Excerpt from Cooperative Economic Insect Report, Vol. 5: November 11, 1955 In the remainder of the Country precipitation was generally very light, resulting in

Excerpt from Cooperative Economic Insect Report, Vol. 10: February 26, 1960 Highlights of Insect Conditions Several species of bark beetles causing top and comp

Excerpt from Cooperative Economic Insect Report, Vol. 5: November 25, 1955 Most of the precipitation in northern interior areas and on the north Pacific Coast f

Excerpt from Cooperative Economic Insect Report, Vol. 5: February 11, 1955 Seasonal conditions for borer development in central Iowa were good. The chronology o

Excerpt from Cooperative Economic Insect Report, Vol. 5: October 21, 1955 Cooler weather following the rains which moved across the northern portion of the Coun