Thyridanthrax anomalus Greathead, 1980

El-Hawagry, Magdi S., Abdel-Dayem, Mahmoud S. & Al Dhafer, Hathal M., 2019, On the taxonomy of the genus Thyridanthrax Osten Sacken in Egypt and the Kingdom of Saudi Arabia, with description of a new species (Diptera: Bombyliidae), Zootaxa 4701 (6), pp. 501-519 : 505

Thyridanthrax anomalus Greathead, 1980

Thyridanthrax anomalus Greathead 1980: 324 . Type locality: Saudi Arabia.

Distribution: PA: Saudi Arabia.

Saudi Arabian localities: Makkah: Al-Baha-Taief Road (Taief Governorate), Wadi Fatimah (Al-Jamoum Governorate) .

Material examined: KSA: 1 female in a bad condition, Al-Baha-Taief Road, 3.VIII.2009 (Col. El-Hawagry) [from personal collection of El-Hawagry] .

Diagnosis: Body length: approximately 12 mm. Head with upper part of frons and occiput black in ground color, remainder reddish; frons with grey tomentum, sparse black hairs and golden yellow scales; face rounded, barely projecting beyond curve of frons, with short pale yellowish hairs and white scales; scape and pedicel reddishbrown with black hairs; flagellum black. Thorax dull black with scutellum, except on its extreme base, postpronotal lobe and postalar callus reddish-brown; hairs of collar pale and prealar tuft yellow; hairs on pleura whitish; scales on pleura, margins of scutellum, behind collar, and around wing bases white; hairs on disc of scutum and scutellum ochreous-yellow to brownish-black. Legs with coxae grayish-brown, femora yellowish-brown, tibiae brown, tarsi blackish-brown. Wings, except for yellowish base, gray with darker areas around pale fenestrae; base of costa black with brown scales; calypter gray with white fringe. Abdomen reddish-brown in ground color, with 1 st tergite and middle parts of 2 nd and 3 rd tergites black; 1 st tergite with white hairs and scales, and narrow band of blackish scales across middle two-thirds of posterior margin; 2 nd tergite with white scales on base forming a transverse band, remainder with black scales; basal half of 3 rd tergite, entire 4 th tergite, and apical halves of 5 th– 7 th tergites with white scales, rest of these tergites with black scales; hairs weak, sparse, and black, except strong hairs on 6 th tergite and yellowish hairs on 7 th tergite.