# Japanese Beetle (*Popillia japonica*)

Japanese Beetles are shiny green and bronze beetles. They love to munch on leaves and flowers in gardens!

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Snaps:** 93
- **Habitat:** Gardens and fields
- **Also known as:** Japanese Rose Beetle, Popillia Beetle

![Japanese Beetle](https://res.cloudinary.com/drieglelr/image/upload/v1771426454/objects/5497.jpg)

## Appearance

The Japanese Beetle has a shiny, iridescent metallic green head and thorax. Its wing covers are coppery-brown, and it features five distinct patches of white hair along each side of its abdomen, with two more at the tip, making it visually unique.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Coleoptera
- **Family:** Scarabaeidae
- **Genus:** Popillia

## Interesting facts

- A single female Japanese beetle can lay up to 60 eggs in the soil during her short summer lifespan!
- Japanese beetle grubs live underground for months, happily munching on grass roots before they become adult beetles.
- These beetles were first accidentally brought to America hidden in a shipment of iris bulbs in 1916!
- They can skeletonize leaves, eating only the soft parts and leaving behind just the veins, making plants look like lace!

## Special abilities

- **Plant Chomper:** Japanese Beetle can devour a wide variety of plants using powerful chewing mouthparts that help them feed quickly.
- **Scent Magnet:** Japanese Beetle has special scent glands that release pheromones, helping them attract many other beetles to new food sources.
- **Quick Escape:** Japanese Beetle can fly swiftly with strong wings, allowing them to rapidly move between plants or escape from threats.

## Measurements & details

- **Wingspan:** 12-15 mm
- **Size:** 8-11 mm
- **Lifespan:** 30-60 days
- **Flight Speed:** 10 km/h
- **Leg Count:** 6

## Diet & Feeding

These tiny plant-eaters munch on leaves, flowers, and fruits, causing damage to many different plants.

- **Age differences:** Larvae (grubs) live underground, eating plant roots, while adults feed on leaves, flowers, and fruits above ground.
- **Primary Foods:** Rose, Grape, Corn, Linden Tree, Apple Tree, Turfgrass Roots
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** [European Starling](https://www.snappit.app/explore/european-starling) (*Sturnus vulgaris*) — Adult beetles are a common food source for these adaptable birds.
- **Parasitizes:** Spring Tiphia Wasp (*Tiphia vernalis*) — Wasp larvae grow inside and consume Japanese beetle grubs.
- **Eats:** Gallica Rose (*Rosa gallica*) — Adult beetles feed heavily on rose leaves and flowers, causing damage.
- **Eats:** [Corn](https://www.snappit.app/explore/corn) (*Zea mays*) — Beetles chew on corn silk, which can prevent successful pollination.

## Traits

- [Wildlife](https://www.snappit.app/explore/traits/wildlife): Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats.
- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [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.
- [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)
- [Insects](https://www.snappit.app/explore/collections/insects-and-bugs)

## Safety

**Danger:** 2/5 · Low

Do not touch or pick up. Some insects sting or bite. Ask an adult for help.

## Frequently Asked Questions

### How to identify Japanese Beetle?

Look for hard wing covers meeting in a line down the back, then compare the antennae, body shape, legs and markings. Metallic colors shift a lot with lighting. Beetle Identifier: upload a photo and compare the visible details.

### What is Japanese Beetle's wingspan?

12-15 mm

### How big is Japanese Beetle?

8-11 mm

### How long does Japanese Beetle live?

30-60 days

### How fast can Japanese Beetle fly?

10 km/h

### What does Japanese Beetle eat?

These tiny plant-eaters munch on leaves, flowers, and fruits, causing damage to many different plants.

### Where is Japanese Beetle usually found?

Gardens and fields

### How does Japanese Beetle hunt?

Foraging

## Where to spot

- [American Baptist College](https://www.snappit.app/guides/places/american-baptist-college) — Tennessee, US · Campus
- [Anderson University](https://www.snappit.app/guides/places/anderson-university) — South Carolina, US · Campus
- [Ashley River Historic District](https://www.snappit.app/guides/places/ashley-river-historic-district) — South Carolina, US · Historic District
- [Broadway Avenue Historic District](https://www.snappit.app/guides/places/broadway-avenue-historic-district) — Michigan, US · Historic District
- [Burke Lake Park](https://www.snappit.app/guides/places/burke-lake-park) — Virginia, US · Park
- [Central Shelby Historic District](https://www.snappit.app/guides/places/central-shelby-historic-district) — North Carolina, US · Historic District

[View all places to see Japanese Beetle](https://www.snappit.app/guides/where-to-see/japanese-beetle)

## 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: [Japanese Beetle: Facts & Places to See — Snappit](https://www.snappit.app/explore/japanese-beetle)
