Although “oak apples” look like round or potato-shaped fruit, these tan orbs are actually the homes of tiny wasps barely larger than grape seeds. These tiny insects lay their eggs in valley, blue and ...
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 ...
New research on fossil galls -- abnormal plant growths caused, in this case, by tiny wasps -- helps reconstruct the local habitats of Southern California at the end of the last Ice Age. The La Brea ...
DEAR GARDEN COACH: Help! I recently discovered these crazy looking things on the leaves of my valley oak tree. I am wondering what is wrong, and what can I do to get rid of them? I know the tree is ...
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 ...
Q: We have oaks all around our property and it sounds like someone is popping corn in the woods when we walk out among the trees. When we investigated further we found these little brown “seeds” ...
Plenty of animals build their homes in oak trees. But some very teeny, tricky insects make the tree do all the work. “What nerve!” you might say. What … gall! And you’d be right. Oak galls are caused ...
DEAR GARDEN COACH: Help! I recently discovered these crazy looking things on the leaves of my valley oak tree. I am wondering what is wrong, and what can I do to get rid of them? I know the tree is ...
The La Brea Tar Pits, the world's richest Ice Age fossil site, is famous for saber-toothed cats, mammoths, and giant sloths, but it also has numerous insect and plant fossils. New research on fossil ...
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