Liriomyza galiivora (Spencer)

Eiseman, Charles S. & Lonsdale, Owen, 2018, New state and host records for Agromyzidae (Diptera) in the United States, with the description of thirty new species, Zootaxa 4479 (1), pp. 1-156 : 50-51

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.

Figures

FIGURES 133–143. leaf mines; 133: Liriomyza arctii Spencer in Ƒerbesina alternifolia; 134: L. asclepiadis Spencer in Asclepias exaltata; 135: L. baccharidis Spencer in Erigeron annuus, lower surface (left) and upper surface (right); 136: L. blechi Spencer in Plantago virginica; 137: L. brassicae (Riley) in Lepidium virginicum; 138: L. eupatoriella Spencer in Ageratina altissima; 139: L. eupatoriella in Ƒernonia baldwinii; 140: L. eupatorii (Kaltenbach) in Baccharis halimifolia; 141: L. fricki Spencer in Trifolium repens; 142: L. galiivora (Spencer) in Galium circaezans (transmitted light); 143: L. ivorcutleri spec. nov. in Silphium perfoliatum.