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Photo#540471
Flash pattern of Pyractomena linearis - Pyractomena linearis - male

Flash pattern of Pyractomena linearis - Pyractomena linearis - Male
Hanlon Creek, Guelph, Wellington, Ontario, Canada
June 20, 2011
The 0.5 second long sinuate flashes of Pyractomena linearis brighten to an amber glow near the end of the component, and are separated by a space of 8-10 seconds.