# Straw Underwing (*Thalpophila matura*)

The Straw Underwing is a special moth with beautiful brown and yellow wings. It likes to fly around at night and can often be found near fields and gardens.

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

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

Photo: (c)Entomart, Attribution · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Thalpophila_matura_entomart.jpg)

## Appearance

The Straw Underwing has dull yellowish-brown forewings that help it camouflage against bark. When disturbed, it reveals bright straw-yellow hindwings, each marked with a distinct dark band. This striking contrast helps surprise predators.

## Taxonomy

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

## Interesting facts

- Did you know moths help pollinate flowers too, just like busy bees do?
- Some moths have taste buds on their feet to find yummy plants for their babies!
- Straw Underwings are nocturnal, meaning they are most active when the sun goes down!
- Their fuzzy bodies help keep them warm on cool nights, like wearing a tiny coat!

## Special abilities

- **Flashy Escape:** Straw Underwing can startle predators by suddenly flashing its bright yellow hindwings, giving it a split second to fly away.
- **Night Navigator:** Straw Underwing has special eyes that help it see and fly safely in the dark, finding flowers even on moonless nights.
- **Scent Mapper:** Straw Underwing can use its antennae to 'smell' tiny amounts of pheromones, helping it find a mate from far away.

## Measurements & details

- **Wingspan:** 35-40 mm
- **Size:** 15-18 mm
- **Lifespan:** 14-28 days
- **Flight Speed:** 8-12 km/h
- **Leg Count:** 6

## Diet & Feeding

Adult Straw Underwings sip sweet nectar, while their caterpillars munch on yummy grasses.

- **Age differences:** Caterpillars eat grasses; adults drink nectar from flowers.
- **Primary Foods:** Nectar, Wild grasses, Buddleia flowers, Thistle flowers
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** Greater Mouse-eared Bat (*Myotis myotis*) — Hunts moths using echolocation at night.
- **Eaten by:** [European Robin](https://www.snappit.app/explore/european-robin) (*Erithacus rubecula*) — Feeds on moths and caterpillars during the day.
- **Pollinates:** [Butterfly Bush](https://www.snappit.app/explore/butterfly-bush) (*Buddleja davidii*) — Visits flowers to drink nectar, spreading pollen.
- **Eats:** Annual Bluegrass (*Poa annua*) — Caterpillars feed on the leaves of this common grass.
- **Eaten by:** Common Frog (*Rana temporaria*) — Ambushes adult moths near ponds and damp areas.

## 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.
- [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.
- [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 gentle creatures, but it's best to watch them from a distance.

## Frequently Asked Questions

### How to identify Straw 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 Straw Underwing's wingspan?

35-40 mm

### How big is Straw Underwing?

15-18 mm

### How long does Straw Underwing live?

14-28 days

### How fast can Straw Underwing fly?

8-12 km/h

### What does Straw Underwing eat?

Adult Straw Underwings sip sweet nectar, while their caterpillars munch on yummy grasses.

### Where is Straw Underwing usually found?

Fields and gardens

### How does Straw Underwing 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*)

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Source: [Straw Underwing: Facts & Places to See — Snappit](https://www.snappit.app/explore/straw-underwing)
