Insects diurnal

Bald-faced Hornet

Dolichovespula maculata

Master architects of the insect world, Bald-faced Hornets are easily recognized by their striking ivory markings and massive hanging paper nests. These beneficial predators are a sign of a healthy, balanced backyard ecosystem.

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Quick Identification

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Size

Workers: 13-20 mm (0.5-0.8 in); Queens: up to 25 mm (1 in)

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Colors

Primary black body with distinctive ivory or white markings on the face, thorax, and the final three segments of the abdomen.

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Key Features

Distinctive white or ivory 'bald' face markings
Deep black body with white accents on the rear segments
Large, football-shaped gray paper nests hanging from trees or eaves
Stout, robust build compared to leaner yellowjackets

When You’ll See Them

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Activity pattern diurnal

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Peak hours 7 AM - 7 PM (Daylight hours)

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Season June - October, with colony activity peaking in late August and September.

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Diet Adults primarily consume nectar and fruit juices for energy, but they hunt insects like flies and caterpillars to provide protein for the developing larvae in the nest.

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Habitat Found in forest edges, parks, and suburban gardens; nests are typically built at least three feet off the ground in trees, shrubs, or on building eaves.

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Behavior

Bald-faced Hornets are highly social insects that live in complex colonies. Despite their name, they are actually a type of aerial yellowjacket, known for their incredible architectural skills. They construct large, intricate nests made of chewed wood fibers mixed with saliva, resulting in a durable, gray paper-like material. Within these nests, a single queen rules over a workforce of several hundred individuals, all working together to expand the nest and care for the developing larvae.

While they have a reputation for being aggressive, these hornets are generally quite focused on their own business unless their nest is threatened. They are actually beneficial to gardeners because they are formidable predators, hunting a wide variety of garden pests like flies, caterpillars, and even other species of yellowjackets. In the late summer and fall, as the colony reaches its peak, you may see them becoming more active and defensive of their home.

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Camera Tips

To capture the best footage of Bald-faced Hornets, your primary focus should be on their flight paths or their nest entrance. If you have found a nest on your property, mount your camera on a tripod at least 6 to 10 feet away. Use a telephoto lens or a high-resolution setting that allows for digital zooming, as you do not want to disturb the colony. Angle the camera so it captures the single entrance hole, usually located near the bottom of the paper structure, to record the 'air traffic' of workers coming and going with prey.

If you don't have a nest to observe, you can attract them to a specific spot using a 'sweet station.' Place a shallow dish of overripe fruit, such as fermented peaches or plums, or a sponge soaked in sugar water in a sunny patch of your yard. Position your camera about 12 to 18 inches from the bait. Because these insects move extremely fast, use a high shutter speed or a high-frame-rate video setting (60fps or higher) to avoid motion blur and capture the intricate details of their wings and markings.

Lighting is crucial for these dark-bodied insects. Position your camera with the sun at your back to illuminate the hornet's white facial features against its black body. Early morning or late afternoon light provides the best contrast without the harsh glare of the midday sun. If your camera has a 'macro' or 'near-focus' mode, ensure it is activated to capture the fine texture of the paper nest or the hornet's compound eyes. Always remember to check your camera during the cooler parts of the morning when the hornets are less active for maximum safety.

Similar Species

Species that look similar or are commonly confused with Bald-faced Hornet.

European Hornet

Much larger and features brown and yellow coloration rather than black and white.

Common Yellowjacket

Smaller with bright yellow markings and typically nests underground rather than in aerial paper nests.

Mason Wasp

Solitary insects that are also black and white but are much thinner and do not build large communal paper nests.

Frequently Asked Questions

Bald-faced Hornets are strictly diurnal, meaning they are active during the day. They are most busy from mid-morning to late afternoon, especially when the sun is warm and they can forage for food and wood fibers for nest expansion.

You can attract them by planting nectar-rich flowers or providing a source of protein and sugar. Overripe fruit and shallow water dishes with stones for perching are excellent draws. They are also attracted to gardens with healthy populations of flies and caterpillars, which they hunt.

The adults primarily feed on nectar and sugar-rich liquids for their own energy. However, they are expert hunters and catch other insects, which they macerate and feed to the larvae in their colony.

Yes, they are very common in suburban environments. They often choose the eaves of houses, sturdy garden shrubs, or backyard trees as nesting sites because these areas offer protection from the elements and a steady supply of prey.

The easiest way to identify them is by their color; while most yellowjackets are black and yellow, the Bald-faced Hornet is strictly black and white/ivory. They are also larger and more robust than most common yellowjackets.

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