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J Econ Entomol

Title:		Monitoring of the European corn borer (Lepidoptera: Crambidae) in central Maine
Author(s):		Ngollo ED; Groden E; Dill JF; Handley DT;
Address:		"Department of Biological Sciences, University of Maine, Orono 04469, USA"
Journal Title:		J Econ Entomol
Year:		2000
Volume:		93
Issue:		2
Page Number:		256 - 263
DOI:		10.1603/0022-0493-93.2.256
ISSN/ISBN:		0022-0493 (Print) 0022-0493 (Linking)
Abstract:		"Pheromone trap types and within-field trap locations were compared for their effectiveness in monitoring the flight activity of European corn borer, Ostrinia nubilalis (Hubner), and its relationship to egg mass density and crop damage in sweet corn in central Maine from 1995 to 1996. The use of both 3:97 Z:E-11-tetradecenyl acetate and 97:3 Z:E-11 tetradecenyl acetate pheromone blends confirmed that European corn borer in central Maine is attracted to both pheromone lure types. European corn borer moths were captured predominantly with the E-lure type than with the Z-lure type in both years. The Scentry Heliothis trap was more effective than the Multi-Pher trap, but similar to the pheromone-baited water pan trap for monitoring European corn borer flights. With the Scentry Heliothis trap, the grassy border and 1st corn rows were the best locations for moth capture during the early flight period, but during the peak flight period, traps located in the middle of the field caught the most moths. Corn damage was recorded before moth captures in some sites and before egg mass counts in others, indicating poor efficacy of traps for early flights. Significant and positive correlations were found between moth captures in the midfield location and egg mass counts, and corn leaf damage, and between egg mass counts and corn leaf damage. However, low coefficients of variation suggest that pheromone trap captures were not good predictors of European corn borer leaf damage in sweet corn"
Keywords:		Animals Demography *Insect Control/methods Maine *Moths;
Notes:		"MedlineNgollo, E D Groden, E Dill, J F Handley, D T eng Research Support, Non-U.S. Gov't England 2000/05/29 J Econ Entomol. 2000 Apr; 93(2):256-63. doi: 10.1603/0022-0493-93.2.256"