Synonyms and other taxonomic changes
* formerly a subspecies of S. heiligbroti, Ferguson gave it the status of a full species in MONA fascicle 20.2A in 1971
* phylogenetic sequence #224325
Explanation of Names
Specific epithet hubbardi
in honor of Henry Guernsey Hubbard
Wingspan 66-77 mm, males smaller than females.
Typical adults are darker than S. heiligbrodti. Most easily identified by range, with S. heiligbrodti restricted to central and south Texas, and S. hubbardi ranging from west Texas to Arizona. There is an overlap zone around Del Rio, TX.
Extreme eastern California, southern Nevada and southern Arizona to western Texas.
Larvae feed on Wright's acacia, honey mesquite and catclaw acacia.
Larvae flouresce under UV light making them easy to collect (1)
Ferguson, D. C. 1971. Moths of America North of Mexico, Fascicle 20.2a: p. 44; pl.4.3-5
Powell, J. A. & P. A. Opler 2009. Moths of Western North America. University of California Press. pl.36.11m, p.237 (3)
Tuskes, pp. 87-88, plate 11--adult, plate 2--larva, map 8 (1)