Abstract
Prior to World War II, Dutch elm disease control in Eastern United States was based entirely on sanitation. Funds and manpower were available through such government programs as WPA. Bromley (1948) reported sprays containing lead arsenate effective against elm bark beetles. Whitten (1945) reported that DDT controlled the smaller European elm bark beetle, Scolytus multistriatus (Marsham). Plumb (1950) and Matthysse et al. (1954) reported effective control of elm bark beetles and Dutch elm disease by dormant mist-blown applications of concentrated DDT-xylene emulsions. Following World War II, DDT became available and its use increased.
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