In addition to planting advice (you've got time), this week's garden column tackles several questions about managing pests.

Oaks are the most susceptible having the most species of gall-forming insects and mites being able to take advantage of them. Oak galls may form on the branches or the leaves Maples commonly have ...

Answer. You have spotted the handy work of quite small insects or mites. Oaks, especially the live oaks, seem to be susceptible to a number of gall-forming insects that produce swollen tree ...

systemic insecticides that are transported inside the plant are not very effective in killing the gall-forming insects while they are feeding. Also, since the gall tissue is different from the ...

Some of the most common galls form on oak trees. Of the 2,000 insect species that stimulate gall formation, at least 800 of them use oaks as their host. The photo I received (and is pictured here ...

Growths on plants formed by parasitic weevils help their offspring hunker down on a Brazilian savanna and outlast the flames.

The galls expanded, and in this case, changed color to make room for all the creepy crawlies. “The gall-forming insects are really interesting because they have a symbiotic relationship with the plant ...

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 ...

What causes them – insect, fungus? How should I treat ... Affected trees ordinarily show little injury and once the gall begins to form the process cannot be stopped. Treatment is not ...

Gall makers include insects, mites, bacterium, fungus and nematodes, but most are caused by mites and insects. The galls are formed when the female insect injects a chemical into the plant along ...

Known only from female specimens, Anicetus lysithea is a wasp from the forests of Costa Rica that might parasitise gall-forming insects. ©Noyes 2023 An entire genus of wasp has been named Dalek along ...

A student plopped a leaf on my desk, pointed to several green lumps on its underside, and asked, “What are those green growths?” It was a stump-the-professor moment and in this case, I was, indeed, ...