Phytomyza persicae Frick

(Fig. 200)

Material examined. MASSACHUSETTS: Hampshire Co., Southampton, 37 Middle Rd., 18.x.2013, em. 21.iii.2014, C.S. Eiseman, ex Prunus persica, #CSE1015, CNC384791 (1♂) .

Host. Rosaceae: Prunus persica (L.) Batsch. Frost (1924) reported rearing adults from P. serotina Ehrh., but his specimens have never been examined to verify their identity.

Leaf mine. (Fig. 200) Yellowish-green, upper surface; long, narrow, entirely linear; frass in discrete, wellspaced, black grains. None of the mines we found were remotely “whitish,” as described by Spencer (1969) and Spencer & Steyskal (1986).

Puparium. Brown; formed within the mine, with the anterior spiracles projecting through the upper epidermis.

Distribution. USA: CT, *MA, NY (Scheffer & Lonsdale 2018), OH, PA (Frost 1924), VA; Canada: ON.