Phytomyza verticillatae Kulp, 1968

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 verticillatae Kulp

Figs 796-799

Phytomyza verticillatae Kulp, 1968: 25. Spencer and Stegmaier 1973: 123; Spencer and Steyskal 1986b: 214; Griffiths and Piercey-Normore 1995: 23; Scheffer and Wiegmann 2000: 249; Lonsdale and Scheffer 2011: 1201; Scheffer et al. 2021: 62.

Description.

As described for P. ilicicola except as follows:

Wing length 1.5-1.9 mm (♂), 1.7-2.0 mm (♀). Eye height divided by gena height: 4.3-6.0.

Chaetotaxy: Anterior ori minute. Four to five scattered rows of acrostichal setulae.

Colouration: Parafacial and side of face dark grey, centre of face yellowish. Posterolateral margin of frons dark to base of inner vertical seta; dark spot sometimes extending along eye margin to level of posterior ori and occasionally extending from margin to surround base of all fronto-orbitals. Legs slightly whitish with mid tibia sometimes paler.

Genitalia: (Figs 796-799 ) Surstylus short and tapered. Epandrial process relatively broad. Sclerite of hypophallus ill-defined, darkest near leading margin, but entire lateral and ventral surface of hypophallus lightly sclerotised to form an irregular cup. Paraphalli narrow, curved, diverging. Mesophallus ~ 11 × longer than wide at midpoint, apex broader, clearer, and U-shaped. Arms of distiphallus broadly separate, weakly diverging, and not much more than 1/2 length of mesophallus.

Hosts.

Aquifoliaceae - Ilex verticillata , I. mucronata .

Distribution.

USA: AL, DC, FL, MA, MD, ME, MI, MN, NY, PA, TN, TX, VA, WV.

Type material.

Holotype: USA. DC: Washington, 6.vii.1964, L.A. Kulp, Type No. 67428 (1♂, USNM).

Additional material examined.

See Lonsdale and Scheffer (2011).

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).