[Shaanie]

It's probably mostly learned behavior; many westerners have the same reaction to eating things like chicken heart or fish eyes, which other cultures eat without hesitation. That being said, usually insects being in your food is probably a bad sign (e.g. maggots in rotting meat), so there could be some innate skepticism perhaps?

[ImAnAmateur]

Don't forget that it was unexpected and not identified as a specific species.