Full TGIF Record # 19262
Item 1 of 1
Publication Type:
Author(s):Patterson, Cary G.; Potter, Daniel A.; Redmond, Carl T.
Title:Predation of Japanese beetle eggs
Source:Kentucky Turfgrass Research. 1990, p. 35-36.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Series:Progress Report 328
Keywords:TIC Keywords: Predators of insect pests; Popillia japonica; Insect control; Poa pratensis
Abstract/Contents:1989 preliminary test to determine if predators prey upon Japanese beetle (JB) eggs and to identify predator species. In the first study, 6 covered and 6 uncovered 5cm diameter plastic petri dishes, each containing 15 JB eggs < 48 hours old, were placed 1 inch deep in a Kentucky bluegrass turf on 7/26/89. Eggs were counted 5 days later. The covered dishes had an average of 10.5 eggs alive (70% survival) while no eggs remained in the open dishes. Predation was the most likely cause of the missing eggs, since there was no hatch in the closed dishes, and no loss of eggs in several dishes implanted and then immediately dug up to check for handling loss. In a record study using covered and uncovered dishes, three sets of 10 dishes (5 dishes per treatment) were buried, and then dug up and examined after 24, 72, and 96 hrs. Average percent eggs missing, provided in a table, was 0, 6, and 2 for covered and was 24, 68, and 54 for uncovered dishes at 24, 72, and 96 hours, respectively. Missing eggs were in uncovered dishes were presumed preyed upon. Lab tests identified 4 common species of ground beetles as consuming the most eggs among ground beetles, rove beetles, spiders, and ants. Tests will continue in 1990.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Patterson, C. G., D. A. Potter, and C. T. Redmond. 1990. Predation of Japanese beetle eggs. KY. Turfgrass Res. p. 35-36.
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