reflected off shiny tiles and porcelain, acted like a beacon.

They also emerge in late spring (April–May) for their short adult flying season, which lasts only 4–6 weeks . During this time, males fly around noisily at dusk and into the night looking for mates. This is when they’re most likely to accidentally fly through an open window or even down a chimney toward a lit room .

 

Your bathroom had all the right conditions:

– A bright light on at night

– An open window or gap around a vent

– Warm, humid air (

which they find inviting)

He wasn’t looking for a new home. He was just lost.

 Cockchafer vs. June Bug: How to Tell

You mentioned you first thought it was a June bug. That’s a very common mix-up. Here’s the quick cheat sheet:

The cockchafer is also much louder in flight—hence that alarming “whap” sound you heard. They’re not graceful flyers. At all.

 What to Do If You Find One (Exactly What You Did Right)