香港擬屈翅螢 Medeopteryx hongkongensis | 香港螢火蟲 Hong Kong Fireflies

Medeopteryx hongkongensis

香港擬屈翅螢 Hong Kong Bent-winged Firefly

形態特徵：體長4.3–4.9毫米。第七腹板後緣波曲、中間突出較多、頂端二义; 鞘翅基部有時顏色較淡；雄螢發光器位於整個第6腹板和第7腹板。雌螢體長5.7-6.1毫米，與雄螢外表近似，複眼較細小，發光器位於整個第6腹板。

分佈地點：二東山、榕樹澳、梧桐寨河谷、平山寨、鶴藪水塘

成蟲活躍月份：5月

其他資料：雄螢飛行時發出簡單脈冲式閃光，閃光持續145毫秒、間距580-670毫秒；雌螢通常停留在葉上，只偶爾飛行。香港特有種。

Morphological features：Male body length 4.3-4.9 mm, posterior margin of V7 trisinuate with posterior lateral projection no longer or wider than the median posterior projection which is bifurcate ended ; light organs occupying ventrite 6 & 7 in male. Female body length 5.7-6.1 mm, resembles male, but with smaller compound eyes, light organ only covers ventrite 6.

Distribution：Yi Tung Shan, Tung She O, Ng Tung Chai Valley, Ping Shan Chai, Hok Tau Reservoir,

Adult flight period：May.

Other information： Flying male displays simple flash pattern composed of repeated pulsations with duration of 145 ms and inter-pulse interval of 580 – 670 ms. Female prefers to stay on foliage and only occasionally flies. Endemic to Hong Kong.