Arctiidae Leach, 1815
Leptarctia adnata Boisduval, 1869
Leptarctia albiceps Rothschild, 1933
Leptarctia albifascia French, 1889
Leptarctia albinucha Rothschild, 1935
Leptarctia boisduvalii Butler, 1881
Leptarctia californiae Walker, 1855
Leptarctia decia Boisduval, 1869
Leptarctia dimidiata Stretch, 1872
Leptarctia fulvofasciata Butler, 1884
Leptarctia latifasciata Butler, 1881
Leptarctia lena Boisduval, 1869
Leptarctia nigrorubra Rego Barros, 1959
Leptarctia occidentalis French, 1889
Leptarctia stretchi Butler, 1881
Leptarctia wrighti French, 1889
