Yellowjacket Nest Building: A Close Encounter on My Deck

I was photographing birds from my deck when a yellowjacket landed on the rail beside me. It was close enough that I could see it working the wood.

I stopped shooting birds for a minute and watched what it was doing.

Yellowjacket Nest Building Basics

The yellowjacket on my rail was scraping wood fiber off the surface with its mandibles. It chews that fiber and mixes it with saliva to make a pulpy material. Once dry, that pulp becomes the paper-like material you see in yellowjacket nests. It is lightweight, surprisingly strong, and easy to add onto as the colony grows.

These insects are not picky about locations. They build underground in old rodent burrows, inside hollow trees, and inside structures like attics, sheds, and porches. The nest itself is made up of layers called combs, which hold the larvae. A paper envelope wraps around the outside for protection.

I’ve run into yellowjackets nesting in my yard more than once. You can read more about that in my earlier post on yellowjackets and velvet ants.

Colony Life Through the Seasons

A yellowjacket colony starts with one queen in spring. She builds the first small nest and lays the first eggs. Once those eggs hatch and workers develop, they take over foraging and building. The queen focuses on laying eggs from that point on.

The colony grows steadily through summer. It peaks in late summer or early fall, when a single nest can hold hundreds to thousands of workers. As fall sets in and food gets harder to find, yellowjackets become more visible and more aggressive near human spaces.

When winter arrives, the workers die off. Only newly mated queens survive, sheltering through the cold until the following spring. Then the whole cycle begins again.

Photography Notes

Shooting a Small Subject at Close Range

I was hand-holding the Canon EOS R5 with the Canon RF 100-500mm f/4.5-7.1 L IS USM at 500mm. That focal length kept me at a comfortable distance while still filling the frame with a small insect. The yellowjacket was focused on its work and ignored me completely.

Settings:

• Aperture: f/8
• Shutter Speed: 1/2500 sec
• ISO: 8000
• Exposure Compensation: +1
• Focal Length: 500mm
• Support: Hand-held

The high ISO was the trade-off for getting 1/2500 sec. At that shutter speed, any motion from hand-holding or from the insect itself freezes cleanly. I pushed the exposure compensation to +1 to keep the yellowjacket’s bright yellow markings from blocking up. Without it, the meter would have pulled the exposure down to compensate for darker tones in the background.

A Small Moment Worth Slowing Down For

It takes maybe ten seconds to realize a yellowjacket is doing something worth watching. These insects are running a construction operation in plain sight, right on the surfaces around your home. Next time one lands nearby, take a look before you shoo it away. There’s more going on than it seems.