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Two red poinsettia plants sitting on a metal surface, seen from above.

Clinic Holiday Closings (Late 2025 - Early 2026)

The PDIC will be closed during the following dates for the late 2025 - early 2026 holidays: Thanksgiving break: The lab will be closed Thanksgiving (Thursday, November 27th) and the day after…

Four tiles showing different vegetables with disease or disorder symptoms and signs. Top left tomato leaves with chlorosis; Top right squash leaves with powdery mildew; Bottom left broccoli with necrotic leaves; Bottom right pepper leaf with spots.

Important Information Regarding Sample Processing This Summer

Please note: this message affects all PDIC users, except samples of turf/grasses for the Turf Diagnostic LabSummer is always a busy time for the clinic, and unfortunately this one even more so as we…

a large brown aphid among Christmas tree needles

2024-25 Clinic Holiday Schedule

As the holiday season approaches, the PDIC will be following scheduled closures based on the university holiday calendar.For Thanksgiving, we will be open through Wednesday, November 17th. The clinic…

A wasp sitting on lichen-covered bark. It is mostly dark with some yellow markings

Yellow-Legged Hornet Found in Georgia

As if we needed another large wasp to strike fear in residents of the US, the state of Georgia is reporting the detection of a single specimen of the yellow-legged hornet (Vespa velutina) near the…

an adult clover mite, Bryobia sp.

Watch Out for These (Arthropod) Spring Home Invaders

Note: This post was originally published March 2021, and updated March 2023Insects and other arthropods are feeling the warm weather and waking up for spring. Bees, social wasps, bugs, flies, ants,…

Bar graph showing the counties with the most number of samples submitted for 2022. Wake = 346, Buncombe = 123, Orange = 114, Henderson = 92, Durham = 55, Guilford = 54, Mecklenburg = 48, Granville = 47, Forsyth = 46, Person = 43, Rockingham = 43, Sampson

2022 Plant Disease and Insect Clinic Year in Review

OK I know it's March, so I am going to blame a warm early season this year for our delay getting this done. Better late than never, I guess!Regardless, in total the Plant Disease and Insect Clinic…

Large tree canopy extending over a brick wall beneath an overcast sky

PDIC Closing Early 30-Sep-2022

With the effects of Hurricane Ian expected to be strongest from noon to 8 p.m. today, the Plant Disease and Insect Clinic will be closing at 12:30 p.m., and reopening on Monday at 8:00 a.m. We…

A nursery web spider (Pisaurina mira) resting on a tree branch in the sun

Late Spring Spiders Common but Not Dangerous

We've been getting a lot of inquiries about spiders hanging around and coming inside homes lately. Some have been mistaken for brown recluses (Loxosceles reclusa) despite this species being extremely…

A bee in the genus Andrena poking its head out of a tunnel it made in the lawn of an urban yard.

It's the Season for Busy Ground-Nesting Bees!

As the weather warms up, insects and other animals are becoming more active. I wrote the other day about social wasps waking up, but here I'd like to talk about another close relative you may see in…

A large, red and yellow European hornet waits on the side of a tree.

Wasp Queens Waking Up After Winter Slumber

It's feeling a lot like spring out there! As the warm weather bring feelings of joy from longer days and more time outside, it also means that insects and other arthropods are waking up and becoming…