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A Weird Thing: Fern-Balls
A Weird Thing: Fern-Balls [email protected] Mon, 06/29/2026 - 16:48 I recently received an email from a park naturalist located in eastern Ohio who asked about ferns showing tightly curled, ball-like tips. A casual observer might mistake the odd structures for emerging frond fiddleheads. Of course, as the...
Weird Eriophyid Petiole Galls on Black Walnut
Weird Eriophyid Petiole Galls on Black Walnut [email protected] Wed, 07/01/2026 - 12:08 So-called Walnut Petiole Galls produced by the Black Walnut Petiole Mite, Aceria caulis (family Eriophyidae), may be found on black walnut trees ( Juglans nigra ) in Ohio. The eriophyid gall mite is specific to black walnut and...
Walnut Caterpillar and Chemical Warfare
Walnut Caterpillar and Chemical Warfare [email protected] Fri, 07/03/2026 - 12:54 I came across a colony of Walnut Caterpillars ( Datana integerrima , family Notodontidae) yesterday as I was slogging out of a local park in Butler County around the time the “feels like” temperature hit self-ignition. Of course,...
A False (True) Bug Alert
A False (True) Bug Alert [email protected] Sun, 07/05/2026 - 17:22 During my slog through Hades last Thursday, I found a group of native false milkweed bugs ( Lygaeus turcicus , family Lygaeidae) frolicking on their favorite host, false sunflowers ( Heliopsis helianthoides , family Asteraceae). At...
Coneflower Trifecta
Coneflower Trifecta [email protected] Wed, 07/08/2026 - 11:02 Participants in this week’s OGIA/OSU Extension Greater Cincinnati Diagnostic Walkabout observed the trifecta of coneflower ( Echinacea spp., family Asteraceae) issues in a mass planting. They included Aster Yellows (phytoplasma disease),...
Greater Dayton Diagnostic Walkabout This Coming Monday: Ferncliff Cemetery & Arboretum
Greater Dayton Diagnostic Walkabout This Coming Monday: Ferncliff Cemetery & Arboretum [email protected] Thu, 07/09/2026 - 16:47 What Is It? A Partnership : The Diagnostic Walkabout Series in Greater Dayton is offered through a partnership between the Ohio Green Industry Association (OGIA) and The Ohio State University Extension. ...
Big Beetles are Cruising Ohio Lawns and Offering Entertainment Value
Big Beetles are Cruising Ohio Lawns and Offering Entertainment Value [email protected] Fri, 07/10/2026 - 16:21 Participants in this week’s OGIA/OSU Extension Greater Cincinnati Diagnostic Walkabout were treated to large numbers of buzz-bombing Green June Beetles ( Cotinis nitida , family Scarabaeidae) cruising turfgrass. Although adults usually...