Harvester

noun

1. A person who gathers the harvest.
2. A machine that gathers the harvest.
3. A program or algorithm that gathers data from a source.
4. A North American butterfly, Feniseca tarquinius, whose larvae eat aphids and are the only entirely carnivorous caterpillars in North America
5. Any butterfly of the lycaenid subfamily Miletinae to which this belongs, which are all carnivores