Synonyms and other taxonomic changes
First described in 1770 (without the name- that came in an index that was published with the second volume in 1773) by Dru Drury
as Papilio tharos
Explanation of Names
tharos looks like it should be Greek, but isn't in the dictionaries. The closest is tharros (θαρρος), a variant of tharsos (θαρσος)- "courage", which has survived in Modern Greek- but even that doesn't seem likely.
Gardens, fields, roadsides and woodland edges. More restricted to streamsides in the west.
summer in northern parts of range, much of year in South
Larval foodplant: Asters. Adults take nectar.
Flies most of the year in the south (1-3 or more broods)
, Phyciodes incognitus
(recently described species from Southern Appalachians)
, Phyciodes cocyta
, Phyciodes phaon
, underside - see comments on this one for distinguishing marks:
Brock and Kaufman, pp. 176-177 (1)
Glassberg, p. 113, plate 32 (2)
Illustrations of Natural History, v.1, p.43
Drury's original description of the species (under "Fig.V and VI"), referring to figs 5 & 6 on Plate 21