TAKAO 599 MUSEUM

Treasures of Mt. Takao

Insects

Mt. Takao is considered one of the three major habitat of insects along with Minoo (Osaka prefecture) and Kibune (Kyoto prefecture) and it has long been loved by researchers of insects because of number of species and the easy access from the Metropolitan area. There are many insects first found in Mt. Takao and named after "Takao" such as Takao Shachihoko (Hiradonta takaonis Matsumura) and Takao medaka kamikiri (Stenhomalus takaosanus).

  • Dorcus striatipennis Lucanidae
    Dorcus striatipennis
    Dorcus striatipennis Lucanidae
    Main region: Hokkaido, Honshu, Shikoku and Kyushu.
    Found in forests and woodlands from low to high elevations.
    Japanese name Sujikuwagata literally meaning stripes lucanidae and small male and female have stripes patterns on upper wing like wood grains.
    Large ones does not have these linear patterns and similar to male dorcus rectus.
    Only difference is protrusions inside of mandibles, triangle for dorcus rectus and square for dorcus striatipennis.
    Main foods are sap from quercus acutissima, quercus serrata and basket willow.
    Often gather to lights.
    Larva grows inside of decaying logs of quercus acutissima and quercus serrata.

    ●Length  about 15 to 30 mm
    ●Adult Flight Season  June to about September
  • Prosopocoilus inclinatus Lucanidae
    Prosopocoilus inclinatus
    Prosopocoilus inclinatus Lucanidae
    Main region: Hokkaido, Honshu, Shikoku, Kyushu, Sado Island, Tsushima and Yaku Island.
    Found in woodland in low elevation.
    Are very popular among children and have dark brow to red brown body with elongated curved mandibles.
    Sometimes small males only have small mandibles.
    Rest on the upper part of trees during the daytime but become active at night and fly to quercus acutissimam, basket willow and quercus serrata for sap, their main food.
    Most of them die after summer like lucanidae but some do make it through the winter.

    ●Length  about 25 to 75 mm
    ●Adult Flight Season  June to about August
  • Lucanus maculifemoratus Lucanidae
    Lucanus maculifemoratus
    Lucanus maculifemoratus Lucanidae
    Main region: Hokkaido, Honshu, Shikoku, Kyushu, Sado Island and Iki Island.
    Found in woodland and beechwood forests.
    Are popular for their masculine body but limited habitat compare to dorcus rectus and prosopocoilus inclinatus. The protrusions are from the back of their head that is unique to this species.
    They grow with age like mandibles and rarely seen on small species.
    Male body is brownish black to brownish red with gold hair on body surface.
    Female body is brownish black.
    They are more active at night than daytime, fly to quercus acutissimam and quercus serrata for sap.

    ●Length  about 30 to 80 mm
    ●Adult Flight Season  July to about August
  • Trypoxylus dichotomus (Japanese Rhinoceros Beetle) Scarabaeidae
    Trypoxylus dichotomus (Japanese Rhinoceros Beetle)
    Trypoxylus dichotomus (Japanese Rhinoceros Beetle) Scarabaeidae
    Main region: Honshu, Shikoku and Kyushu.
    Male have big and brave horn and are called as the king of insects in Japan and has been very popular among children but they are also found in the Korean Penninsula, China and north of Indochina Peninsula.
    Found in forests and woodlands from flatland to mountains and fly to fly to quercus acutissimam and quercus serrata for sap.
    Have sharp claws at the tips of legs that enable them to hold their bodies to vertically grown tree.
    With their horn and big bodies, do not allow other insects gather for sap of tree.
    Lay eggs in soil and emerge to adults on the following year and live only for two to three months.

    ●Length (including horn)   about 30 to 50 mm
    ●Season  June to about August
  • 日铜罗花金龟 Scarabaeidae
    日铜罗花金龟
    日铜罗花金龟 Scarabaeidae
    分布于本州、四国、九州和佐渡岛、伊豆诸岛、五岛列岛、屋久岛等地。主要栖息在低地的杂木林和森林等处。也常见于高尾山的山路和林间小道上。也常出现于市中心的公园和林荫树上。身体扁平,头四方形,特征明显。体色有个体差异,从铜色到近绿色不定,但全都具有独特的光泽,非常漂亮。白天,聚集在麻栎、枹栎、柳树等树上食树液,飞行能力强,可以不打开前翅,只展开后翅飞行。

