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Entomology 4015:
Ornamentals and Turf Entomology
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Web
Quiz 6:
Japanese Beetle |
| Quiz
6 Instructions |
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From your readings on the websites below
and other websites, please answer the following questions.
Answer the questions in an email message and put your name and quiz #
in the email message subject. Answers should be emailed to pests@umn.edu.
All enclosures must be labeled "last name, quiz #.doc or "last name,
quiz #.rtf." Students may not copy each other's answers, although they
are encouraged to discuss the assignment with their classmates. Please
do not copy and paste text from the websites; instead, paraphrase or
summarize your answers. Answers that appear too similar, or appear to
be copied, will be given a grade of 0 that cannot be dropped. |
| Quiz
6 Assignment |
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Develop an integrated pest management program
for Japanese beetle.
Include:
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How and what time
to scout for grubs. (1 pt)
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Thresholds for
number of grubs per square foot. (1 pt)
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How and what time
to scout for adults. (1 pt)
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Pesticides to
control grubs; when to apply. (1 pt)
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Pesticides to
control adults; when to apply. (1 pt)
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Discuss biocontrol
(BC) of Japanese beetle with, Bacillus popilliae, Tiphia,
Istocheta, Ovavesicula, and
Gregarina. Discuss
the benefits and limitations of each BC agent. (4 pts, or about
0.8 pts per discussion of each biocontrol agent)
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Can BC be used
on golf course greens and roughs? Discuss in 50 words. (1
pt)
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6 Online Resources |
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Biological control of turf insects (Greenshare: University of
Rhode Island Landscape Horticulture
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Japanese Beetle Management in Minnesota (Krischik and Maser:
University of Minnesota Extension Bulletin FO-07664)
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Sustainable Suppression of Japanese Beetle Populations: Biocontrol
Using the Spring Tiphia Wasp (Ohio State University)
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Midwest Biocontrol News: A Tachinid Fly Parasite of Japanese
Beetle: Istocheta (Mahr: University of Wisconsin)
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Biological Control of Japanese Beetle in Michigan: Ovavesicula
and Gregarina (Smitley, Michigan State University)
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