The Buprestidae (Coleoptera) of Minnesota, with a Discussion of the Emerald Ash Borer, Agrilus planipennis Fairmaire Author Hallinen, Marie J. Author Steffens, Wayne P. Author Schultz, Jennifer L. Author Aukema, Brian H. text The Coleopterists Bulletin 2021 2021-03-20 75 1 173 190 http://dx.doi.org/10.1649/0010-065x-75.1.173 journal article 10.1649/0010-065X-75.1.173 1938-4394 4837088 18. Agrilus difficilis Gory, 1841 New State Record: Washington County , Tilsen Park , Oakdale , 44.99993°N , 92.96669°W , 23 July 2014 , B. Kuehn , collected at C. fumipennis nesting site . County Records ( n = 41): Anoka, Chisago, Ramsey, and Washington . Collection Dates: 18 July–2 August. Minnesota Hosts: Unspecified in collection records. Larval host recorded as Gleditsia triacanthos . Collection Method: All specimens collected as C. fumipennis prey.