Looks like the boxes are working!
Western Honey Bees starting to "mob" hummingbird feeder at rental house in Paradise, Arizona.
Hummingbird is male Black-chinned Hummingbird.
Hoo boy... none of what iNaturalist suggests looks right. Found at least 4 of these caterpillars on my Eriogonum grande var. rubescens. They ranged in size, but the biggest were perhaps 2 cm. Hot and sunny lately. 80s.
Gulf Fritillary eggs on passion fruit leaf