>>13738392Actually that was a different anon. And as for the oxygen hypothesis, it doesn't necessarily conflict with what I stated. The largest prehistoric insect recorded has a nearly three-foot wingspan. Judging by its size, it's not difficult to imagine that its weight was probably approaching the upper limit on what physics would allow.
Large modern insects like the Rhinoceros Beetle weigh a few grams and, despite their huge relative strength, are already slowed down considerably. You could not have a, say, human-sized insect, because it wouldn't be able to move. It'd pretty much be useless, actually.
(There is a type of prehistoric arthropod that was larger than a human, but since it was aquatic, it could grow larger without physics destroying it. This is the same reason why whales die on land.)
Certainly something like Scolipede couldn't exist, unless you assume it has the musculature and bone structure of a horse or some other large mammal instead of a traditional insect. The giant insects of prehistoric times are probably as large as insects will ever get.