# Small Yellow Underwing (*Panemeria tenebrata*)

The Small Yellow Underwing is a pretty little moth with bright yellow wings. It loves to fly around gardens and fields, especially at night when it comes out to play!

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

![Small Yellow Underwing](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Panemeria.tenebrata.jpg&width=800)

Photo: James K. Lindsey, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Panemeria.tenebrata.jpg)

## Appearance

The Small Yellow Underwing has dull brownish-grey forewings that might seem plain, but reveal bright, contrasting yellow hindwings with a distinctive black border when in flight. This striking flash of color is a key identifying feature, giving it its name.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Lepidoptera
- **Family:** Noctuidae
- **Genus:** Panemeria

## Interesting facts

- Adult moths are nocturnal, meaning they flutter around only after the sun sets.
- Its caterpillars spend winter underground, waiting for spring to emerge!
- Some moths can taste with their feet to find the perfect yummy plants!
- This moth's plain outer wings help it disappear against tree bark during the day.

## Special abilities

- **Flash of Surprise:** Small Yellow Underwing can suddenly reveal its bright yellow hindwings to startle predators, giving it a chance to escape quickly.
- **Night Navigator:** Small Yellow Underwing has sensitive antennae that help them detect faint chemical trails from potential mates and food sources in the dark.
- **Hidden Feeder:** Small Yellow Underwing caterpillars have powerful mandibles that allow them to munch through tough plant stems and leaves unnoticed.

## Measurements & details

- **Wingspan:** 20-25 mm
- **Size:** 8-12 mm
- **Lifespan:** 10-20 days
- **Leg Count:** 6

## Diet & Feeding

This moth sips nectar from flowers, while its caterpillars munch on various plants.

- **Age differences:** Adult moths drink nectar, but caterpillars eat plant leaves and stems.
- **Primary Foods:** nectar, grass, dandelion, dock, clover
- **Foraging Method:** Foraging

## Ecological connections

- **Eats:** Common Pipistrelle Bat (*Pipistrellus pipistrellus*) — Bats hunt adult moths at night using echolocation.
- **Eats:** [Dandelion](https://www.snappit.app/explore/dandelion) (*Taraxacum officinale*) — Caterpillars feed on its leaves and roots.
- **Eats:** [White Clover](https://www.snappit.app/explore/white-clover) (*Trifolium repens*) — Its leaves are a common food for the caterpillars.
- **Eats:** Garden Wolf Spider (*Pardosa amentata*) — Spiders can ambush caterpillars and adult moths.

## 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.
- [Camouflaged](https://www.snappit.app/explore/traits/camouflaged): Camouflaged describes organisms that possess coloring or patterns that allow them to blend into their environment.
- [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.
- [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.
- [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 Small Yellow Underwing?

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 Small Yellow Underwing's wingspan?

20-25 mm

### How big is Small Yellow Underwing?

8-12 mm

### How long does Small Yellow Underwing live?

10-20 days

### What does Small Yellow Underwing eat?

This moth sips nectar from flowers, while its caterpillars munch on various plants.

### Where is Small Yellow Underwing usually found?

Grasslands

### How does Small Yellow Underwing hunt?

Foraging

### How many legs does Small Yellow Underwing have?

6

## 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: [Small Yellow Underwing: Facts & Places to See — Snappit](https://www.snappit.app/explore/small-yellow-underwing)
