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Beacon July 2023

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<strong>July</strong> <strong>2023</strong> THE BEACON Page 11A<br />

By<br />

Jeff<br />

Hermesch<br />

Purdue<br />

Extension<br />

jhermesch@purdue.edu<br />

Be On The Lookout For<br />

Bagworms!<br />

Be On The Lookout For<br />

Bagworms!<br />

Now is the time to be looking<br />

for bagworms as they<br />

have had a few weeks to feed<br />

and are now large enough to<br />

be seen hiding in plain sight.<br />

These insects hide in plain<br />

sight by using foliage from<br />

the host plant to cover themselves<br />

to hide from birds.<br />

Bagworms are primarily a<br />

pest of conifers like junipers,<br />

spruce, pines, and arborvitae.<br />

However, they feed on a wide<br />

range of host plants including<br />

many broadleaf plants,<br />

such as; elm, flowering plum,<br />

hackberry, honey locust, linden,<br />

maple, oak, rose, sycamore,<br />

elm, and wild cherry.<br />

These caterpillars do their<br />

damage by feeding on the<br />

host plants from late spring<br />

through mid-August before<br />

they become adults.<br />

Early summer is an ideal<br />

time to treat young bagworms<br />

before they get out<br />

of control. If you find only a<br />

few bagworms you can simply<br />

pull them off and drown<br />

them in a soapy bucket of<br />

water. Unfortunately, chances<br />

are there will be too many<br />

caterpillars to pick off by<br />

hand, so chemical control<br />

with insecticides is the best<br />

option. The key to managing<br />

bagworms with these<br />

insecticides at this time of<br />

year is to apply them early<br />

and frequently enough to kill<br />

the highly susceptible young<br />

caterpillars feeding on plant<br />

foliage. Applying insecticides<br />

weekly for four to five weeks<br />

when bagworms are first<br />

noticed will reduce problems<br />

with bagworms later in the<br />

year.<br />

There are many insecticides<br />

labeled for use against<br />

bagworms, however, the<br />

insecticides that can be used<br />

to manage them early in the<br />

season are Bacillus thuringiensis<br />

subsp. Kurstaki (also<br />

known as BTK, and found<br />

in Dipel and Thuricide) and<br />

spinosad. The bacterium,<br />

Bacillus thuringiensis subsp.<br />

Kurstaki is only active on<br />

young bagworm caterpillars<br />

and must be consumed or<br />

ingested to kill bagworm caterpillars.<br />

Therefore, thorough<br />

coverage of all plant parts<br />

and frequent applications<br />

are required. Spinosad is the<br />

active ingredient in several<br />

homeowner products, including<br />

Captain Jack’s DeadBug<br />

Brew and Monterey Garden<br />

Insect Spray. The insecticide<br />

works through contact and<br />

ingestion; however, the insecticide<br />

is most effective when<br />

ingested by young bagworm<br />

caterpillars. As always with<br />

pesticides, read and follow<br />

the labels to ensure safe and<br />

effective application.<br />

If left unchecked, bagworms<br />

can cause substantial<br />

plant damage, thus ruining<br />

the aesthetic quality of<br />

plants. Furthermore, bagworms<br />

can kill plants (especially<br />

newly transplanted<br />

small evergreens), because<br />

evergreens usually do not<br />

produce another flush of<br />

growth after being fed upon<br />

or defoliated by bagworms.<br />

Young bagworms cover<br />

themselves with foliage and<br />

are difficult to detect. (Photo<br />

by Cliff Sadof, Purdue University.)<br />

Bagworm caterpillar feeding.<br />

(Photo by Cliff Sadof, Purdue<br />

University.)<br />

By the time August comes,<br />

when bagworms are most<br />

likely to be noticed, these<br />

caterpillars have already<br />

formed their bag and it is<br />

too late for chemical control.<br />

Hand-picking is an option.<br />

If you have questions<br />

about your landscape, please<br />

contact me for answers. I<br />

can be reached by email at<br />

jhermesch@purdue.edu or by<br />

phone at 812-926-1189. The<br />

Dearborn County Extension<br />

Office is located at 229 Main<br />

Street, Aurora, IN 47001.<br />

Look for my next article in<br />

the upcoming issue of The<br />

<strong>Beacon</strong>.<br />

8 4<br />

6 8 2 1 4<br />

6 8 5 7<br />

7 3 2 9<br />

4 8 9 6 1<br />

9 6 7 2 8<br />

8 1<br />

3 1 7 6 8<br />

2 1 9 3<br />

Sudoku<br />

Sudoku is a logical puzzle game that may seem<br />

difficult at first glance, but actually it is not as<br />

hard as it looks! Fill a number in to every cell in<br />

the grid, using the numbers 1 to 9. You can only<br />

use each number once in each row, each column,<br />

and in each of the 3×3 boxes. The solution can<br />

be found on our website www.goBEACONnews.<br />

com/print_edition. Click on the link for Sudoku<br />

and view the solution for this month and last.<br />

Good luck and have fun!<br />

<strong>2023</strong> LAWRENCEBURG TASTES OF SUMMER<br />

Lawrenceburg Summer Event Series presented by<br />

KRISTINE KABBES<br />

& THE SKALLYWAGS<br />

6:00 - 7:30 pm<br />

THE RENEGADES 8:00 - 10:00 pm<br />

I N DIA N A<br />

JUNE 17<br />

TASTES OF SUMMER FOOD TRUCK RALLY<br />

Enjoy 11:00 am - 10:00 pm local award-winning restaurants and food trucks<br />

serving destination edibles in Downtown Lawrenceburg include these participating vendors:<br />

LAUREN’S BURG HILL 5K RUN/WALK<br />

In honor of Lauren Hill, this event seeks to raise funds to provide scholarships<br />

and assistance to families afflicted with DIPG or pediatric brain cancer.<br />

5:45 - 7 am Race Day Packet Pickup – City Hall • 6:00 am Race Day Registration<br />

7:22 am Lauren’s Burg Hill 5K Run/Walk<br />

5K starts on Walnut Street & finishes on the 22” yard line at LHS Football Field.<br />

Course will close 90 minutes after start at approximately 9:00 am.<br />

PLUS ...<br />

• The Twisted Greek<br />

• Street Kitchen<br />

• Roll On In Food Truck & Catering<br />

5:45 pm Food Truck Competition Awards – Celebrity chef Derek McGhee, Executive Chef at<br />

Hollywood Casino, Scott Holubetz, Cincinnati State Culinary Instructor and Michael Sassano of<br />

Thunderdome Group will judge food categories to include Best Entrée, Best Appetizer, Best<br />

Dessert & Peoples Choice Award.<br />

Presented by<br />

Queen City Food Truck Association<br />

KIDS ACTIVITIES, CARNIVAL RIDES & BEER GARDEN<br />

11:00 am - 10:00 pm - Carnival Rides<br />

11:00 am - 3:00 pm - Kids Activities, Cincy Circus, Petting Zoo,<br />

Stingray Meet & Greet and Hocus Focus Picture Booth<br />

Noon - 10:00 pm - Beer Garden<br />

FARMER’S MARKET<br />

9:00 am - 1:00 pm<br />

Delicious selection of local fresh vegetables, honey, jams, and more!<br />

www.THINKLAWRENCEBURG.com<br />

Get it All at www.goBEACONnews.com

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