スナアカネ
トンボ目 トンボ科
体長 34～42ｍｍ
アフリカ北部、ヨーロッパ南部から中央アジアにかけて分布するトンボで、日本ではアジア大陸から飛来するものが10月～11月に見られることがあります。 日本にはまだ定着していないようですが、海岸近くの池や砂浜で見られ、毎年のように見つかっている地域もあります。 （写真）オス 2017.10.4 明石市大観町（明石川河口付近）
（写真）メス 2017.10.4 明石市大観町（明石川河口付近）
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