Some new synonyms in Aphididae (Hemiptera: Sternorrhyncha) Author Victor Author Eastop, F. Author Blackman, Roger L. text Zootaxa 2005 1089 1 36 journal article 37165 10.5281/zenodo.273344 d10b9f81-9b43-4efb-a0ea-b57b6229ef1f 1175­5326 273344 Coloradoa artemisiae ssp. artemisicola Takahashi 1965 = Coloradoa campestrella Ossiannilsson 1959 Takahashi, describing artemisicola as a subspecies of C. artemisiae in Japan , noted that it was close to C. campestrella but distiguished it by “ultimate rostral segment distinctly longer (1.2–1.3 times) second segment of hind tarsus”. The range for this ratio in European apterae of campestrella is 1.1–1.3, and no other distinguishing features could be found. C. campestrella is therefore a species that feeds on numerous Artemisia spp. , with a range extending from Europe across Asia to Pakistan , China , Korea and Japan .