astronomy-to-zoology:

Sulphur Knapweed Moth (Agapeta zoegana)

Also known as the Yellow-winged knapweed root moth, the sulphur knapweed moth is a species of tortricid moth that is native Eurasia, but has been introduced to the United States to control knapweed. The larvae of A. zoegana will mine through the roots of knapweed feeding as it moves, which causes moderate damage to the plant. Leading to its use as a biological control agent. 

Classification

Animalia-Arthropoda-Insecta-Lepidoptera-Tortricidae-Agapeta-A. zoegana

Images: Kulac and USDA