(No scale but this thing about as long as the first two joints of one of my fingers.)

For the last few days, we’ve had these large moths flying into the house in the evening. Once they’re in here, they just fly around sort of stupidly. They clearly have no idea how they got here or how to get out. They keep bumping into walls and doors and ceilings, not even aiming for light sources or anything. With their size, they’re damn noisy about it. And when they accidentally fly into me, it’s enough of a bump to cause a full-body flinch. It’s annoying, so it’s a real relief when they finally stop in one place for long enough for me to take them out.

Wasps and flies on the other hand seem to navigate by light. When they get in here, they bang against the glass of the French doors until they tire, and then they crawl along the same. The wasps I take out; the flies can either figure it out themselves – or get swatted if they annoy me enough.

When bumblebees fly inside, they usually make a wide loop or two and then immediately fly out again. It’s obvious that they are not lost and they know which way to get out. Butterflies do the same. Clearly they have completely different navigational abilities (or different goals) from wasps.