# Twenty-spotted Lady Beetle (*Psyllobora vigintimaculata*)

The Twenty-spotted Lady Beetle is a small, friendly bug with bright yellow wings and twenty black spots. They love to munch on tiny pests like aphids, helping plants stay healthy and happy!

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 20
- **Habitat:** Grasslands

![Twenty-spotted Lady Beetle](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Twenty-spotted_Lady_Beetle_-_Psyllobora_vigintimaculata%252C_Brighton_Beach%252C_Deep_Cove%252C_British_Columbia.jpg&width=800)

Photo: Judy Gallagher, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Twenty-spotted_Lady_Beetle_-_Psyllobora_vigintimaculata%252C_Brighton_Beach%252C_Deep_Cove%252C_British_Columbia.jpg)

## Appearance

The Twenty-spotted Lady Beetle is a small, round insect, typically bright yellow to pale cream. It has twenty distinctive black spots across its wing covers. Its dome-shaped body helps differentiate it from flat-bodied beetles.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Coleoptera
- **Family:** Coccinellidae
- **Genus:** Psyllobora

## Interesting facts

- Baby twenty-spotted lady beetles look like tiny, spiky, walking alligators!
- It's one of the few lady beetles that eats mold instead of pests!
- Its spots aren't always exactly twenty; the number can vary slightly!
- They sometimes gather in large groups to spend the winter months together!

## Special abilities

- **Chemical Defense:** Twenty-spotted Lady Beetle can release a bitter, toxic liquid from its legs that makes predators think twice.
- **Warning Colors:** Twenty-spotted Lady Beetle has bright yellow colors and black spots that warn hungry birds and insects to stay away.
- **Playing Dead:** Twenty-spotted Lady Beetle can pretend to be dead by tucking in its legs and dropping, surprising attackers.

## Measurements & details

- **Wingspan:** 5-12 mm
- **Size:** 2-4 mm
- **Lifespan:** 30-365 days
- **Leg Count:** 6

## Diet & Feeding

Uniquely, these beetles munch on fungi like powdery mildew, keeping plants healthy!

- **Age differences:** Larvae and adults share a similar diet, primarily fungi.
- **Primary Foods:** Powdery mildew, Fungal spores, Fungal mycelia
- **Foraging Method:** Foraging

## Ecological connections

- **Depends on:** Grape powdery mildew (*Erysiphe necator*) — Feeds on this fungal pathogen, helping plant health.
- **Depends on:** Cucumber powdery mildew (*Podosphaera xanthii*) — Consumes this common powdery mildew on garden plants.
- **Eaten by:** [Northern Cardinal](https://www.snappit.app/explore/northern-cardinal) (*Cardinalis cardinalis*) — A common bird that preys on insects like lady beetles.
- **Eaten by:** Allegheny Mound Ant (*Formica exsectoides*) — Ants may prey on larvae or adults when opportunities arise.

## Traits

- [Spotted](https://www.snappit.app/explore/traits/spotted): Marked with spots or patches of a different color.
- [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Insectivorous](https://www.snappit.app/explore/traits/insectivorous): This trait identifies organisms whose diet primarily consists of insects and other small invertebrates.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind.
- [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:** 1/5 · Very low

These beetles are safe to watch, but don’t touch them too much to keep them happy.

## Frequently Asked Questions

### How to identify Twenty-spotted Lady Beetle?

Look for hard wing covers meeting in a line down the back, then compare the antennae, body shape, legs and markings. Metallic colors shift a lot with lighting. Beetle Identifier: upload a photo and compare the visible details.

### What is Twenty-spotted Lady Beetle's wingspan?

5-12 mm

### How big is Twenty-spotted Lady Beetle?

2-4 mm

### How long does Twenty-spotted Lady Beetle live?

30-365 days

### What does Twenty-spotted Lady Beetle eat?

Uniquely, these beetles munch on fungi like powdery mildew, keeping plants healthy!

### Where is Twenty-spotted Lady Beetle usually found?

Grasslands

### How does Twenty-spotted Lady Beetle hunt?

Foraging

### How many legs does Twenty-spotted Lady Beetle have?

6

## Where to spot

- [Conejo Valley Botanical Garden](https://www.snappit.app/guides/places/conejo-valley-botanical-garden) — California, US · Botanical Garden
- [Discovery Park](https://www.snappit.app/guides/places/discovery-park) — Washington, US · Nature Reserve
- [Dundee Canal](https://www.snappit.app/guides/places/dundee-canal) — New Jersey, US · Historic Site
- [Hoffner Historic District](https://www.snappit.app/guides/places/hoffner-historic-district) — Ohio, US · Historic District
- [Irvington Historic District](https://www.snappit.app/guides/places/irvington-historic-district) — Indiana, US · Historic District
- [Mount Airy Forest](https://www.snappit.app/guides/places/mount-airy-forest) — Ohio, US · Forest

[View all places to see Twenty-spotted Lady Beetle](https://www.snappit.app/guides/where-to-see/twenty-spotted-lady-beetle)

## 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: [Twenty-spotted Lady Beetle: Facts & Places to See — Snappit](https://www.snappit.app/explore/twenty-spotted-lady-beetle)
