The document summarizes information about the Japanese beetle pest in Utah. It describes how the beetle was first detected in Utah in 2006 and eradication efforts reduced the population by 95% by 2010. It provides details on the beetle's life cycle and the damage caused by its adult and grub stages. Both feed on hundreds of plant species. The summary also outlines integrated pest management strategies homeowners can use to control Japanese beetles, including cultural practices, monitoring, and reduced risk pesticides if needed.
Short Research at Effect of mating duration on egg laying capacity of Papaya mealybug, Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae) on Brinjal.
Short Research at Effect of mating duration on egg laying capacity of Papaya mealybug, Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae) on Brinjal.
Austin Chemical Engineering is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Chemical Engineering. We are endowed with a faculty who are dedicated Editorial members and distinguished researchers that carry out cutting-edge research in all modern areas of chemical engineering, as well as in inter-disciplinary areas like nanosciences and technology, biosciences, soft matter physics, novel materials, high-performance computing and large multicentre studies of new therapies. It also provides state-of-the-art reviews on clinical and experimental therapies in chemical Engineering.
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Presentation during the Bureau of Agricultural Research (BAR) Seminar Series on November 29, 2018 at RDMIC Bldg., cor. Visayas Ave., Elliptical Rd., Diliman, Quezon City
ABSTRACT- The present review deals on major Coleopteran beetles of agricultural crop pests include 45 genera and
55 species from 15 families. Most of beetles are pest of cereals and millets (3), oil seed crops (2), fibre crops (4),
vegetables (11), temperate fruits (7), sub-tropical and tropical fruits (9), ornamental plants (2), plantation crop (8),
spices (4) and stored grains (5). Among families; Curculionidae was dominated by 12 (21.8 %) species followed by
Chrysomelidae 10(18.18 %), Cerambycidae 9(16.3 %), Scarabaeridae 6(10.9 %), Coccinellidae 3(5.4 %), Apionidae,
Bostrychidae, Brachidae, Buprestidae and Scolytidae each with two species (3.6 %). Whereas families like
Dermestidae, Lamiidae, Meloidae, Melonithidae and Tenebrionidae contribute each with single species (1.8 %).
Key-words- Coleopteran beetle, Cereals, Spices, Stored grains, temperate fruits.
Austin Chemical Engineering is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Chemical Engineering. We are endowed with a faculty who are dedicated Editorial members and distinguished researchers that carry out cutting-edge research in all modern areas of chemical engineering, as well as in inter-disciplinary areas like nanosciences and technology, biosciences, soft matter physics, novel materials, high-performance computing and large multicentre studies of new therapies. It also provides state-of-the-art reviews on clinical and experimental therapies in chemical Engineering.
The journey through our website will provide you the information on our research efforts in science and engineering, the people, the place, the future plans and opportunities.
Austin Chemical Engineering is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Chemical Engineering.
Presentation during the Bureau of Agricultural Research (BAR) Seminar Series on November 29, 2018 at RDMIC Bldg., cor. Visayas Ave., Elliptical Rd., Diliman, Quezon City
ABSTRACT- The present review deals on major Coleopteran beetles of agricultural crop pests include 45 genera and
55 species from 15 families. Most of beetles are pest of cereals and millets (3), oil seed crops (2), fibre crops (4),
vegetables (11), temperate fruits (7), sub-tropical and tropical fruits (9), ornamental plants (2), plantation crop (8),
spices (4) and stored grains (5). Among families; Curculionidae was dominated by 12 (21.8 %) species followed by
Chrysomelidae 10(18.18 %), Cerambycidae 9(16.3 %), Scarabaeridae 6(10.9 %), Coccinellidae 3(5.4 %), Apionidae,
Bostrychidae, Brachidae, Buprestidae and Scolytidae each with two species (3.6 %). Whereas families like
Dermestidae, Lamiidae, Meloidae, Melonithidae and Tenebrionidae contribute each with single species (1.8 %).
Key-words- Coleopteran beetle, Cereals, Spices, Stored grains, temperate fruits.
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1. Published by Utah State University Extension and Utah Plant Pest Diagnostic Laboratory September 2010ENT-100-06PR
The Japanese beetle, Popillia japonica Newman, can
be a highly destructive pest to ornamentals, trees,
shrubs, turfgrass, and vegetables. First discovered in
the eastern United States in 1916, the Japanese beetle
has threatened agriculture and horticulture by slowly
moving south and west. In 2006, a small population of
adult Japanese beetles was detected in Orem, Utah. An
aggressive eradication effort resulted in a 95% reduction
of this population by 2010. The invasive pest is especially
harmful because the adults and immatures (i.e., grubs)
feed on plants and can cause significant damage when
in high numbers. Together, the adults and grubs feed
on several hundred plant species; some of the most
susceptible plants are grown in Utah. Adult beetles
feed on the upper leaf surface, removing leaf tissue and
releasing a strong aggregation pheromone that attracts
additional beetles to a potential food source (Fig. 1).
