense - female Kuno scale - Eulecanium kunoense - female scale? - Eulecanium kunoense Kuno scale - Eulecanium kunoense - female scale crawlers - Eulecanium kunoense scale crawlers and eggs - Eulecanium kunoense scale - Eulecanium kunoense - male scale - Eulecanium kunoense - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Coccoidea (Scales and Mealybugs)
Family Coccidae (Soft Scale Insects)
Genus Eulecanium
Species kunoense (Kuno scale)
Size
3-4mm
Identification
Adult female is round or oval and has a reddish color with a black pattern. Field characteristics are enough to distinguish this species. It is distinct morphologically from all other N. American soft scales except E. tiliae, which lacks the distinct dorsal pattern of E. kunoense. E. kunoense has a broad internal "lip" of the body margin where the adult female attaches to the host. (1)
Range
Introduced from the orient. Has been in California since at least 1896. As of 1988, was known only in Bay Area counties (Alameda, Santa Clara, Contra Costa) and Lake, Butte, and Sacramento counties. (1)
Season
One generation per year (March - May). (1)
Food
Stone fruit trees; apple trees; pear trees. (1)
Internet References
UC Davis IPM site covering scales.
ScaleNet page for Eulecanium kunoense. (ScaleNet also has photos if you search for them; here is one photo.)
Works Cited
1.The Scale Insects of California. Parts 1-3.
Raymond J. Gill. 1988. Sacramento, Calif. : Analysis and Identification Branch, Division of Plant Industry, California Dept. of Food and Agriculture.