Ophiogomphus cecilia

Ophiogomphus cecilia, the green snaketail, green gomphid, or green club-tailed dragonfly is a species of dragonfly in the family Gomphidae. It is found in Austria, Belarus, Bulgaria, China, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Italy, Latvia, Lithuania, Luxembourg, Moldova, Poland, Portugal, Spain, Romania, Russia, Slovakia, Slovenia, Sweden, Switzerland, Turkey, and Ukraine.