Feeding damage by Japanese beetle adults is
commonly seen as holes or skeletonized leaves (Fig. 1).
Adults are highly attracted to rose, apple, stonefruits
(peach, plum, cherry), basswood/linden, willow, elm,
grape, birch, Japanese and Norway maples, pin oak,
horse chestnut, and sycamore.
Without actively looking for grubs under the soil surface,
grubs often go unnoticed until September, when large
patches of turf are destroyed. Evidence of grub damage
begins as localized discolored patches, but patches
can enlarge and coalesce in just a few weeks. Heavily
damaged turfgrass can feel spongy and be easily pulled
away from the soil surface. Drought conditions can make
turfgrass injury worse.
Adults are oval, metallic green with bronze-colored
wings, and are about ½″ long (Fig. 2). Males are slightly
smaller than females. Adults have six white tufts of hair
along each side of the body (Fig. 2). Grubs are creamy
white, C-shaped, and 1″ long when fully grown (Fig. 2).
Adults are found clustered together on plants and grubs
can be clumped under the soil of turfgrass.
Japanese Beetle
(Popillia japonica)
Erin Hodgson, Entomologist • Diane Alston, Entomologist • Cory A. Vorel, CAPS Coordinator
Do You Know?
• Japanese beetle was initially detected in Orem,
Utah, in July 2006. Eradication efforts have been
highly successful.
• Adults have a broad host range (over 300 plant
species) and can cause significant damage.
• Grubs prefer to feed on turfgrass roots and
spend about 10 months of the year under the soil
surface.
• Homeowners can successfully manage Japanese
beetle with proactive cultural practices, biological
control, and reduced risk insecticides.
Damage Symptoms
Fig. 1. Adult Japanese beetles feeding2
.
adult2
larva1
Fig. 2. Japanese beetle life stages.
DESCRIPTION
2. Page 2UPPDL, 5305 Old Main Hill, Logan UT 84322, utahpests.usu.edu
Japanese beetles have one generation per year and
grubs spend about 10 months under the soil surface
(Fig. 3). Adults emerge from turfgrass in late June and
immediately begin to feed on low-lying plants such as
roses and shrubs. Adults eventually move up on tree
foliage to feed and mate. Mated females move back to
turfgrass to lay small egg masses in soil cavities. Females
prefer to lay eggs in healthy, vigorous turfgrass and will
avoid stressed lawns. Most eggs (Fig. 2) are laid between
mid-July and early September. The eggs hatch into
small grubs that feed on roots underground until late
September when the temperature cools. The almost fully-
grown grubs burrow 4 - 8″ down in the soil and remain
inactive all winter. In the early spring, grubs become
active again and feed until turning into resting pupae
(Fig. 3). The pupae hatch into adults and emerge from
the soil. See Figure 3 for a complete life cycle diagram.
Begin scouting after adult emergence to look for eggs or
small instars to decide if treatment is warranted. Take at
least four evenly spaced turfgrass samples for the area.
Cut a 6″ x 6″ square on three sides with a hand trowel
to examine the upper 2” of the root zone (Fig. 4). If the
turf is dying and grubs are absent, examine the soil for
other causes of injury, such as disease, excessive thatch,
moisture stress, heat damage or other insect feeding.
After looking through the soil sample, replace the soil
and return the turf. During the summer, look for adults on
ornamental plants, trees and shrubs. Scout susceptible
plants at least once per week, especially if adults were
active the previous year. Adults are especially attracted
to ripening fruits and rose buds.
Once Japanese beetle becomes established,
eradication is very difficult and complete control is
unlikely. Parasitic wasps, flies, and birds can be very
effective biological control agents. Using broad
spectrum insecticides for low densities of Japanese
beetle is unnecessary and will reduce biological control.
Using natural enemies and other integrated pest
management (IPM) strategies can reduce adults and
grubs to tolerable levels in most situations. Here is a list of
cultural control methods homeowners can use to reduce
the impact of Japanese beetle damage:
• Keep plants healthy by following a recommended
irrigation and fertilization schedule. Encourage
natural enemies by planting a diversity of flowering
plants that produce pollen and nectar.
LIFE CYCLE
Fig. 4. Core soil sample and turfgrass root zone5
.
Fig. 3. Illustration of Japanese beetle life cycle3
.
