We are, again, not sure this is what our reader.

After a hard rain last week, I noticed stuff falling from my Elm and Oak trees. I assumed it was pollen. I had to go into town later on and when getting in my truck I noticed the windshirld was covered in this pollen, but on further investigation I saw that thety were very tiny maggot looking things, smaller than a grain of rice, like you said. Mar 03, It turns out that the worms, which are small and white, aren’t actually falling from the sky, but rather from an oak tree (or so we surmise – more on this in a moment).

The small white worms fall onto our reader’s car and truck, which are parked under an oak stumpcut.barted Reading Time: 4 mins. Jul 21, What Are the Worms Hanging From the Trees? Oak Leaf Rollers. Oak leaf rollers are small caterpillars usually found in oak trees. When infestation is severe, oak Bagworms. Little bags hidden in tree trunks may be home to thousands of bagworm eggs.

Bagworm larvae infest both Cankerworms. Mar 03, Oak Leafrollers. The little green worms hanging on a silk thread from Oak trees throughout Pinellas County are Oak Leafrollers and are harmless – a nuisance but harmless.

The little green worms feed on Oak Tree leaves and then do what most caterpillars do event tree cut sets form a cocoon and then turn into a moth. Their feeding is usually of little consequence to the oak trees – there are plenty of leaves for the tree. Quick facts about spring and fall cankerworms Cankerworms (inchworms) cause defoliation in shade trees. They are found on elm, apple, hackberry, basswood, oak, boxelder, maple and ash trees as well as shrubs growing beneath heavily infested trees.

Young, newly transplanted, or weak trees have more chances of injury from defoliation.