Agromyzaphagus Gahan 1912

Hosts. Diptera: Chamaemyiidae

detrimentosus Gahan 1912: 7

Type. USNM

Distribution. W (Alameda, Contra Costa, El Dorado, Fresno, Inyo, Los Angeles, Modoc, Orange, Placer, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Clara, Shasta, Solano, Ventura, Yolo)

Host/habitat. Leucopis glyphinivora, L.? minor

Remarks. Host records (dating to the 1930s) from EMEC and UCRC include “ Leucopis griseola ”. This is a Palearctic species, and is probably a misidentification of the Holarctic L. annulipes Zetterstedt (S. Gaimari, pers. comm.).