    ●体长/22~30mm
    ●成虫活动期/7~8月
  • Rhomborrhina unicolor Scarabaeidae
    Rhomborrhina unicolor
    Rhomborrhina unicolor Scarabaeidae
    Main region: Honshu, Shikoku, Kyushu, Sado Island, Tanega Island and Yaku Island.
    Found in woodland or forests from low elevation to mountains.
    Suck sap of quercus acutissimam, quercus serrata and basket willow.
    During short summer from July to August, seen on these trees with stag beetles, beetles and bees for sap.
    Body size and biology is quite similar to rhomborrhina japonica.
    Body color of rhomborrhina japonica varies from copper to green but that of this species is deep metallic green.
    There is also a species called rhomborrhina polita which body color is black.
    This species and rhomborrhina polita are rarely found in city area.

    Length  about 22 to 30 mm
    Adult Flight Season  July to about August
  • Paratrichius doenitzi Scarabaeidae
    Paratrichius doenitzi
    Paratrichius doenitzi Scarabaeidae
    Main region: Honshu.
    Found in green area or grassland from low elevation to mountains.
    Is a kind of cetonia that can only be seen from early summer to summer.
    Is popular among fans of insects for the large colorful patterns on its back.
    This pattern is seen only on male and female has white pattern on their black body and a lot different from males.
    Their antennas are spread in three.
    Seen on leaves or flowers on grass on mountain trails.
    Fly various places and flowers and eat pollen.
    Larva eats rotten wood.

    ●Length  about 12 to 16 mm
    ●Adult Flight Season  June to about August
  • Popillia japonica Scarabaeidae
    Popillia japonica
    Popillia japonica Scarabaeidae
    Main region: Hokkaido, Honshu, Shikoku, Kyushu, Tsushima and Yaku Island.
    Found in green space or grassland from flatland to mountains.
    Larva eats various kinds of plants in soils and sometimes roots of fabaceae family.
    Adults are known as destructive insects because eat sprout, leaves and flowers of the plants, so they are often found in farmland rather than in natural environment.
    Sometimes they grow in large numbers to cause damage to cultivations.
    Body length is small and about 1cm.
    Body color from head to abdomen is shiny deep green and its front wing surface has shiny red brown color and is quite beautiful.
    Appear from the early summer and tends to gather to food plants during the daytime.

    ●Length  about 9 to 13 mm
    ●Adult Flight Season  May to about August
  • Phelotrupes laevistriatus Scarabaeidae
    Phelotrupes laevistriatus
    Phelotrupes laevistriatus Scarabaeidae
    Main region: Hokkaido, Honshu, Shikoku, Kyushu, Tsushima and Yaku Island.
    Found in green area or forests from flatland to mountains as well as cropland and residential area.
    Body color is mostly metallic black and sometimes purplish, indigo or greenish black and they are quite beautiful.
    They are so-called dung beetles and their main foods are dungs from animals and seek them while flying close to the ground with beating its wings or walking on grounds.
    Female bring dungs in soils and lay eggs in soils sealed with dungs and larva can eat them to grow.
    In Takao, easily be found on mountain trails.

    ●Length  about 14 to 20 mm
    ●Adult Flight Season  April to about November
  • Lyponia quadricollis Lycidae
    Lyponia quadricollis
    Lyponia quadricollis Lycidae
    Main region: Honshu, Shikoku and Kyushu.
    Found in woods and its surrounding grassland from flatland to mountains.
    Japanese name Beni-botaru literally meaning red-firefly but they are in lycidae family that does not have luminous organs, not in lampyridae family.
    As its name states, upper wings are beautiful red like wine red and thorax are black and square so it is easy to distinguish with other species.
    They also have big tactile, male antennas are comb-shaped and female ones are toothed like teeth of saw.
    Appear from early May.
    Are active during daytime and fly to flowers for nectar.
    They are toxic and its appealing red is to alarm other species that they are toxic.
    Some other species have similar body color.

