Liriomyza orilliensis 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 : 53

Liriomyza orilliensis Spencer

( Figs. 146–147 )

Material examined. MASSACHUSETTS: Berkshire Co., Stockbridge , Stock Mountain , 19.vi.2015, em. 3– 4.vii.2015, C.S. Eiseman, ex Prenanthes , #CSE1676, CNC564627 , CNC564628 (2♀) .

Hosts. Asteraceae : * Prenanthes L. , Taraxacum F.H. Wigg. ( Lonsdale 2017) .

Leaf mine. ( Figs. 146–147 ) Pale greenish, turning brownish; beginning as an irregular track along the leaf margin, gradually expanding to an elongate blotch; frass mostly in squiggly strips. In the single occupied mine found, three larvae fed side by side.

Puparium. Orange-brown; formed outside the mine.

Distribution. * USA: MA; Canada: AB, ON.

Comments. Our specimens are the first known females of this species.

Figures

FIGURES 144–153. leaf mines; 144: Liriomyza limopsis Lonsdale in Eurybia divaricata; 145: L. limopsis in Oclemena acuminata; 146: L. orilliensis Spencer in Prenanthes sp.; 147: same, detail of frass; 148: L. pilicornis Lonsdale in Comandra umbellata; 149: L. pistilla Lonsdale in Melampyrum lineare; 150: L. ptarmicae de Meijere in Artemisia vulgaris; 151: L. sativae Blanchard in Astragalus cicer; 152: L. smilacinae Spencer in Maianthemum canadense; 153: L. taraxaci Hering in Taraxacum officinale.