Genus Tetrathemis Brauer, 1868
目 (Order):蜻蜓目 Odonata
科 (Family):蜻科 Libellulidae
体黑色具黄色斑纹,腹部较短;翅透明,后翅基方具琥珀色斑,结前横脉完整,通常6~9条,弓脉位于第1条和第2条结前横脉之间,盘区基方仅有1列翅室,无臀圈。
Body fundamentally black with yellow markings, abdomen short. Wings hyaline, hind wings with amber brown at bases, antenodals complete, usually 6-9 in number, are between antenodals 1 and 2, discoidal field with only one row of cells, anal loop absent .