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Navigational Systems

All articles tagged with #navigational systems

science1 year ago

The Confusion of Insects: Debunking the Attraction to Light Theory

New research suggests that flying insects are not actually attracted to light, but rather become confused by artificial lights at night, which scramble their innate navigational systems. Insects do not fly directly toward a light source, but tilt their backs toward it, causing midair confusion. This study used motion-capture video to observe how insects react to different light sources, finding that their flight is least disrupted by lights shining straight downward.

science1 year ago

"Insect Attraction to Light: Unraveling the Confusion"

New research suggests that flying insects are not actually attracted to light, but rather become disoriented by artificial lights at night, causing them to flutter in confusion around sources such as porch lamps and street lights. Insects have a navigational problem and are accustomed to using light as a cue to know which way is up. The study used tiny sensors to film insects' flight behavior and found that they tilt their backs toward the light, leading to midair confusion rather than attraction. This disruption is attributed to the invention of artificial lights, which contradicts insects' natural orientation based on the sky being light and the ground being dark.