Most insects and arachnids taste sour, although there are exceptions, for example aphids might taste sweet if consumed in large amounts due to their honeydew, and some ants produce formic acid, which tastes kind of sweet and has a similar flavour to a pineapple (this is from my experience).
https://www.reddit.com/r/spiders/comments/wawpgq/what_flavor_is_this_should_i_worry_at_all_he/



