BALTIMORE — The glow of LED lights might throw off the flirtations of fireflies, new tests suggest. Females of the big dipper species (Photinus pyralis) don’t flash back at twinkling males quite as ...
Unlike the enchanting yellow-green flashes of light produced on warm summer evenings by Photinus pyralis, the most common firefly species in North America, the orange lights of Photinus scintillans ...
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