It is very difficult to distinguish among the various Calephelis
metalmarks found in the Rio Grande Valley. The following references may help:
NABA comparison photos
Archives, TX-Butterfly List-serv; search for the following messages by Mike Overton:
- 23 Oct 2002, "LRGV Calephelis --longish"
- 23 Oct 2004, "Re: LRGV 10/18,19/04; Calephelis ID"
Life History of Rounded Metalmark
Host plants recorded
in Texas' lower Rio Grande Valley:
- Crucita, Chromoleaena odorata
Explanation of sightings data