Synonyms and other taxonomic changes
Gonia sagax Townsend, 1892
Identification
The antennae are noticeably yellowish in color. Species with dark antennae such as G. frontosa can be confused as having pale antennae due to the white brownish dusting.
Sharing with G. frontosa a short proboscis and more hair-like and finer frontal and parafrontal hairs and setae. Foreleg claws and pulvilli very short.
Range
Eastern USA and Great Plains
Remarks
The other Gonia species with bright yellow antennae, senilis, is paler and flies later in the year.