What's wrong with this fruit??

Columbia, VA(Zone 6b)

I've been waiting for the fruit to ripen in order to identify this fruit tree (I've asked a couple of times in the I.D. forum and no one has confirmed it's i.d. Thinking it's probably cherry but not sure). When I checked on it a couple of days ago, I noticed there's some sort of clear stuff leaking from the fruits...almost all of them. It's hard, like pine sap that sits on a pine tree trunk over winter. Does anyone know what is going on? How bout confirmation of the type of tree? Also, in case this has anything to do with the fruit problem...17 year cicadas are all over the tree. Thanks!

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Colorado Springs, CO(Zone 5b)

I am uncertain as to what type of tree this is but I can tell you that the issue is bugs have gotten into the fruit. They lay their eggs inside and then incubate, eat the fruit and fly off to cause more damage. Very upsetting.

Columbia, VA(Zone 6b)

You were right. I took pictures after I opened some of the fruit up. It's weird, though, cuz the fruit isn't even ripe! So the worms/maggots/larvae are eating unripe fruit! Any clue as to what they are?

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Colorado Springs, CO(Zone 5b)

I think they are fruit flies. If it is, they will all burst out at once and you will see clouds of them a while later. This will last for a week or so. The tree might produce more fruit. If you take care of the tree to avoid further infestations, you might get some fruit. I am thinking this is a crab apple tree but I really could be wrong. What area are you in?

Columbia, VA(Zone 6b)

i'm in central virginia, zone 6b. I don't think it's crabapple cuz it has a pit. The crabapple tree we had at our old house did not have a pit.

Columbia, VA(Zone 6b)

I just went out there to take more pictures of any pests I could see...plus the leaves and bark to help with i.d. I saw something white sticking OUT of part of the trunk. It was a tree tag...most of the ink was gone, but what I could make out was (illegible) Rosa Plum.

Colorado Springs, CO(Zone 5b)

Sorry that you have to repeat unnecessary info. I am new to using the forums as well as fruit plants. I have only had a small amount of experience with fruit trees. :) I looked up the Rosa Plum and it looks very beautiful. You are right regarding the pit. I found this link that might be helpful. Here in Colorado I can send the extension an email with pics and they tell me what I am dealing with. Maybe yours will do the same:
http://offices.ext.vt.edu/fluvanna/

Calgary, AB(Zone 3b)

The tree is not a cherry or crabapple... think of the fruit you've eaten - cherries have a single, round pit and apples have 5 chambers in the center of the fruit, each with a small soft seed. It's a stonefruit - peach, plum, apricot, something along those lines.

Columbia, VA(Zone 6b)

Altagarderner...as I stated two posts up, I found a tag stuck IN the trunk (i think the previous owners of this house planted it and never removed the tree tag and the trunk grew around it) that read something illegible then Rosa Plum.

Colorado Springs, CO(Zone 5b)

Maybe it is Santa Rosa Plum?

Columbia, VA(Zone 6b)

I think santa rosa plum is correct. It would make sense, and as I stare at the illegible part of the tag, it could be Santa. Thanks!

Contra Costa County, CA(Zone 9b)

Caterpillars (ie: Codling Moth) would show legs. Very tiny legs. And they usually attack apples, crabapples, pears and asian pears. Fruit with a core and several seeds (this fruit type is a Pome). The have a distinct dark end, what looks like eyes.

Take a really close look to see if it is more like fly larvae, no legs. There are many species. Some have noticeable eye spots, some seem not to.

Around here the department of agriculture will put up traps for their own purposes (monitoring invasive agriculture pests) but will also tell me if they trap something I should spray for. They have been putting traps in several of my trees for as long as I have lived here.

I agree that Santa Rosa Plum is probably the right name for this fruit, especially since you found half a tag.

Take the samples (bag them) to a university extension office or department of agriculture. They will know what are the local pests, and can offer control tips. Probably too late for this season, but get the know-how so you can protect next years' crops.

Columbia, VA(Zone 6b)

Diana, I found what it is doing the damage. I posted the "worms" in the spider and insect i.d. forum and someone suggested Plum Curculio weevil. Looked it up...and yep, that's what it is. Since every single fruit was infected, I pulled them all off the tree. While doing this, I actually got a picture of two of the little bugs adding MORE damage to two already damaged plums.

So, there are no more plums on the tree. I'm thinking I might just cut it down...There really weren't that many fruits to begin with...I don't know how old the tree is (we just bought this house and moved in on January 19th) and there's significant damage to the trunk. I'm not sure if it's worth trying to save.

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Contra Costa County, CA(Zone 9b)

You are right. That is a lot of damage to the trunk.
You could try cutting off all the odds and ends, then spray the tree in hopes of reducing the Curculio population now and next spring.
Reduce the population before it overwinters, (removing the fruit is a big step in that direction) then kill them when they emerge in spring to lay eggs. The exact timing might be determined by asking your local department of agriculture or university extension office.

If that is not good enough, if too many fruit are still infested, then perhaps it would be better to get rid of the tree. Plant something that is not related (no plum, prune, cherry, apple, peach...).

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