Vänninen, Irene, Susan Worner, Erja Huusela-Veistola, Tuomo Tuovinen, Anne Nissinen, and Kari Saikkonen. 2011. “Recorded and Potential Alien Invertebrate Pests in Finnish Agriculture and Horticulture”. Agricultural and Food Science 20 (1):96-114. https://doi.org/10.2137/145960611795163033.