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.
The Red Bulletin UK 05/23 by Red Bull Media House - Issuu
A new small carder bee species from the eastern Canary Islands (Hymenoptera, Megachilidae, Anthidiini)
Bumble Bee and Wasp Wings - Lichen Labs
Ohio Birds and Biodiversity: Wasp scores caterpillar
Bumble Bee and Wasp Wings - Lichen Labs
Bumble Bee and Wasp Wings - Lichen Labs
Backyard Blog 2023: Another year of stalking insects with a camera
hiebertjeffrey – Norfolk Naturalist
Ohio Birds and Biodiversity: Bee flies
Products Archive - Lichen Labs
Ohio Birds and Biodiversity: A cool robberfly, and a doppelganger
Native Insect Pollinators and Their Habitats
August, 2014
Backyard Blog 2023: Another year of stalking insects with a camera