Apomyelois is an animal in the Pyralidae family and Phycitini tribe; it is part of Lepidoptera, which notably does not include spiders.
Pyralidae Family: Phycitini Tribe: Lepidoptera Lepidoptera (/lpdptr/ LEP-i-DOP-tr-, from Ancient Greek lepis "scale" + pteron "wing") is an order of insects that includes butterflies and moths (both are called lepidopterans). Animalia 
