Early spring and the pollinators are everywhere on citrus blooms and avocado. Flies are THICK on the Gwen avocado, honey bees on the citrus. Greenhouse is heavy in perfume and my Man Cave never smelled better. Mangos are just now pushing foliage, late for them. Most folks think of bees as the only pollinators. Nothing could be further from the truth. I have moths, bumble and honey bees, flies of all kinds of species - some big houseflies some small with shiny blue butts.
Big mistake greenhouse buyers make is not providing access for ingress and egress of pollinators, If, you growing fruiting material. My wall vent opening is 4' X 37'. Roof vent is 2' X 37'.
Big fly on Gwen avocado. If you open (click) on the photo you can see some cool hairs and this sword on top of his head.
Lots of little flies on avocado blooms.
Big bumblebee on Moro blood orange.
"Sugar Bee" on citrus.