綠胸晏蜓 (學名：Anax parthenope)，屬於蜻蜓科中的一種大型蜻蜓，具有醒目的外觀和強勁的飛行能力。以下是它的主要特徵：
外觀：這種蜻蜓的胸部為亮綠色，腹部呈藍色和黑色相間，尤其在腹部的前部有明顯的藍色斑塊。翅膀透明，有棕色的翅痣，眼睛為藍綠色，非常大且突顯。整體體型修長且流線型。
體型：綠胸晏蜓屬於大型蜻蜓，成體的體長可達 7-8 公分，翼展約為 10 公分。
棲息地：它們常見於湖泊、池塘、濕地以及慢流的河流周圍，特別是在有豐富植被的水域。這種蜻蜓喜歡開闊的水面，並通常出現在溫暖的氣候中。
分佈範圍：廣泛分布於歐洲、北非、亞洲，包括日本、中國、台灣等地。牠們是較為常見的晏蜓種類之一。
行為：綠胸晏蜓以強健的飛行能力著稱，能夠在空中快速捕捉飛行中的昆蟲。它們有很強的領地意識，通常會在同一區域巡視飛行，保護自己的地盤免受其他蜻蜓的入侵。其活動期主要在夏季，並且經常被看到在水域附近來回盤旋。
綠胸晏蜓的體型和顏色使其在蜻蜓世界中非常顯眼，且具備優秀的飛行能力和狩獵技巧。
Anax parthenope is a large species of dragonfly with a striking appearance and powerful flight abilities. Here are its main characteristics:
Appearance: This dragonfly has a bright green thorax, with an abdomen that is blue and black, featuring a distinct blue patch on the front part of the abdomen. Its wings are transparent with brown wing spots, and it has large, prominent blue-green eyes. The overall body shape is slender and streamlined.
Size: The Green Emperor Dragonfly is a large dragonfly, with an adult body length reaching about 7–8 cm and a wingspan of approximately 10 cm.
Habitat: They are commonly found near lakes, ponds, wetlands, and slow-flowing rivers, especially in areas with abundant vegetation. This dragonfly prefers open water surfaces and usually inhabits warm climates.
Distribution: Widely distributed across Europe, North Africa, and Asia, including Japan, China, and Taiwan, it is one of the more common species of emperor dragonflies.
Behavior: Known for its strong flying ability, the Green Emperor Dragonfly can swiftly capture insects in mid-flight. It has a strong territorial instinct, often patrolling the same area to defend its territory against other dragonflies. Its active period is mainly in summer, frequently seen hovering around water bodies.
The Green Emperor Dragonfly's size and coloration make it highly distinctive among dragonflies, with exceptional flying skills and hunting abilities.
