Interactive Bugs

The rhinoceros beetle that follows you

This page is a garden on the edge of the woods in Japan, with rice fields beyond. Move your pointer and your bug will trundle, hover or flutter after you. Choose a different bug at the bottom, and tap the notes to open them.

01 · HelmetThe helmet beetle

In Japan it is called kabutomushi, which means helmet insect, because its horn looks like the crest of a samurai helmet.

02 · FlipIt flips its rivals

Males fight over sap by sliding the horn under a rival and tossing him off the tree.

03 · PetA summer pet

It is the most popular pet insect in Japan, and children feed it on jelly made for the purpose.

04 · StrongVery strong

It can pull many times its own weight, and beetle-pulling contests are a children's game.

05 · ShortOne summer

The adult lives for only two or three months. The grub spends most of a year in leaf mould.

06 · SapIt drinks sap

It comes at night to oak trees where sap is leaking, and so do hornets and butterflies.

Meet them all

Who's who in the garden

Japanese rhinoceros beetle

Trypoxylus dichotomus

Size
4 to 8cm long, with the horn
Look for it
June to August
Where
Broad-leaved woods in Japan, Korea, China and Taiwan

A glossy, dark red-brown beetle. The male has a long horn on his head that forks at the tip.

More about the rhinoceros beetle

Asian giant hornet

Vespa mandarinia

Size
Workers 3.5 to 4cm, queens over 5cm
Look for it
April to November
Where
Woods and low hills in Japan and across East Asia

A very large wasp with an orange head, a dark brown thorax and an abdomen banded in orange and brown.

More about the giant hornet

Joro spider

Trichonephila clavata

Size
Female body 2 to 2.5cm, leg span up to 10cm
Look for it
August to November
Where
Gardens, hedges and woodland edges in Japan, Korea and China

A slim spider with a yellow abdomen banded in blue-grey, a red patch near the tail, and long black legs ringed with yellow.

More about the joro spider

Autumn darter

Sympetrum frequens

Size
About 4cm long
Look for it
June to November
Where
Rice fields, ponds and gardens throughout Japan

A small dragonfly. The male's abdomen turns bright red in autumn.

More about the red dragonfly

Large brown cicada

Graptopsaltria nigrofuscata

Size
5.5 to 6cm long, with wings
Look for it
July to September
Where
Trees in towns, gardens and woods across Japan, Korea and China

A stout, dark brown cicada with cloudy brown wings: most cicadas have clear ones.

More about the brown cicada

Great purple emperor

Sasakia charonda

Size
Wingspan 9 to 11cm
Look for it
June to August
Where
Broad-leaved woods in Japan, Korea and China

A large, dark butterfly. The male's wings flash violet-blue near the body, and are scattered with white and yellow spots.

More about the great purple emperor

Through the year

When to look for them

Japan has four seasons, like Britain, with a hot and humid summer. Most insects are out from June to September. The bug following you is shown in red.

JFMAMJJASOND
Rhinoceros beetle
Giant hornet
Joro spider
Red dragonfly
Brown cicada
Great purple emperor

Good to know

Six things about Japan and its bugs

Pets

Beetles as pets

Rhinoceros and stag beetles are sold in pet shops and department stores every summer.

Nets

Summer with a net

Catching insects with a net and a little cage is a favourite holiday pastime for children.

Song

The sound of summer

The noise of cicadas is so much a part of the season that it is used in films to show that it is hot.

Autumn

Red means autumn

Red dragonflies over the rice fields are a sign that summer is ending, and there is a well-known song about them.

Poems

Insects in poems

Fireflies, cicadas and crickets have been written about in Japanese poetry for more than a thousand years.

Woods

The village woods

Many of these insects live in the managed woods beside villages. As those woods are abandoned, some are becoming scarce.

Asian bugs: 1 more place

Where next?

Somewhere else in the world Bugs by type

A country that loves its insects

In Japan, children keep beetles as pets, crickets are kept for their song, and the first cicada and the first red dragonfly of the year are noticed and talked about.

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