Ok, so I have an unfinished/W.I.P world (may turn it into story) about a sapient civilization of cockroaches called Roachins that are pretty much German Cockroachs, but most/many can fly and can stand on 2 legs and use their 1st and 2nd set of legs like we use our arms.
Anyway, they have pretty much the same tech as modern humans have, vehicles like cars, helicopters, and ships. Also tools like ladders and the like.
Now, irl, most roaches are good or decent runners and fliers, and can swim to an acceptable level. I handwaved it by saying that at least a certain country of Roachins got too 'domesticated'(human-like), and now they cannot run as fast, fly as well, or swim as well. This has also effected their climbing abilities.
Basically, I got to thinking about how some insects and spiders take damage from falling like tarantulas and big beetles, while most/many do not because of their size or build, and thought that having this group of Roachins take fall damage because they kind of got a bit fatter for their size, and maybe their exoskeleton a bit weaker, would be an interesting touch.
So, could a Roachin from this country feasibly take fall damage without having to fall like from something like a human scale skyscraper? Maybe more so a Roachin scale skyscraper, so like 6-7 (maybe 8) feet fall. Would it kill or at least hurt them badly?