Corythucha marmorata (Chrysanthemum Lace Bug)

Corythucha marmorata on Artemisia campestris (Field Sagewort).

At first glance there appeared to be no reports of Corythucha marmorata feeding on any species of Artemisia. But a little deeper looking turned up this paper:
"Geographical Distribution and Host plants of Corythucha marmorata (Uhler) (Hemiptera: Tingidae) in Korea" (Dong Eon Kim and Jihyon Kil, 2014) in the Korean journal of applied entomology 53(2):185-191 where Corythucha marmorata, an introduced species in Korea and a pest insect, is documented on Artemisia princeps.