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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…

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 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…

Bar graph showing the number of samples submitted by counties that made up 2% or more of the samples in 2021. The counties in descending order are Wake, Mecklenburg, Orange, Buncombe, Henderson, Durham, Guilford, New Hanover, Johnston, Randolph, Moore, Sa

2021 Plant Disease and Insect Clinic Year in Review

Last year (2021) was a busy one for us at the Plant Disease and Insect Clinic (PDIC). It was also eventful: all lab members returned to full-time work in the clinic around July (following approved…

glaze of ice and small icicles hanging from the top edge of a yard lamp

Adverse Weather Closure, January 21, 2022

NC State University has declared a Condition 2 adverse weather status through noon on Sunday, January 23rd, 2022. As a result, the Plant Disease and Insect Clinic will be closed. We apologize for any…

Banner showing leafminer on sweetgum, spores of soybean target spot, a boxwood with dieback, and a sawfly skeletonizing hibiscus

Save the Date: Plant Problem Diagnostics Short Course 2022

UPDATE: Registration for the course is closed The Plant Disease and Insect Clinic (PDIC) and collaborators are happy to announce a week-long Plant Problem Diagnostics Short Course to be held the week…