SAMPLING PROTOCOL
CONTROL OPTIONS
3. • Include a mix of plants that adult beetles avoid, such
as lilac, forsythia, dogwood, magnolia, and American
holly, to discourage large numbers of adults on
ornamentals4
.
• Start monitoring for grubs in the early spring by taking
a few soil samples, and scout for adults in the summer
by inspecting susceptible plants, such as rose, apple,
stonefruits, basswood/linden, crabapple, asparagus,
and birch.
• If adult feeding damage becomes noticeable, simply
remove the beetles during the warmest part of day
(when they are most active) by hand and drop into a
jar of soapy water.
In certain situations where persistent Japanese beetle
damage is documented over multiple years, a more
aggressive control program can be initiated. Set up a
sex pheromone/floral lure trap (Fig. 5) to help estimate
initial and peak adult emergence. The trap should
catch about 75% of the beetles in that area; but be sure
to place the trap on the edge of the property or away
from susceptible plants (see product ordering information
below).
The treatment threshold for Japanese beetle grubs
in turfgrass is 8-10 per ft2
or 2-3 per 6″ x 6″ square with
obvious visible damage. The threshold could be
increased to up to 15 per ft2
in a healthy lawn. Chemical
control should be considered only when cultural methods
are not effective. In mid to late June, use a long-lasting
“reduced risk” insecticide, such as imidacloprid (Merit®
)
or chlorantraniliprole (Acelepryn®
), to target eggs before
they hatch intro grubs. Other reduced risk pesticides are
available (Concern®
, Pyganic®
, and Surround®
) but do
not have a long residual. Highly infested turf may need
an additional treatment of trichlorfon (Dylox®
) in July to kill
grubs. Here are some guidelines for effective chemical
control in turfgrass:
• If the thatch layer exceeds ½″, use a light aerification
to enhance soil penetration.
• Apply ½″ of water 48 hours before chemical
application to bring feeding grubs closer to the soil
surface.
• Immediately apply ½ - ¾″ of water after application
to push the chemical down to the root zone.
• Repeat irrigation every 4 or 5 days to continue
chemical movement in the soil.
Adults are above ground for only a short time (Fig. 3)
and are very mobile. Applying foliar insecticides to
trees, shrubs and other ornamentals is not recomended
because the chemicals are expensive and generally not
effective. In extreme situations, traditional insecticides,
including carbaryl (Sevin®
) and malathion can be used.
1
Image courtesy of David Cappaert, Michigan State University (www.insectimages.
org).
2
Images courtesy of Marlin Rice, Iowa State University Department of Entomology
(http://www.ent.iastate.edu/).
3
Images courtesy of USDA-APHIS (http://www.pueblo.gsa.gov/cic_text/housing/
japanese-beetle/jbeetle.html).
4
For a more detailed list of susceptible and resistent plant material to Japanese
beetle, go to http://msucares.com/pubs/publications/p2333.pdf.
5
Images courtesy of Erin Hodgson, Utah State University Department of Biology
(www.utahpests.usu.edu/photogallery).
Page 3
Utah State University is committed to providing an environment free from harassment and other forms of illegal discrimination based on race, color, religion, sex, national origin, age (40 and older), dis-
ability, and veteran’s status. USU’s policy also prohibits discrimination on the basis of sexual orientation in employment and academic related practices and decisions. Utah State University employees
and students cannot, because of race, color, religion, sex, national origin, age, disability, or veteran’s status, refuse to hire; discharge; promote; demote; terminate; discriminate in compensation; or
discriminate regarding terms, privileges, or conditions of employment, against any person otherwise qualified. Employees and students also cannot discriminate in the classroom, residence halls, or in
on/off campus, USU-sponsored events and activities. This publication is issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Dept. of Ag.,
Noelle E. Cockett, Vice President for Extension and Agriculture, Utah State University.
Page 3UPPDL, 5305 Old Main Hill, Logan UT 84322, utahpests.usu.edu T: 435.797.2435 F: 435.797.8197
Fact Sheet Series: Insects - Turf
Precautionary Statement: Utah State University Extension and its employees are not responsible for the use, misuse, or damage caused by application or misapplication of products or
information mentioned in this document. All pesticides are labeled with ingredients, instructions, and risks, and not all are registered for edible crops. “Registered use” pesticides may
only be applied by a licensed applicator. The pesticide applicator is legally responsible for proper use. USU makes no endorsement of the products listed herein.
Fig. 5. Japanese beetle trap5
.
Japanese beetle “Xpando Trap” order information:
Contech Enterprises Inc. Phone: 800-767-8658
Unit 115-19 Dallas Road Fax: 800-876-1666
Victoria, BC V8V 5A6 http://www.contech-inc.com
Canada