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 108. Taphrocerus schaefferi (Nicolay and Weiss, 1920) New State Record: Houston County, 21 May 1938 , H. E. Miliron. County Records ( n = 2): Anoka and Houston. Collection Dates: 21 May–15 July. Minnesota Hosts: Unspecified in collection records. Larval hosts recorded as Cyperus sp. and Cyperus esculentus L. ( Cyperaceae ). Adults also on Carex vulpinoidea Michx. (Cyperaceae) . Collection Method: Unspecified.