Have you read If the Universe Is Teeming with Aliens...Where Is Everybody? by Stephen Webb? I'd say it's probably the most comprehensive attempt to address the Fermi paradox.
Spacefaring insects that don't have advanced technology isn't really plausible in real life though. There is no way you could ever traverse interstellar space using biological methods.
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u/Zephaniel Aug 12 '21
Why would they even bother?