Identification
The proboscis does not extend beyond the length of the abdomen. Note the prominent band of pale pubescence on the abdomen.
The femur is dark but the rest of the leg is pale from the knee on out.
Habitat
It is found in the upper chaparral and yellow pine forest. It has been collected from Fresno to Kern County in the southern Sierra Nevada (among other places).
Food
Best floral hosts are yerba santa and bush monkey flower.
Remarks
Ev Schlinger has assigned the name Eulonchus sierraensis to this species (in manuscript).
Print References
Sabroski, Curtis W. A Further Contribution to the Classification of the North American Spider Parasites of the Family Acroceratidae (Diptera). American Midland Naturalist, Vol. 39, No. 2 (Mar., 1948), pp. 382-430
Schlinger, E. I. 1960c. A review of the genus Eulonchus Gerstaecker. Part I. The species of the Smaragdinus group (Diptera: Acroceridae). Ann. Ent. Soc. Amer. 53: 416-22.
Manual of Nearctic Diptera, Vol. 1, 1981.