Diagnosis. — This species forms a leafy stem gall that is always found in a large aggregation (Fig. 1a).
”- Raymond J. Gagne, GL Waring: (1990) The Asphondylia (Cecidomyiidae, Diptera) Of Creosote Bush©
Reference: https://www.biodiversitylibrary.org/page/26238244#page/676/mode/1up