Phytomyza anemones Hering

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 : 67-68

Phytomyza anemones Hering

( Fig. 175 )

Material examined. MASSACHUSETTS: Hampden Co., Blandford , 9.ix.2015, em. 15.iii–21.iv.2016, C.S. Eiseman, ex Anemone quinquefolia , #CSE2246, CNC634793–634797 (2♂ 3♀) .

Host. Ranunculaceae : Anemone * quinquefolia L.

Leaf mine. ( Fig. 175 ) A contorted track, forming a secondary blotch with primary and secondary feeding lines conspicuous in transmitted light; frass in scattered, dark grains, sometimes forming beaded strips. Mines on Anemone quinquefolia are more or less full-depth and transparent, and may occupy an entire leaflet when complete.

Puparium. Brown; formed within the leaf, with the anterior spiracles projecting ventrally through the lower epidermis.

Distribution. * USA: MA; Europe.

Comments. On Anemone virginiana L. in Missouri we found a single similar mine, which appeared nearly uniformly dark brown in reflected light, but when backlit the intestine-like track was clearly visible (secondary feeding lines); primary feeding lines were indistinct. A braconid wasp emerged from the puparium. A mine found in Wisconsin on A. canadensis L. with conspicuous primary and secondary feeding lines ( Klein 2013) also may represent Phytomyza anemones .

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.