Requested reference
Chamberlin, R. V. (1909a). The American Drapetisca. The Canadian Entomologist 41(10): 368. doi:10.4039/Ent41366-10 
-- Show included taxa
Chamberlin, R. V. (1909a). The American Drapetisca. The Canadian Entomologist 41(10): 368. doi:10.4039/Ent41366-10 -- Show included taxa