# Red-washed Prominent (*Oedemasia semirufescens*)

The Red-washed Prominent is a colorful caterpillar that turns into a beautiful moth. It has bright red and yellow colors that help it blend in with flowers and leaves.

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

![Red-washed Prominent](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Oedemasia_semirufescens_-_inat_8384542.jpg&width=800)

Photo: Matt Muir Depicted place : Maple Flats ( 37°58′37″N 78°59′46″W / 37.9769553662°N 78.9961537201°W / 37.9769553662; -78.9961537201 ), CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Oedemasia_semirufescens_-_inat_8384542.jpg)

## Appearance

The Red-washed Prominent is a stout-bodied moth with distinctive reddish-brown forewings, often marked by a darker, angled line. Its hindwings are paler gray, and it typically displays a tuft of raised scales on its thorax, giving it a bumpy appearance.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Lepidoptera
- **Family:** Notodontidae
- **Genus:** Schizura

## Interesting facts

- Adult moths have short lives, often not eating after emerging!
- It spends winter safely as a pupa underground, waiting for spring!
- Its 'prominent' name comes from unique tufts of scales on its wings!
- The caterpillar often has a humped back, looking quirky as it crawls!

## Special abilities

- **Twig Mimicry:** Red-washed Prominent caterpillars can look just like broken twigs, helping them hide perfectly from hungry birds and other predators.
- **Defensive Display:** The caterpillar can rear up its front end and curl its tail when threatened, making itself look much bigger and scarier.
- **Nocturnal Navigator:** As a moth, it flies mostly at night, using its excellent sense of smell to find mates and navigate in the dark.

## Measurements & details

- **Wingspan:** 35-50 mm
- **Size:** 20-30 mm
- **Lifespan:** 7-20 days
- **Flight Speed:** 8 km/h
- **Leg Count:** 6

## Diet & Feeding

Caterpillars are leaf-eaters, while adult moths rarely feed.

- **Age differences:** Caterpillars actively feed on leaves, but adult moths have vestigial mouthparts and may not feed at all.
- **Primary Foods:** oak leaves, birch leaves, maple leaves, elm leaves
- **Foraging Method:** Foraging

## Ecological connections

- **Hunts:** [Blue Jay](https://www.snappit.app/explore/blue-jay) (*Cyanocitta cristata*) — Blue Jays often hunt caterpillars and moths.
- **Hunts:** [Little Brown Bat](https://www.snappit.app/explore/little-brown-bat) (*Myotis lucifugus*) — Bats hunt adult moths in the night sky.
- **Eats:** [White Oak](https://www.snappit.app/explore/white-oak) (*Quercus alba*) — Caterpillars munch on oak tree leaves.
- **Parasitizes:** Tachinid fly (*Compsilura concinnata*) — An introduced fly parasitizes caterpillars.

## Traits

- [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.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [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

Always look but don't touch insects, as some can be delicate or have special defenses.

## Frequently Asked Questions

### How to identify Red-washed Prominent?

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 Red-washed Prominent's wingspan?

35-50 mm

### How big is Red-washed Prominent?

20-30 mm

### How long does Red-washed Prominent live?

7-20 days

### How fast can Red-washed Prominent fly?

8 km/h

### What does Red-washed Prominent eat?

Caterpillars are leaf-eaters, while adult moths rarely feed.

### Where is Red-washed Prominent usually found?

Forests

### How does Red-washed Prominent hunt?

Foraging

## Where to spot

- [Bogachiel State Park](https://www.snappit.app/guides/places/bogachiel-state-park) — Washington, US · State Park

## 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: [Red-washed Prominent: Facts & Places to See — Snappit](https://www.snappit.app/explore/red-washed-prominent)
