Tiny Transmitters Track Monarch Butterflies
Scientists have developed a miniature Bluetooth transmitter, the BlūMorpho, that attaches to monarch butterflies to track their migration patterns from Canada and the US to Mexico.
Miniaturization has reached new heights with the BlūMorpho transmitter, designed specifically to attach to monarch butterflies. Most monarchs live only two to six weeks, but a special 'super generation' can live up to nine months, enabling them to complete the remarkable migration journey from Canada and the United States to Mexico and back.
Technology Design
The transmitter resembles a tadpole and weighs just 60 milligrams. It features a tiny solar cell instead of a battery and emits a Bluetooth signal that can be detected by smartphones with location services enabled.
Attachment Process
Researchers carefully affix the transmitters by placing a glassine envelope over the butterfly, weighing down its wings, and applying eyelash glue to secure the device. This delicate process ensures the butterflies can still fly while carrying the tracking equipment.
Public Participation
The project extends beyond scientific research, as a dedicated mobile application allows the public to participate in tracking the butterflies' migration. Future developments may include dedicated tracking stations with extended range capabilities.
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