Matson & McGuinness 2023 concluded that H. disconventa and H. lactispargaria are synoinyms of H. fritillaria. There is only one Homochlodes species north of Mexico.

Matson & McGuinness 2023 HOMOCHLODES HULST, 1896, A SINGLE SPECIES IN THE UNITED STATES AND CANADA
(GEOMETRIDAE, ENNOMINAE). Journal of the Lepidopterists’ Society 77(2), 2023, 122–126

[2023-05-19: Awaiting adoption at Moth Photographers Group and BugGuide.]