Phytomyza wiggii Lonsdale & Scheffer

Lonsdale, Owen, 2021, Manual of North American Agromyzidae (Diptera, Schizophora), with revision of the fauna of the " Delmarva " states, ZooKeys 1051, pp. 1-481 : 1

Phytomyza wiggii Lonsdale & Scheffer

Figs 800 , 801

Phytomyza wiggii Lonsdale & Scheffer, 2011: 1204. Scheffer et al. 2021: 62.

Description.

As described for P. ilicicola except as follows:

Wing length 1.8-2.5 mm (♂), 2.1-2.6 mm (♀). Eye height divided by gena height: 5.3-6.0.

Chaetotaxy: Anterior ori 1/2 length of posterior ori. Four to five scattered rows of acrostichal setulae.

Colouration: Face yellowish centrally and dark grey laterally. Posterolateral corner of frons and fronto-orbital plate dark, excluding paler anterior and inner-anterior margins. Notum sometimes with faint to distinct yellowish spots on anterior and posterior margins of anepisternum. Legs brown with tibiae and tarsi paler or with yellowish to white mottling, particularly on fore and mid legs.

Genitalia: (Figs 799-801 ) Surstylus broadly rounded, short. Epandrial process short, slightly downturned. Lateral sclerite of hypophallus narrow on basal 1/2, broader distal 1/2. Paraphallus small, lobate, and curved laterally. Mesophallus ~ 6 × longer than width at midpoint. Arms of distiphallus separate, narrow, and subparallel on basal 1/2.

Hosts.

Aquifoliaceae - Ilex verticillata , I. mucronata , I. longipes ( Scheffer et al. 2021).

Distribution.

Canada. ON*. USA: GA, MA, MD, ME, NC, NY, PA.

Type material.

Holotype: USA. PA: Dauphin Co., behind rest area on southbound I-81, 11.x1999, coll. S.J. Scheffer, ex Ilex verticillata (1♂, USNM).

Additional material examined.

Canada. ON: [Ottawa], Constance Bay , Freeman and Lewis, Ilex verticillata , see also leaf mines colln., em, 28.ii.1957, 56-205, CNC480189-480195 (2♂ 4♀ 5 puparia [gel capsule], CNC) . USA. MA: Berkshire Co., Savoy , 1.vi.2013, C.S. Eiseman, ex Ilex verticillata , em. 14-24.vi.2013, #CSE561, CNC392711, CNC392712 (1♂ 1 ex, CNC), Franklin Co. , Northfield, Crag Mountain , 16.x.2013, C.S. Eiseman, ex. Ilex mucronata , em. 11.iii.2014, #CSE998, CNC384759-384777 (10♂ 9♀, CNC), Hampshire Co. , Cummington, 18.v.2013, C.S. Eiseman, ex Ilex verticillata , em. 1.vi.2013, #CSE549, CNC392689-392700 (6♂ 6♀, CNC), Nantucket Co. , State Forest, 10.vi.2013, C.S. Eiseman, ex. Ilex verticillata , em. 16.vi.2013, #CSE565, CNC384810 (1♂, CNC). Also see Lonsdale and Scheffer (2011) .

Comments.

Phytomyza wiggii is here recorded for the first time in Canada.

Figures

Figures 796 - 801. Phytomyza verticillatae Kulp, male genitalia 796 external genitalia, left lateral 797 phallus, ventral 798 ejaculatory apodeme 799 hypandrial complex, left lateral 800, 801 P. wiggii Lonsdale and Scheffer, male genitalia 800 phallus, ventral 801 hypandrial complex, left lateral. Originally published in Lonsdale and Scheffer (2011).