Smicronyx fulvus, commonly known as the red sunflower seed weevil,[1] is a weevil in the family Curculionidae.

Adult beetles are 2.5–3 mm in length.

[2] They are long and reddish-brown in color.

[3] The species is found in the United States and Canada.

[4] The larvae feed on Helianthus species and are sometimes parasitised by the braconid wasp Nealiolus curculionis.