These insects are food for songbirds and aid in pollination. ... The vast majority of insects killed are beneficial – for instance, bug zappers for wasps kill insects that control other pests.

Do bug zappers work for bees and wasps?

Thankfully, honey bees are not attracted to light, nor do they roam around in the evenings, when bug zappers are most effective. But not all pollinators are spared.

Are wasp attracted to bug lights?

The simple answer is, yes, wasps are attracted to bright lights, which is why you'll sometimes see them buzzing around your yard at night. This doesn't always mean that you have an impending infestation but it definitely means that you need to keep a watchful eye.