# Small Fan-footed Wave (*Idaea biselata*)

The Small Fan-footed Wave is a tiny moth with beautiful patterns on its wings. It flutters around at night, making it a special sight for those who look closely in gardens and fields.

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

![Small Fan-footed Wave](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Idaea_biselata-01_%28xndr%29.jpg&width=800)

Photo: No machine-readable author provided. Svdmolen assumed (based on copyright claims)., CC BY 2.5 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Idaea_biselata-01_%28xndr%29.jpg)

## Appearance

The Small Fan-footed Wave is a delicate moth with creamy white to pale yellow-ochre wings, often featuring faint reddish tinges. It has three indistinct wavy cross-lines and distinctive fan-like hind legs on males, setting it apart from similar species.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Lepidoptera
- **Family:** Geometridae
- **Genus:** Idaea

## Interesting facts

- Even tiny moths like this help pollinate flowers while sipping sweet nectar at night.
- Its caterpillars are called loopers because they move like they're measuring the ground!
- Look closely for tiny black dots on its wings, like little beauty marks!
- This moth got its 'wave' name from the wavy lines on its delicate wings.

## Special abilities

- **Master of Disguise:** Small Fan-footed Wave can blend into its surroundings because of its subtle patterns and pale colors that help them hide from predators.
- **Fan-foot Dance:** Small Fan-footed Wave males have unique fan-like hind legs that help them perform courtship displays to attract a mate.
- **Night Navigator:** Small Fan-footed Wave can fly mostly at night because their sensitive hairs help them navigate and find food.

## Measurements & details

- **Wingspan:** 18-22 mm
- **Size:** 7-9 mm
- **Lifespan:** 14-28 days
- **Leg Count:** 6

## Diet & Feeding

Caterpillars munch on plant leaves and adults sip sweet flower nectar.

- **Age differences:** Caterpillars eat leaves and plants, but adult moths drink nectar from flowers.
- **Primary Foods:** Galium (Bedstraw), Rumex (Dock), Taraxacum (Dandelion), Nectar from various flowers, Polygonum (Knotgrass)
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** Common Cleavers (*Galium aparine*) — Larvae feed on the leaves.
- **Eaten by:** [Common Dandelion](https://www.snappit.app/explore/common-dandelion) (*Taraxacum officinale*) — Caterpillars munch on its leaves.
- **Eaten by:** Common Pipistrelle (*Pipistrellus pipistrellus*) — A common European bat that hunts moths at night.
- **Hunts:** Common Wasp (*Vespula vulgaris*) — Wasps sometimes prey on moth 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.
- [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.
- [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind.
- [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 harmless, but it's best to watch them from a distance.

## Frequently Asked Questions

### How to identify Small Fan-footed Wave?

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 Fan-footed Wave's wingspan?

18-22 mm

### How big is Small Fan-footed Wave?

7-9 mm

### How long does Small Fan-footed Wave live?

14-28 days

### What does Small Fan-footed Wave eat?

Caterpillars munch on plant leaves and adults sip sweet flower nectar.

### Where is Small Fan-footed Wave usually found?

Grasslands

### How does Small Fan-footed Wave hunt?

Foraging

### How many legs does Small Fan-footed Wave 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 Fan-footed Wave: Facts & Places to See — Snappit](https://www.snappit.app/explore/small-fan-footed-wave)
