# Downy Yellowjacket (*Vespula flavopilosa*)

The Downy Yellowjacket is a small, buzzing insect known for its bright yellow and black stripes. They live in nests and can often be seen flying around flowers and food during the summer.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 3/5 · Moderate
- **Snaps:** 2
- **Habitat:** Urban areas

![Downy Yellowjacket](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Vespula_flavopilosa_560749378.jpg&width=800)

Photo: Alex Abair, CC BY 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Vespula_flavopilosa_560749378.jpg)

## Appearance

The Downy Yellowjacket is a medium-sized wasp with striking yellow and black bands across its abdomen. It has a distinctive black anchor-shaped marking on its yellow face and fine, yellowish hairs that give it a slightly fuzzy appearance, differentiating it from other smooth-bodied wasps.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Hymenoptera
- **Family:** Vespidae
- **Genus:** Vespula

## Interesting facts

- Downy Yellowjackets help control garden pests by hunting other insects.
- Only the queen yellowjacket survives winter to start a new colony in spring!
- These tiny wasps build amazing paper nests by chewing up wood fibers!
- They sometimes try to share your sweet picnic drinks and sugary snacks!

## Special abilities

- **Stinging Defense:** Downy Yellowjacket can deliver a painful sting because of a barbed stinger that helps them defend their nest.
- **Colony Communication:** Downy Yellowjacket has special chemical signals, called pheromones, that help them alert the colony to danger or food.
- **Paper Architect:** Downy Yellowjacket can chew wood fibers into pulp that helps them build intricate, multi-layered paper nests.

## Measurements & details

- **Wingspan:** 20-35 mm
- **Size:** 10-17 mm
- **Lifespan:** 15-45 days
- **Flight Speed:** 20 km/h
- **Leg Count:** 6
- **Colony Size:** 5000

## Diet & Feeding

They eat both sweet nectar for energy and protein-rich insects to feed their young.

- **Age differences:** Larvae are fed chewed up insects, while adults primarily consume sugary liquids.
- **Primary Foods:** nectar, fruit sap, flies, caterpillars, spiders
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** Striped Skunk (*Mephitis mephitis*) — Digs up nests to eat larvae and adult wasps.
- **Hunts:** Cabbage White Butterfly (*Pieris rapae*) — Hunts caterpillars to feed its growing young in the nest.
- **Pollinates:** [Canada Goldenrod](https://www.snappit.app/explore/canada-goldenrod) (*Solidago canadensis*) — Visits flowers for nectar, incidentally transferring pollen.

## Traits

- [Striped](https://www.snappit.app/explore/traits/striped): Marked with parallel bands or lines of color.
- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Omnivorous](https://www.snappit.app/explore/traits/omnivorous): This trait identifies organisms whose diet includes both plant and animal matter.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.
- [Urban Friendly](https://www.snappit.app/explore/traits/urban-friendly): This habitat trait indicates species that can coexist with humans in urban and suburban environments, utilizing man-made structures and green spaces.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

- [Insects](https://www.snappit.app/explore/collections/insects)

## Safety

**Danger:** 3/5 · Moderate

Be careful around yellowjackets; they can sting if they feel threatened.

## Frequently Asked Questions

### How to identify Downy Yellowjacket?

Compare the antennae, wings, waist, body hair and legs. Yellow and black stripes show up on bees, wasps and harmless mimics alike. Bee & Wasp Identifier: upload a photo and compare the visible details.

### What is Downy Yellowjacket's wingspan?

20-35 mm

### How big is Downy Yellowjacket?

10-17 mm

### How long does Downy Yellowjacket live?

15-45 days

### How fast can Downy Yellowjacket fly?

20 km/h

### What does Downy Yellowjacket eat?

They eat both sweet nectar for energy and protein-rich insects to feed their young.

### Where is Downy Yellowjacket usually found?

Urban areas

### How does Downy Yellowjacket hunt?

Foraging

## Where to spot

- [Bellevue Avenue Historic District](https://www.snappit.app/guides/places/bellevue-avenue-historic-district) — Rhode Island, US · Historic District
- [Ocean Drive Historic District](https://www.snappit.app/guides/places/ocean-drive-historic-district) — US · Historic District
- [Downtown Waterbury Historic District](https://www.snappit.app/guides/places/downtown-waterbury-historic-district) — Connecticut, US · Historic District
- [Overlook Historic District](https://www.snappit.app/guides/places/overlook-historic-district) — Connecticut, US · Historic District

[View all places to see Downy Yellowjacket](https://www.snappit.app/guides/where-to-see/downy-yellowjacket)

## More Insects

- [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*)
- [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*)
- [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*)
- [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*)

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Source: [Downy Yellowjacket: Facts & Places to See — Snappit](https://www.snappit.app/explore/downy-yellowjacket)
