TY - JOUR AU - Warnert, Jeannette E. TI - Unwelcome arrivals JF - California Agriculture JO - Calif Agr Y1 - 2014/10/01 VL - 68 IS - 4 SP - 102 EP - 104 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://dx.doi.org/10.3733/ca.v068n04p102 L3 - 10.3733/ca.v068n04p102 AB -