Bees are probably the most useful insects. They are loved for their honey, but feared for their sting. This collection of quotes and proverbs about bees is a subset of the quotes and proverbs about insects.
While collecting proverbs and quotes on insects and spiders, occasionally I found some relating to other arthropods, such as scorpions and millipedes. For insects and spiders there are separate lists of proverbs and quotes.