Blog Archives

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,

Posted in General Pests

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

Red Velvet Mites

The large size and vivid color of red velvet mites (Figure 1) make them hard to overlook as they crawl across sidewalks, driveways, or soil. The red color of these mites is sometimes mistaken for blood and people fear that

Posted in General Pests

Rainfall Sets Stage For Several Nuisance Pests

Springtails Springtails are tiny wingless insects that can flip into the air, giving them the appearance of tiny fleas. They would go completely unnoticed except that hundreds of them can accumulate on surfaces like a small, dusty gray carpet that

Posted in General Pests, Lawn & Turf

When ‘Insects Don’t Read the Book’

In early August, I was collecting green stink bugs for a project that one of my graduate students is working on, and I came across an unusual specimen. Generally, when looking for green stink bugs, you expect them to be

Posted in General Pests

Two-Spotted Spider Mites Can Be Formidable Pests

The two-spotted spider mite (TSSM) is a common and destructive pest with an extremely wide host range that includes many trees, shrubs, flowers, weeds, fruits, and vegetable crops. Problems increase during hot, dry weather but early signs and symptoms are

Posted in General Pests, Vegetables