Synonyms and other taxonomic changes
Halysidota harrisii – Walsh, 1864
* phylogenetic sequence #930361
adults in the eastern regions can only be separated from Halysidota tessellaris by genitalia dissection.(1)
or brushing scales off males (see below)
Halysidota tessellaris and harrisii can be determined by brushing the scales off the terminal end of the abdomen.
limited to eastern North America(1)
Iowa and southern Wisconsin to New England, Fl and TX. See range of Platanus occidentalis (American sycamore).
Overwinter as cocoons, adults emerge in May and June and lay eggs on the underside of leaves or bark of sycamore. Young larvae feed in groups, they scatter later.
Young larvae skeletonize leaves, older larvae eat everything except for the major veins.
Natural enemies control populations. Pesticides are used in some cases.
Powell, J. A., and P. A. Opler 2009. Moths of Western North America.(1)
Lafontaine J. D., and B. C. Schmidt 2010. Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America North of Mexico. (2)
Moth Photographers Group
- range map, photos of larvae, living and pinned adults.