Liriomyza galiivora (Spencer)

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

Liriomyza galiivora (Spencer)

Figs 608-611

Praspedomyza galiivora Spencer, 1969: 199.

Galiomyza galiivora . Spencer 1981: 291; Spencer and Steyskal 1986: 137; Papp and Černý 2017: 28; Černý et al. 2020: 208.

Liriomyza galiivora . Spencer & Martinez, 1987: 261 (attrib. to Tschinhaus); Spencer 1987: 877, 1990: 235; Lonsdale 2017: 55; Eiseman and Lonsdale 2018: 50.

Description.

Wing length 1.5-1.9 mm (♂), 1.8-1.9 mm (♀). Length of ultimate section of vein M4 divided by penultimate section: 2.7-5.0. Eye height divided by gena height: 3.2-9.3. Scutum shiny.

Chaetotaxy: Two ori (rarely one); two ors; sometimes appearing as three ori and one ors. Acrostichal setulae in four rows.

Colouration: Body brown with first flagellomere yellow; halter white; scutellum, postpronotum and notopleuron slightly paler. Calypter margin and hairs dark.

Genitalia: (Figs 608-611 ) Epandrium relatively long and tapered ventrally, with one posteromedial and one apical tubercle. Surstylus small, subtriangular, and with two spines. Basiphallus largely membranous with dorsum lightly sclerotised. Hypophallus broad, flat, and lightly sclerotised. Distiphallus composed of narrow stem fused to similarly narrow mesophallus, with broad interfolding cup-like apex with smaller, bilobed (each lobe sclerotised medially), mostly membranous distal section. Ejaculatory apodeme with dark, gradually tapering stalk and smooth, pale blade; sclerite of sperm pump with dark rounded lateral extensions continuous with sclerotised base of duct and base of ejaculatory apodeme.

Hosts.

Rubiaceae - Diodia , Galium ( Eiseman and Lonsdale 2018).

Distribution.

Canada: AB, BC, ON, QC (puparium and reared braconid parasitoid). USA: AK, MA, MD, MN, OH, WV. Europe, Russia ( Černý et al. 2020).

Type material.

Holotype: Canada. AB: White Mud Cr., nr. Edmonton, 23.vi.1966, ex. Galium boreale , Type No. 10421 (1♂, CNC).

Material examined.

See Lonsdale (2017).

Figures

Figures 608 - 611. Liriomyza galiivora (Spencer), male genitalia 608 hypandrium and postgonite, ventral 609 external genitalia, ventral 610 hypandrial complex, left lateral 611 phallus, ventral. Originally published in part in Lonsdale (2017).