tree advice needed

We inherited an old mature maple in our backyard. Canopy looks decent for how old it is, but recently we have noticed a pile of grass falling onto our sidewalk path. The other day we found a borer larvae of some kind but not sure what is is - anyone able to tell me? They all look so similar to...

we are adding on to our house. there is a white oak tree close to our area of expansion. it is 46” in diameter at breast height. if we were to build close to this tree.. like say 5’, is that dangerous? please help! thx!

I have a large tree in my front yard that had a large section split off this weekend and I am looking for some advice on how to best handle the situation. Ideally, I would love to save this tree as it is a large very old tree that also provides a lot of privacy from the main road and adds...