A species of the family Cicadidae in the suborder Homoptera of the class Insecta. It is a large cicada with a body length of 30-35 mm and a total length of about 60 mm from the tip of the wings. Its body is short and thick, with green and black markings on its thorax. Its wings are transparent, with dark spots on the transverse veins. The male's abdominal flaps are large and very rounded, with the two flaps slightly overlapping. It is distributed from Hokkaido to Kyushu, and is widely known outside of Japan in the Korean Peninsula, China, and the Far East of the Russian Federation. It is found only in limited areas in Hokkaido, and is designated as a national natural monument in the Wakoto Peninsula on Lake Kussharo, which is in the northernmost area of the Kushiro Regional Development Bureau. It appears from late July to September, and is particularly common in August. It lands on the trunks of zelkova trees and other trees, and sings loudly, "meen, meen...". It does not sing in a chorus. The eggs laid in dead branches hatch in about 300 days, and become adults in the sixth year. Individuals with a pale green body are rarely seen, and this is called Mikadominmin (Mikado type) f. mikado , which is one of the individual variations. [Masami Hayashi] [Reference] |A large cicada found from Hokkaido to Kyushu. Its body is short and thick, with green and black markings on its back and chest. Body length 30-35mm. Cicada family ©Shogakukan Photo by Okuyama Hisashi "> Cicada ©Toshio Sekiguchi "> Major types of cicadas (2) [specimen illustrations] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
昆虫綱半翅目(はんしもく)同翅亜目セミ科Cicadidaeの1種。大形のセミで、体長30~35ミリメートル、翅端までの全長が約60ミリメートル。体は太短く、胸背には緑色と黒色の斑紋(はんもん)がある。はねは透明で、横脈上には暗色斑がある。雄の腹弁は丸みが強くて大きく、左右の腹弁はわずかに重なる。北海道から九州にかけて分布し、国外では朝鮮半島、中国、ロシア連邦極東地域に広く知られる。北海道では産地が局所的で、北限の釧路(くしろ)総合振興局管内の屈斜路湖(くっしゃろこ)にある和琴半島(わことはんとう)では国の天然記念物に指定されている。7月下旬から9月にかけて出現し、8月にとくに多い。ケヤキなどの幹上に止まってミーン、ミーン……と大声で鳴く。合唱性はない。枯れ枝の中に産み付けられた卵は約300日で孵化(ふか)し、それから6年目に成虫になる。体全体が淡緑色の個体がまれにみられ、これはミカドミンミン(ミカド型)f. mikadoといわれるもので、個体変異の一つである。 [林 正美] [参照項目] |北海道から九州にかけて分布する大形のセミ。体は太く短く、胸背には緑色と黒色の斑紋がある。体長30~35mm。セミ科©Shogakukan 撮影/おくやまひさし"> ミンミンゼミ ©関口俊雄"> セミのおもな種類(2)〔標本画〕 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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