Megaselia isaacmajorum new species (Figs. 17, 49, 79, 110)

Diagnosis. Male. In the group IV key of Borgmeier (1964), M. isaacmajorum keys to couplet 15 where it can be easily eliminated from continuing in the key by its dark palpi, but lacks the single conspicuous bristle found on each side of the epandrium of M. alaskensis Malloch (Fig. 79).

Description. See Table 5.

Distribution. Los Angeles, California (USA).

Etymology. Named in honor of the sons of the Koch family: Isaac, Miguel, Aaron and Jacob, hosts of BioSCAN site 6.

Biology. Unknown.

Holotype. ♂, USA: CALIFORNIA: Los Angeles, Glendale, 1–8.III.2014, Hoffman, Malaise trap (LACM 329799).

Paratypes. 2 ♂, USA: CALIFORNIA: Los Angeles, Glendale, 1–8.III.2014, Hoffman, Malaise trap (LACM 329800, CUMZ). 2 ♂, USA: CALIFORNIA: Los Angeles, Glendale, 28.XII.2013 – 4.I.2014, Hoffman, Malaise trap (LACM 329801, CUMZ).

Additional Material Examined. USA: CALIFORNIA: Los Angeles: Los Feliz, Glendale, Mount Washington, 54 ♂, I–V.2014, Malaise traps (LACM, MCZC, USNM).