Full TGIF Record # 110502
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Web URL(s):http://www.turf.uconn.edu/pdf/research/reports/2005.pdf#page=53
    Last checked: 04/16/2007
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Ramoutar, D.; LeGrand, A. I.
Author Affiliation:Department of Plant Science, University of Connecticut, Storrs, Connecticut
Title:Status of the introduced parasitoid Tiphia vernalis in Connecticut
Other records with the "Entomology" Section
Source:2005 Turfgrass Research Report [Connecticut]. 2005, p. 39.
# of Pages:1
Publishing Information:Storrs, CT: Department of Plant Science, University of Connecticut
Keywords:TIC Keywords: Introduced species; Parasites; Tiphia vernalis; Popillia japonica; Insect control; Distribution; Timing; Density
Abstract/Contents:"Between 1920 and 1950, USDA entomologists imported and released several species of parasitoid wasps to control and confine the expansion of Japanese beetles (Popilla japonica Newman) within the Northeastern United States. Of these wasps, the Spring Tiphia (Tiphia vernalis Rohower) was most successful at establishing a widespread distribution, however in Connecticut the establishment of wasp colonies was low (3%) (Fig. 1). Since the late 1940's the distribution of T. vernalis in Connecticut has not been monitored and some literature has suggested that their occurrence in the state is rare. This study was undertaken to determine the distribution and timing of T. vernalis in Connecticut. Since golf courses tend to support high densities of Japanese beetle larvae, which are parasitized by T. vernalis, our efforts were focused on these sites. Wasps were collected from low-lying leaves lining fairways on calm sunny mornings during May and early June. T. vernalis adults were collected from every county in Connecticut suggesting that they not only established themselves, but proliferated extensively. Their mean peak population density was seen during the fourth week of May (Table 1). While adult wasps were abundant, parasitized beetle larvae were not found and more extensive larval sampling may be necessary."
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Geographic Terms:Connecticut
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ramoutar, D., and A. I. LeGrand. 2005. Status of the introduced parasitoid Tiphia vernalis in Connecticut. 2005 Turfgrass Res. Rep. p. 39.
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    Last checked: 04/16/2007
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b5428823~S39a
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