Ha! Thanks for the replies guys. I do suspect the caterpillars, which I think are likely moth caterpillars. Saw one drowned in a bucket and another dead on the floor of my patio before. I've had slug infestations in the past when my orchids were in the backyard. Now they're on the second floor and I haven't seen any slug/snail trails. Also sprayed the orchid and sprayed, soaked the orchid medium pretty well, inspected it at night and didn't see anything crawl out. Will have to inspect my other orchids but a quick glance did not reveal any similar damage.
Roberta and Dolly, butterflies and moths are beautiful. Saw a hummingbird moth visiting my patio orchids last summer and was super excited. I was really disappointed when it didn't feed from my blooming dendrobium, which was the only thing in bloom at that time. It must have just been checking out the plants. Didn't know they existed in the US. Only other time I've seen them was in SE Asia. I used to catch caterpillars as a kid, keep them in jars, and feed them in hopes they would turn into butterflies/moths. In this instance, I do have more than one orchid but I'm not going to share
They are too slow growing and precious. Will likely toss the caterpillars off the balcony onto the grass/plants down below. They can have those
They can share with the rabbits and crows that also live around here.
Something cutting/eating dendrobium
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