Twenty-five years ago, when rows of young pin oaks were planted along Man o' War Boulevard near the entrance to Blue Grass Airport, the idea was that columns of stately trees would someday welcome ...

The horned oak gall forms on twigs of Quercus palustris Muench. and is initiated when the wasp Callirhytis cornigera O.S. oviposits into the periderm or cortex of the twigs. Injury to phellogen as a ...

Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

The gall wasp group (Hymenoptera: Cynipidae) represents an exceptional model for understanding ecological interactions, evolutionary innovation and the dynamic interplay between insects and their host ...

When you look up into the bare branches of some oak trees at this time of year, you can see ball-shaped growths hanging there, looking almost like nature’s Christmas ornaments. These are galls. A gall ...

CUTLINES - Q: My pin oak tree has lumpy growth on the limbs that someone said were galls. What should I do about this? I don't want to lose my tree. C. B. TulsaA: Oak tree galls come in many forms, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A previously unidentified species of invasive parasitic wasps is now ...

When you look up into the bare branches of some oak trees at this time of year, you can see ball-shaped growths hanging there, looking almost like nature’s Christmas ornaments. These are galls. A gall ...