Phytomyza glabricola 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 glabricola Kulp

Figs 781-783

Phytomyza weidhausii . Nomen nudum. Hamilton 1957: 94 [attributed to E. C. Crafts].

Phytomyza ditmani Kulp, 1968: 14. Spencer and Steyskal 1986b: 214; Griffiths and Piercey-Normore 1995: 23; Scheffer and Wiegmann 2000: 249; Scheffer and Hawthorne 2007: 2627; Lonsdale and Scheffer 2011: 1188; Scheffer and Lonsdale 2018: 88; Scheffer et al. 2021: 62.

Description.

As described for P. ilicicola except as follows:

Wing length 2.2-2.4 mm (♂), 2.4-2.6 mm (♀). Eye height divided by gena height: 3.4-4.4.

Chaetotaxy: Sometimes very small additional ori present in front of anterior ori, which is 1/2 length of posterior ori. Five scattered rows of acrostichal setulae.

Colouration: Body darker brown; gena greyish to dirty white; dark posterolateral spot on frons surrounding vertical setae sometimes with extension along margin of eye to surround base of ors and (less frequently) base of posterior ori; eye with dark margin along gena and postgena. Legs dark with base of tibiae and apices of femora narrowly to indistinctly yellow; tarsi dirty white, becoming browner apically.

Genitalia: (Figs 781-783 ) Surstylus short and rounded. Epandrial process short and broad. Sclerite of hypophallus slightly longer than mesophallus, narrow and strongly arched; base fused to apex of basiphallus. Length of mesophallus ~ 2.5 × width, shorter than distiphallus and slightly constricted at midpoint. Arms of distiphallus connected at base.

Hosts.

Aquifoliaceae - Ilex glabra , I. coriacea ; possibly I. cassine ( Scheffer et al. 2021).

Distribution.

USA: AL, CT, DC, FL, GE, MA, MD, MS, NC, NJ, NY, OH, SC.

Type material.

Holotype: USA. DC: Washington, 19.viii.1964, L.A. Kulp, Type No. 67427 (1♂, USNM).

Additional material examined.

USA. FL: Highlands Co., Venus-Archibold Biological Station , 30.iii.2013, C.S. Eiseman, ex Ilex glabra , em. 8-28.iv.2013, #CSE255, CNC384726, CNC384727 (1♂, 1♀, CNC). Also see Lonsdale and Scheffer (2011) .

Figures

Figures 778 - 786. Phytomyza ditmani Kulp, male genitalia 778 external genitalia, left lateral 779 phallus, ventral 780 hypandrial complex, left lateral 781 - 783 P. glabricola Kulp, male genitalia 781 external genitalia, left lateral 782 phallus, ventral 783 hypandrial complex, left lateral 784 - 786 P. ilicicola Loew, male genitalia 784 external genitalia, left lateral 785 phallus, ventral 786 hypandrial complex, left lateral. Originally published in Lonsdale and Scheffer (2011).