Heliopetes laviana
The Laviana White-Skipper is a mostly white skipper with dark wing tips on top. Its underside is the giveaway, with a sharp-edged, dark brownish patch across the outer hindwing.
Like other skippers, it has a stout body and hooked antennae, and it flies fast and low before landing with its wings partly spread. Its caterpillars feed on mallows, which are common in the brushlands of the Rio Grande Valley.
This one was photographed on September 23, 2025, at Santa Ana National Wildlife Refuge in Hidalgo County, nectaring on a flowering shrub.
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