Phytomyza aralivora 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 : 68

Phytomyza aralivora Spencer

( Fig. 178 )

Material examined. MASSACHUSETTS: Franklin Co., Northfield , Crag Mountain , 21.viii.2016, em. 9– 14.ix.2016, C.S. Eiseman, ex Aralia nudicaulis , #CSE2984, CNC654113–654118 (2♂ 4♀) ; Worcester Co., Ashburnham , 20.vii.2016, em. 5–7.viii.2016, C.S. Eiseman, ex Aralia nudicaulis , #CSE2847, CNC654238– 654241 (3♂ 1♀) .

Host. Araliaceae : Aralia nudicaulis L. Spencer (1969) also listed A. racemosa L. as a host but did not cite reared specimens or even empty leaf mines to support this record.

Leaf mine. ( Fig. 178 ) Upper surface, whitish to pale green; long and linear mine, widening to 2.5–3 mm by the end, with frass in fine, scattered black grains.

Puparium. Dark grayish-brown to black; formed outside the mine, sometimes loosely attached to the upper leaf surface near the exit slit ( Fig. 178 ).

Distribution. USA: *MA, MT; Canada: AB, QC (empty leaf mines only). Photographs posted to www.BugGuide.net show leaf mines from IA, ME, NH, NY, VT, ON, and SK.

Figures

FIGURES 171–179. leaf mines; 171: Phytomyza aconiti Hendel in Delphinium sp.; 172: P. actaeivora spec. nov. in Actaea pachypoda; 173: P. aesculi spec. nov. in Aesculus glabra (transmitted light); 174: P. aldrichi Spencer in Ranunculus repens; 175: P. anemones Hering in Anemone quinquefolia (transmitted light; larva at lower right); 176: P. aquilegiana Frost in Aquilegia vulgaris; 177: P. aquilegivora Spencer in Aquilegia vulgaris; 178: P. aralivora Spencer in Aralia nudicaulis (puparium on leaf surface at end of mine); 179: P. astotinensis Griffiths in Solidago canadensis.