Golf Course Management

JUL 2017

Golf Course Management magazine is dedicated to advancing the golf course superintendent profession and helping GCSAA members achieve career success.

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64 GOLF COURSE MANAGEMENT 07.17 insecticide application timing for maximum efficacy. Results from this experiment suggest that two insecticide applications may be nec - essary in areas where heavy billbug infestation occurs, with one in late April/early May, and another in late July/early August in Missouri and surrounding areas. Acknowledgments The authors would like to thank GCSAA and the Missouri Valley GCSA for funding this project. We would also like to thank superin - tendents Joseph Herzog at Columbia Country Club and Ryan Sears at Country Club of Mis - souri, both located in Columbia, Mo., for gra- ciously providing the experimental sites. Literature cited 1. Doskocil, J.P., and R.L. Brandenburg. 2012. Hunting billbug (Coleoptera: Curculionidae) life cycle and damaging life stage in North Carolina, with notes on other billbug species abundance. Horticultural Ento - mology 105:2045-2051. 2. DuRant, J.A. 1985. Influence of temperature, relative humidity, date, and time of day on activity of the adult southern corn billbug on corn. Journal of Agricultural Entomology 2:20-26. 3. Fry, J.D., and R.A. Cloyd. 2011. Zoysiagrass geno - types differ in susceptibility to the bluegrass billbug, Sphenophorus parvulus. HortScience 46:1314-1316. 4. Huang, T., and E.A. Buss. 2009. Billbug (Coleoptera: Curculionidae) species composition, abundance, seasonal activity, and developmental time in Florida. Journal of Economic Entomology 102:309-314. 5. Huang, T.I. 2008. Billbug (Sphenophorus spp.) com - position, abundance, seasonal activity, development time, cultivar preference, and response to endophytic ryegrass in Florida. M.S. thesis. University of Florida, Gainesville. 6. Johnson-Cicalese, J.M., and C.R. Funk. 1990. Additional host plants of four species of billbug found in New Jersey turfgrasses. Journal of the American Total billbug Hunting billbug Bluegrass billbug 2015 2016 Date Billbug count Figure 5. Count of hunting billbug and bluegrass billbug collected from a total of 40 pitfall traps installed on the seventh fairway of Columbia Country Club, Columbia, Mo., in 2015 and 2016. Billbug count, Columbia Country Club

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