A general term for insects belonging to the superfamily Cicadoidea in the order Hemiptera. There are over 1,600 species worldwide, with 32 in Japan. The body is large to medium-sized, with a broad head and three simple eyes at the top of the head between the compound eyes. The wings are hard and often have transparent wing chambers. The forewings are much longer than the hindwings, and usually there are eight apical chambers on the forewing and six on the hindwing. The proboscis is long, extending at least posterior to the middle leg base. The femora of the forelegs are thick and have a row of teeth on the underside. Males have a particularly developed sound-producing organ on their abdomen. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
半翅目セミ上科Cicadoideaに属する昆虫の総称。世界で1600種以上,日本に32種が分布する。体は大型~中型,頭部は幅広く,複眼の間の頭頂部には3個の単眼をもつ。翅は硬く,翅室は透明なことが多い。前翅は後翅よりはるかに長く,通常,前翅には8個,後翅には6個の翅端室がある。口吻(こうふん)は長く,少なくとも中脚基節より後方まで伸長する。前脚の腿節は太く,下側には歯状突起列がある。雄の腹部にはとくに発達した発音器がある。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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