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Mr Boyes and his
set up LEDs at 26 roadside
in the countryside that contained either hedges or grass
. The researchers counted the numbers of moth caterpillars found at these sites and compared
with insects found at unlit sites. Boyes commented on the
. He said: "We were really quite taken aback by just how
it was." He posited that LEDs led to two drastic changes in behaviour. He said the most alarming discovery was that the lights stopped female
laying eggs in the lit areas. Another
was that the lighting disturbed the feeding
of the insects. The caterpillars in the unlit areas were heavier than those in the
lit by LEDs.
