Physonota helianthi (Randall, 1838)
Cassida Helianthi Randall, 1838: 30 (TE in ?).
Physonota helianthi: Boheman, 1854: 196, 1856: 98, 1862: 246; Gemminger and Harold, 1876: 3647 (as syn. of unipunctata); Caulfield, 1884: 227, 1886: 40, 1887: 73; Spaeth, 1914 g: 63 (in syn. of unipunctata); Criddle, 1926: 208; Sanderson, 1948: 470 (genitalia, larva, pupa); Balsbaugh and Hays, 1972: 191; Wilcox, 1975: 153; Riley and Enns, 1979: 81; Buzzi, 1988: 573 (biology); Borowiec, 1999 d: 174.
Physonota quinquepunctata Walsh, 1869 a: 235 (TE in ?), 1869 b: 4; Crotch, 1873: 77 (as syn. of unipunctata); Riley, 1881: 53; Spaeth, 1914 g: 63 (as syn. of helianthi); Criddle, 1926: 207.
Host plant: Asteraceae: Helianthus decapetalus (Caulfield, 1887); Helianthus sp., Heliopsis sp. (Sanderson, 1948); Helianthus hirsutus (Riley and Enns, 1979); Helianthus grosseserratus (Britten et al., 2003).
Distr.: helianthi: Maine Americae borealis; quinquepunctata: ?. Canada: Manitoba, Quebec; USA: Illinois, Indiana, Kansas, Maine, Massachusetts, Minnesota, New Hampshire, New Jersey, New York, North Carolina, Tennessee.
figure: habitus in colour