Galls are abnormal growths on a part of the plant. They can be caused by bacteria, insects, mites and fungi. They can be on any part of a plant and are the overgrowth of plant tissue in response ...

Certain Insects lay their eggs in specific plant tissues, causing the formation of a protuberance that nourishes the insect larva. How does the insect induce the plant to grow this abnormal tissue?

Spring is often known as the season of new beginnings, but plant diseases can make your gardens look like they’re already coming to an end. Chelsea Harbach, plant disease diagnostician at Iowa ...

and gives them a chance to view a number of galls and leaves to get a better sense of the study system and the typical pattern that herbivory varies among leaves and among plants (due to differences ...

I’ve had these plants for the past 10 years, and I don’t remember them ever having camellia leaf gall before. Sometimes it takes a random combination of temperature, moisture, and host plant ...

Social aphid species such as Colophina clematis inhabit galls on their host plants and engage in a range of colony-protecting behaviors including the collective removal of waste. The behavior is ...