Published online by Cambridge University Press: 31 May 2012
Male. Antennae weakly bipectinate. or more properly speaking lamellate and fasciculate, the width of each lamella being noticeably less than in the closely allied pulla Grt. Palpi and head clothed with rough blackish hairs ; tegulae crested,the basal portion deep smoky, the upper half light grayish tipped with darker, a fine blackish transverse line at the point of denemarcation of the two colors; patagia clothed with mixed gray and blackish hairs ; thoracic vestiture deep smoky with a small blackish median tuft on metanotum.
* Contribution from the Division of Systematic Entomology, Entomological Branch, Department of Agriculture, Ottawa.