Antennae slender, wings transparent, veins simple. Quiescent before the male in the emergence secrete a large number of ash surrounded the soma. Ash Kuwana more than 10 species of host plants, the most common are for Ligustrum and Fraxinus species, the main distributed in the southwestern provinces of Guangdong, Guangxi, Fujian and other places also. Ash ash produced by Kuwana, a high melting point, good quality, is an important raw material medicine and industry.

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