Blister Beetles Wreaking Havoc on Tomatoes

I received two e-mails over the weekend from backyard gardeners in southwest Ohio with pictures showing Black Blister Beetles swarming over tomato plants. Black blister beetles as well as Margined Blister Beetles are the two most common species found in Ohio. Both beetles are capable of showing-up in large numbers to feed on the leaves and flowers of a wide range of perennials and annuals including vegetable plants.
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Authors
Joe Boggs

Marestail (Horseweed)

Marestail, which is also known as "Canadian horseweed," or just "horseweed," has moved from field crops to become a plague in landscapes and nurseries. The main reason is that certain biotypes are resistant to glyphosate (e.g. Roundup) as well as a number of other agricultural herbicides. In fact, this native North America plant has become such a problem in Ohio it has been added to the state's noxious weeds list.
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Authors
Joe Boggs

Monstrous Porcelain-Berry Barrage

I posted a BYGL Alert last October on Porcelain-Berry when the problem berries were fully ripened and available for widespread distribution by birds and other animals. I'm revisiting this ever-expanding non-native vine because its invasive arc in southwest Ohio is being compared by some horticultural professionals as possibly rivaling kudzu.
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Authors
Joe Boggs

Embrace the Milkweed Menagerie

This is the time of the year when the menagerie of insects that feed on members of the dogbane family (Apocynaceae), including common milkweed, seem to arrive en masse … to the consternation of monarch lovers! Some aim to reserve milkweeds for monarchs. What about other native insects that feed on milkweeds; let them eat cake?
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Authors
Joe Boggs

Basswood Leafminer Damage Becoming Evident

BYGL readers should be familiar with the Basswood Leafminer. We've reported on the skeletonizing and leafmining activities of this native beetle on its namesake host, American basswood for years. High populations cause entire basswood trees to become reddish-brown. Travelers on the northern portion of I-75 in Ohio will soon be treated to "flaming" basswoods gracing the woodlots along the route.
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Authors
Joe Boggs

Annual of the Week - Dahlia

Dahlias can be a nice annual addition into Ohio gardens. Although a perennial in its native range in Mexico and Central America, there are consider annuals in Ohio. With a little extra work the tubers can be lift in the fall, stored over the winter, and planted the following spring. 
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Authors
Amy Stone