Blog Archives

Brown Marmorated Stink Bug Expected to Invade Man-Made Structures in Western Kentucky this Fall

Status of the brown marmorated stink bug The brown marmorated stink bug (BMSB), Halymorpha halys, was detected in soybean fields in several counties of western Kentucky between August and September 2020. This insect is widely distributed and has been established

Posted in General Pests

Predatory Stink Bug Detected in Western Kentucky

A nice good-looking stink bug was observed in western Kentucky on several occasions during mid-July and mid-August this year. Euthyrhynchus floridanus (Pentatomidae) (Figure 1), known as the Florida predatory stink bug, has been previously detected in Kentucky and several northern

Posted in General Pests

Hammerhead Worms

One of the more unusual species to find in gardens is a terrestrial flatworm called the hammerhead worm. This week, I have had two reports of them; one from the mountains of eastern Kentucky (Letcher County), and the other from

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Invasion of the Leafhoppers

Leafhoppers in Kentucky 2020 Kentucky is not known for its leafhoppers but ask anyone who has been outside this season and they will tell you Kentucky is full of them. Leafhoppers are found all across America but generally do not

Posted in General Pests

Periodical Cicada: Guardians of Time

One of the more spectacular entomological events is the emergence of millions of periodical cicadas. What makes this event so unusual is that it occurs so infrequently, each brood emerging every 13 or 17 years. Depending on where one lives,

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Brown Marmorated Stink Bug Management Survey for Commercial Producers

A nationwide survey is currently underway to gather information from farmers and growers on the economic impact of the brown marmorated stink bug (BMSB) (Figure 1) on agriculture. The objective of the survey is to better provide commercial producers with

Posted in General Pests

Five Fall Caterpillars on the Move

As summer winds down, it’s surprising to find that insects aren’t always hiding like we might assume. In fact, some insects seem to start interacting with us even more as the calendar switches over to September. One group that we

Posted in General Pests

Tj: The Samurai Wasp

Upon its accidental arrival in the U.S., as with most other invasive species, brown marmorated stink bug (BMSB) numbers expanded quickly in the absence of natural enemies that it left behind in its native Asia. For a number of years,

Posted in General Pests

Spider Mites on Various Crops

With the hot weather, there has been a large increase in numbers of reports of spider mite activity, particularly in greenhouses and high tunnels where foliage stays much drier. Two-spotted spider mite is a common pest of many vegetable and

Posted in General Pests

Brown Marmorated Stink Bug

Based on grower accounts during our winter Extension meetings in various counties, brown marmorated stink bug (BMSB) problems have increased in many areas within the state. The mild winter also favored higher survival of BMSB, as well. So, home gardeners

Posted in Fruit, General Pests, Vegetables

Stink Bugs are Common on Many Crops

Stink bugs are becoming more numerous as we move into the mid-summer months; they are feeding on a wide range of agronomic and horticultural crops. Producers are encouraged to be on the lookout for stink bugs and their close relative,

Posted in General Pests


Millipedes play an important role in breaking down decaying plant matter. These multi-legged arthropods accumulate where there is some moisture coupled with mulch, fallen leaves, or a significant thatch layer. Large numbers of millipedes can appear suddenly to cover sidewalks,

Posted in General Pests

What The Rains Bring…

Several arthropods reliably appear in force following a series of spring rains. For the most part, they are short-lived, so control measures are rarely needed. Gnats Many species of non-biting gnats develop in moist decaying organic matter, temporary mud pools,

Posted in General Pests, Lawn & Turf

Insects Off and Running Early for 2016

Since arthropods are cold-blooded animals, temperature plays a major role in their growth and development. There is a threshold temperature for each species; 50oF is that value for many of our common insects. No development occurs when daily temperatures remain

Posted in General Pests

Japanese Beetle Management

Japanese beetles (Figure 1) rarely cause the rampant destruction they inflicted 15 to 20 years ago; their populations now fluctuate around more tolerable levels. However, there are often sufficient numbers to damage plants that are particularly attractive to them, so

Posted in General Pests, Landscape Trees & Shrubs