# Williams' Tiger Moth (*Apantesis williamsii*)

The Williams' Tiger Moth is a beautiful insect with striking orange and black markings. It flutters around at night and is often seen near lights, making it a delightful sight for those who spot it.

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

![Williams' Tiger Moth](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Apantesis_williamsii.jpg&width=800)

Photo: Jacy Lucier, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Apantesis_williamsii.jpg)

## Appearance

The Williams' Tiger Moth has striking black forewings marked with bold white or creamy streaks. Its hindwings are a vibrant orange with distinct black spots or bands, making it easily distinguishable. The body is fuzzy and often dark with some orange markings.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Lepidoptera
- **Family:** Erebidae
- **Genus:** Apantesis

## Interesting facts

- Adult Williams' Tiger Moths only live about two weeks, focusing on finding a mate!
- Its fuzzy caterpillar is sometimes called a 'woolly bear,' even though it's not a bear!
- These moths are drawn to bright lights at night, which helps scientists spot them!
- They don't eat as adults; they survive on energy stored from their caterpillar days!

## Special abilities

- **Warning Colors:** Williams' Tiger Moth has vivid orange and black patterns that warn predators of its unpleasant taste, helping them avoid being eaten.
- **Chemical Defense:** Williams' Tiger Moth can release foul-tasting chemicals when threatened, because these deter predators who try to eat them.
- **Hairy Shield:** Williams' Tiger Moth caterpillars have bristly hairs that make them look unappetizing to predators, helping them stay safe while they munch.
- **Night Navigator:** Williams' Tiger Moth can fly efficiently in the dark of night, because this helps them find mates and food sources under cover.

## Measurements & details

- **Wingspan:** 30-45 mm
- **Size:** 15-25 mm
- **Lifespan:** 7-14 days
- **Flight Speed:** 10 km/h
- **Leg Count:** 6

## Diet & Feeding

Caterpillars munch on plants, while adult moths usually don't eat at all!

- **Age differences:** Larvae (caterpillars) are voracious plant-eaters, but adult moths typically do not feed.
- **Primary Foods:** Taraxacum officinale, Plantago major, Symphyotrichum novae-angliae, Poa pratensis, Trifolium repens
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** [Little Brown Bat](https://www.snappit.app/explore/little-brown-bat) (*Myotis lucifugus*) — Little Brown Bats are nocturnal predators that hunt adult moths using echolocation.
- **Eaten by:** [Blue Jay](https://www.snappit.app/explore/blue-jay) (*Cyanocitta cristata*) — Blue Jays are opportunistic feeders and might prey on caterpillars or moths.
- **Eats:** [Dandelion](https://www.snappit.app/explore/dandelion) (*Taraxacum officinale*) — The caterpillars feed on the leaves of dandelions.
- **Eats:** Common Plantain (*Plantago major*) — Its caterpillars also find food in the leaves of common plantain.

## Traits

- [Furry](https://www.snappit.app/explore/traits/furry): Furry describes animals possessing a dense covering of soft hair or fur.
- [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.
- [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.
- [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

Moths are usually safe to watch, but don't touch them as they can be delicate.

## Frequently Asked Questions

### How to identify Williams' Tiger Moth?

Compare resting wing shape, forewing markings, antennae and body build. Small brown moths can hinge on fine details a phone photo can't always catch. Moth Identifier: upload a photo and compare the visible details.

### What is Williams' Tiger Moth's wingspan?

30-45 mm

### How big is Williams' Tiger Moth?

15-25 mm

### How long does Williams' Tiger Moth live?

7-14 days

### How fast can Williams' Tiger Moth fly?

10 km/h

### What does Williams' Tiger Moth eat?

Caterpillars munch on plants, while adult moths usually don't eat at all!

### Where is Williams' Tiger Moth usually found?

Grasslands

### How does Williams' Tiger Moth hunt?

Foraging

## 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*)

---

Source: [Williams' Tiger Moth: Facts & Places to See — Snappit](https://www.snappit.app/explore/williams-tiger-moth)
