Mar 13, 2024
Giant Diving Beetle (Cybister fimbriolatus), family Dytiscidae, eastern United States
photograph by Ken Childs
seen from Ecuador
seen from United States
seen from United States
seen from United States
seen from Australia
seen from United States
seen from United States
seen from United States
seen from China
seen from Bangladesh
seen from Australia
seen from Australia
seen from United States
seen from Russia
seen from United States
seen from Germany
seen from United States
seen from United States
seen from China
seen from United States
Giant Diving Beetle (Cybister fimbriolatus), family Dytiscidae, eastern United States
photograph by Ken Childs
Amaryllis ‘Saffron’, a dwarf cybister hybrid.
Cybister chinensis
ゲンゴロウ(♂)
体長：約40mm
分布：北海道〜九州
RDB：VU
水生甲虫としては国内最大種で、おそらく最も有名な水生昆虫の一つ。
かつては池沼や水田に身近な水生昆虫だったものの現在では絶滅危惧種Ⅱ類に指定されており、各地で生息数が減っている。
Diving beetle (Cybister lateralimarginalis)
Photo by Jan Hamrsky
Diving Beetle (Cybister lateralimarginalis), family Dytiscidae, The Netherlands
photograph by Wim Rubers
This is me.