Each cycad species also has its own exclusive species of pollinating beetle, which can detect its host cycad using special infrared sensors in their antennae, apparently tuned to the exact temperature range of the plant. Using these sensors, the heat-seeking beetles can find the cycad cones in the dark at night. And to ensure successful pollination, the male cones reach their peak temperature three hours before the female cones warm up, enticing the beetles to visit the males first to collect pollen before moving on to the female cones to fertilise them.