Kozár, F., & Foottit, R.G. 1992 Tridiscus oetvoesi, new species, and some zoogeographic features of scale insect fauna of Canada (Homoptera, Coccoidea).. Acta Zoologica Hungarica 38(3-4): 207-211.

Notes: Abstract: Description of this new species found in leaf sheaths of Agropyron sp. near seacoast of Victoria, British Columbia; key to genus; speculation on number of scales likely to occur in Canada.