femme fatale firefly
From Wiktionary, the free dictionary
English
Noun
femme fatale firefly (plural femme fatale fireflies)
- Any of several fireflies, of the genus Photuris, that mimic the mating flashes of other species of fireflies, mostly in other genera, in order to predate the attracted males.
- Synonym: femme fatale lightning bug
Further reading
Photuris on Wikipedia.Wikipedia 
Photuris on Wikispecies.Wikispecies 
Photuris on Wikimedia Commons.Wikimedia Commons
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