Figs 142, 143
Liriomyza lupiniphaga Spencer 1981: 248. Spencer & Steyskal 1986: 117.
Wing length 1.3–1.4mm (♂), 1.3–1.4mm (♀). Length of ultimate section of vein CuA 1 divided by penultimate section: 2.5–3.0. Eye height divided by gena height: 3.6–3.8. Scutum subshining.
Chaetotaxy: Two ori, one ors. Acrostichal setulae in three to four rows.
Colouration: Calypter margin and hairs grey. First flagellomere light brown to dark brown; scape and pedicel brownish with ends more yellow; lateral margin of frons dark brown with stripe extending to surround base of ors and sometimes base of posterior ori; posterolateral corner of frons to base of vertical bristles, ocellar triangle, back of head and clypeus dark brown; face brown; ventral margin of gena with light brown stripe. Scutum dark brown with notopleuron yellow and postpronotum brown with darker anteromedial spot; laterotergites dark brown. Pleuron, legs and abdomen dark brown.
Genitalia: Figs 142, 143. Surstylus with single subapical spine. Swollen apical section of ejaculatory duct broad, tapering apically. Left paraphallus sometimes present. Hypophallus well developed. Mesophallus narrow, cylindrical and approximately as long as distiphallus. Distiphallus broad, bowl-like and directed dorsally, enclosing paired, fringed inner structures; with slight anterobasal stem and complete ventral suture. Ejaculatory apodeme large and well-developed with broad blade that becomes paler apically excluding slightly darker marginal band.
Hosts. Fabaceae — Lupinus albicaulis and probably other high altitude Lupinus spp.
Range. USA. California [El Dorado, Riverside, Trinity], Colorado.
Type material. Holotype, USA. California: El Dorado Co., Snowline Camp, 2.viii.1948, ex. larva on Lupinus albicaulis, Lot 79-1, K.E. Frick, Type No. 13939 (1♂, CASC); Paratypes examined, USA. California: El Dorado Co., Camino, 19.vii.1948, sweeping Lupinus albicaulis Dougl., Lot No. 74-8, K.E. Frick (2♂ 1♀, CASC), Riverside Co., 4mi SE Keen Camp Summit, 8.vii.1964, E.I. Schlinger (1♂, UCR).
Comments. See comments for Liriomyza lupinella.