    ●Length  about 8 to 12 mm
    ●Season  May to about July
  • Chrysochroa fulgidissima Buprestidae
    Chrysochroa fulgidissima
    Chrysochroa fulgidissima Buprestidae
    Main Region: Honshu, Shikoku, Kyushu, Sado Island, Tsushima and Tanega Island.
    Found in forests and woods from low elevations to mountains.
    This species is the one when people call buprestidae and attracted many people from ancient periods.
    This species fore wings are used for Tamamushi-nozushi in Horyuji temple.
    Body colors are metallic shine green with two red-brown vertical lines.
    Also shows bluish and purplish color by light reflection that is the origin of the color Tamamushi-iro (iridescent color).
    Are seen during short period in summer, active during daytime and feed on leaves of Chinese hackberry and Japanese zelkova.
    Male often fly around these trees and female rest on leaves of these trees.
    Larvae grow inside of fallen woods and feed on the woods.

    ●Length  about 30 to 40 mm
    ●Adults Flight Season  July to about August
  • Agrypnus binodulus Elateridae
    Agrypnus binodulus
    Agrypnus binodulus Elateridae
    Main Region: Hokkaido, Honshu, Shikoku, Kyushu and Okinawa.
    Found in woods and green space from flatlands to low elevations.
    When placed on its back, snap and bounce itself into the air.
    Body is covered by brown fine hair called scaly hair what looks rusted as Japanese name Sabi-kikori literally meaning rusted woodman states.
    Have paired protrusions on the back and middle of thorax.
    Are often seen on woods in forests and on leaves in grasslands.
    Both larvae and adults are omnivorous and feed on various things including leaves of plants, fallen woods and dead insects.
    Adults are attracted to lights at night and feed on sap of sawtooth oak.

    ●Length  about 12 to 16 mm
    ●Adults Flight Season  May to about August
  • Coccinella septempunctata (Seven-spot Ladybird) Coccinellidae
    Coccinella septempunctata (Seven-spot Ladybird)
    Coccinella septempunctata (Seven-spot Ladybird) Coccinellidae
    Main Region: Hokkaido, Honshu, Shikoku, Kyushu, Okinawa, Ogawasara Islands and Miyako Island.
    Found in grasslands and green spaces from flatlands to mountains and also at parks and street trees in cities.
    Is the most commonly known insect in Japan.
    Have seven black spots on shiny red forewings, hence the Japanese name Nanahoshi-tento seven stars ladybug.
    Are seen from spring to early autumn.
    Are predatory and feed on plant louse that is widely known.
    When noticing dangers, emit smelly and yellow body fluids from joints of legs to protect them.
    Larvae also feed on plant louse but body shape is different from adults and is like hairy caterpillars.

    ●Length  about 5 to 8 mm
    ●Adults Flight Season  March to about November
  • Aiolocaria hexaspilota Coccinellidae
    Aiolocaria hexaspilota
    Aiolocaria hexaspilota Coccinellidae
    Main Region: Hokkaido, Honshu, Shikoku and Kyushu. Found in woods, green spaces from flatlands to mountains and also along streams in valleys. Is the largest species in Coccinellidae family native to Japan and looks quite strange for ladybugs with the size of larger than 1cm. Fore wings are shiny with red and black complicated patterns like tortoise, hence the Japanese name Kamenoko-tento literally meaning tortoise ladybug. Is seen from early spring to early autumn and adults and larvae feed on larvae of gastrolina depressa and chrysomela populi often found on Japanese walnut and Japanese wingnut and chrysomela vigintipunctata often found on willow. When sensing dangers, exuding smelling body fluids just like most species in ladybugs. In early winter, cluster in gaps of barks or under stones to spend winter.

    ●Length  about 8 to 12 mm
    ●Adults Flights Season  April to about October
  • Meloe coarctatus Meloidae
    Meloe coarctatus
    Meloe coarctatus Meloidae
    Main Region: Honshu, Shikoku, Kyushu, Tsushima and Sado Island.
    Found in woods from low elevations to mountains. Have unique body shape with shiny black-indigo blue color, skinny thorax and chubby abdomen.
    Wings are deteriorated and fore wings are half the length of abdomen without hind wings, thus are unable to fly.
    Walk on grounds and feed on leaves of plants.
    Male have unique antennae shape, the middle part is more rounded creating heart-like shape.
    Female lay eggs in soils and emerged larvae clime up the plants and reach the flower, hang on to bodies of bees in anthophila family and taken away to their next.
    Then feed on eggs and pollen in the nest.
    Body fluids are toxic and cause inflammation at a touch.

    ●Length  about 9 to 23 mm
    ●Adults Flight Season  April to about June,about October
※Quotation from Mount Takao formula application
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