Liriomyza galiivora (Spencer)

(Fig. 142)

Material examined. MASSACHUSETTS: Hampden Co., Chester, 11.vii.2014, em. by 28.vii.2014, C.S. Eiseman, ex Galium asprellum, #CSE1211, CNC384733 (1♂) ; NORTH CAROLINA: Durham Co., Durham, Glennstone Preserve, 29.v.2017, em . 14.vi.2017, T.S. Feldman, ex Galium, #CSE3829, CNC939835–939837 (1♂ 2♀); Pelham Rd., 3.vi.2017, em . 18–26.vi.2017, ex Diodia virginiana, #CSE3834, CNC939805–939813 (4♂, 5♀); 10.vi.2017, em. 25–27.vi.2017, T.S. Feldman, ex Diodia virginiana, #CSE3857, CNC939798–939800 (1♂ 2♀); OHIO: Hocking Co., South Bloomingville, Deep Woods Farm, 5.viii.2016, em . 18.viii.2016, C.S. Eiseman, ex Galium circaezans, #CSE2912, CNC654478 (1♀).

Hosts. Rubiaceae: * Diodia virginiana L., Galium * asprellum Michx., G. boreale L., G. * circaezans Michx., G. triflorum Michx. (Spencer 1969; Lonsdale 2017).

Leaf mine. (Fig. 142) A long, whitish, gradually widening linear mine on the upper leaf surface, tending to form a secondary blotch that more or less fills the small leaves of G. asprellum . Frass is in small, irregular grains or in alternating beaded strips.

Puparium. Brownish-yellow; formed outside the mine.

Distribution. USA: AK, *MA, MD, MN, *NC, *OH, WV; Canada: AB, BC, ON, QC (puparium); Germany.

Comments. Spencer (1981) mentioned two females reared from Galium trifidum L. in central California, which were either this species or Liriomyza turneri (Spencer), whose host is otherwise unknown.