This species was discovered in the first half of the 20th century by an a Pennsylvania angling author, Charles Wetzel, who was also the source of the Isonychia bicolor common name "White-Gloved Howdy." He sent a specimen to an entomologist who named the new species after him.
Where & when
Time of year : Late June
In 8 records from GBIF, adults of this species have been collected during June (75%) and July (25%).
In 2 records from GBIF, this species has been collected at elevations of 390 and 1138 ft.