Insect and Disease Identification Thread


Another view, ants seem to be attracted to it

While I’m here i guess, should i up my fungicide on my grapes?




What type of wasp/bee is this

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Wow. Never seen thatbine before!! Cool!!
Interestingly enough… the past few years I have been seeing insects I have never seen in the area my whole life!!!

I thought it was attacking one of my bumbles so i zapped it. Turns out, it was mating with another of us kind… i feel bad now

I can’t tell if the antennae are clubbed in your photo, but it looks a lot like Trichiosoma triangulum. Trichiosoma triangulum · iNaturalist

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I think that’s it! Thank you! They’re little clubs for antennas. Now i don’t feel as bad lol. I thought it could’ve been a wasp or large bee. I was watching it for a minute and it landed on another fuzzy that was eating from a blueberry flower. I thought it was another bumble and that it was attacking one of my bumbles so i ran and grabbed the zapper and zapped it. Then i saw that there were 2 of them and realized it was mating :face_with_spiral_eyes:

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Oh man! What a way to go!

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Note that the Melon insect, above, despite the common name of Sawfly, is closely related to bees and wasps and not to flies (Diptera).

Sadly saw two spotted lanternfly nymph on my baby Meyer lemon. Never seen the nymph before, but it was clearly evil. Damn things disappeared as soon as I took the picture. Totally gone. Paranoid they’re sucking the life out of baby trees! We’ve never seen spotted lanternfly in our city let alone backyard. Very disconcerting.

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Cross cut of the tree trunk. Infected wood extends below the graft union. Still don’t have any idea what it is.




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It took me a bit, but I remembered to check in those leaves. Some had aphids, some had an unknown bug sticking the leaves together, some were empty but with wierd crusty granular junk inside.

I cut off all the areas that were affected this morning.

I thought I tried to take some pictures, but alas, I did not.

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I know it’s late, but boron deficiency. Some apples and pears crack heavily with it.

Pink variegated lemon I just received from four winds. The yellow spots on the leaves have corresponding brown spots on the other side. Is this disease, nutritional deficiency or just plant coming out of winter coloring? The brown spots make me concerned.


Those spots are not supposed to be on your plant or small tree. The variegation is the striated whitish- yellowish stripes on the leaves. Occasionally there are large blotches of a lighter green, but not spots. Your spots are from and insect or fungus. I have the same tree. Also to see the pink center of the lemon you must cut it while the green stripes are still on the lemon itself. If not the lemon hangs on the tree and becomes yellow inside and out. Hope this helps.

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My first thought was possible Spider mites,but more like,Greasy Spot Fungus.

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Thanks for both the replies. I’ve emailed four winds with pictures. I have no idea what I’m doing with citrus. Any ideas with what I should do with this plant? Between this and the fact the cara cara came grafted stupid high 12” above soil when I specifically asked for lower growing trees, not too happy about my splurge “fancy” Four Winds purchase! Back to Madison for the next ones.

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Well, Four winds wrote back saying that the discoloration and corresponding brown spots in the leaves are caused by the horticultural oil they spray to control pests…they claim it affects young leaves and won’t affect new growth.


Found about 5 stick worms while thinning.

Not sure what these orange scabs are from. Cedar rust isn’t a thing around here, or isn’t supposed to be. Found in large numbers of Muscat de Venus fruitlets and just a few Libertys.