TY - RPRT AU - Wirth, Willis W. AU - Jones, Robert H. DA - 1957 DA - 1957 DO - 10.22004/ag.econ.157220 DO - doi ID - 157220 KW - Crop Production/Industries L1 - https://ageconsearch.umn.edu/record/157220/files/tb1170.pdf L2 - https://ageconsearch.umn.edu/record/157220/files/tb1170.pdf L4 - https://ageconsearch.umn.edu/record/157220/files/tb1170.pdf LA - eng LA - English LK - https://ageconsearch.umn.edu/record/157220/files/tb1170.pdf PY - 1957 PY - 1957 T1 - The North American Subspecies of Culicoides variipennis TI - The North American Subspecies of Culicoides variipennis UR - https://ageconsearch.umn.edu/record/157220/files/tb1170.pdf Y1 - 1957 T2 - Technical Bulletin T2 - No. 1170 ER -