Pteroptyx maipo

米埔屈翅螢 Maipo Bent-winged Firefly

形態特徵:體長6.8-7.5毫米,鞘翅末端黑色,強烈向下及向內屈;雄螢發光器位於整個第6腹板和第7腹板。雌螢體長7.2-8.5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,鞘翅末端黑色,沒有向下及向內屈。


分佈地點:米埔、天水圍


成蟲活躍月份:4-9月


其他資料:雄螢飛行時發出複式閃光,閃光持續約300毫秒、間距約1.7秒;每次閃光由7-16個緊密連接的脈冲組成。雌螢常停留在葉上,只偶爾飛行。幼蟲在紅樹林泥灘取食擬沼螺Assiminea sp. 和耳螺 Auriculastra sp.。在廣東省西部沿岸及海南島亦有分佈。



Morphological features:Male body length 6.8-7.5 mm, elytra tips black, strongly deflexed ; light organs occupying almost entire ventrite 6 & 7 in male. Female body length 7.2-8.5 mm, resembles male, but with smaller compound eyes, light organ only covers ventrite 6, elytra tips black, not deflexed.


DistributionMai Po, Tin Shui Wai,


Adult flight periodApril to September


Other information: Flying male displays train flash, flash duration about 300 ms, inter-flash duration about 1.7ms. Each flash is composed of 7-16 closely linked pulsations. Larva feeds on two small snails — Assiminea sp. and Auriculastra sp.. Also recorded along coastline of Western Guangdong Province and Hainan.




Male
20100807-205941A


Female
20100821-095202


Male20100821-100032


幼蟲 Larva
20100323-194820


Male
20110927-21014337

Male
20100807-203819


Male
20100807-205003


Male
20100807-205006


雌 Female (下 below) 雄 Male (上 above)
20100807-213404


雌 Female (右 right) 雄 Male (左 left)
20100814-211430


雌 Female (左 leftt) 雄 Male 右 right)
20100818-211230


雌 Female (左 leftt) 雄 Male 右 right)
20100818-220201


Female 20100810-221151


Female
20100810-221211


幼蟲 Larva
20100815-001517


幼蟲 Larva
20100816-191906


幼蟲 Larva
20100829-151234


前蛹 Pre-pupa
20101104-214038


雄蛹 Male pupa
20101103-232802


雌蛹 Female pupa
20101115-22540848


雄螢閃光 Male flashes
many Pteroptyx maipo


雄螢閃光模式 Male flash pattern
TLIA_Graph_20140512154357


雄螢閃光 Male flashes

米埔屈翅螢 Pteroptyx maipo from Hong Kong Fireflies on Vimeo.