Bumble bees have wings have connectors called “hamuli” between the front and rear wings. The hamuli connect the forewing and hind wing for longer flights.
Tree Bumblebee Bombus hypnorum, male at purple loostrife Lythrum
Hover Flies Identified: Researchers Tackle 20,000 Syrphid Specimens in Illinois Collection
Bumble Bee - The Superheroes of Pollination, Bumble Bee
Native Insect Pollinators and Their Habitats
Bumble Bee and Wasp Wings - Lichen Labs
Bumble Bee and Wasp Wings - Lichen Labs
Horticulture Updates « OSU Extension Service Metro-area Master Gardener Newsletter
Yellow-collared Scape Moth (Erebidae, Cisseps
Bumble Bee - The Superheroes of Pollination, Bumble Bee
Bee Hardcover Notebook Insect Print – Cognitive Surplus
Bumble Bee and Wasp Wings - Lichen Labs
algonquin – Norfolk Naturalist
Insects - Gil Wizen
Bumble Bee and Wasp Wings - Lichen Labs