At first the collectors were seen as a mift until they were proven real when they were seen capturng humans. The collectors were a mysterious race and oftenly traded advanced weapons for a number of specific races of species. The collectors were origanly protheans before they were harvested by the reapers and the colectors and were directly controled by the Reapers. Their base could either be destroyed by Commander Shepard or capture by Cebrus.
Collectors have brown skin , wings, four eyes and have distincly large heads. The collectors usually spoke in insect diolects but, also could speak in other languages.