Thyridanthrax obliteratus ( Loew, 1862 )

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 : 514

Thyridanthrax obliteratus ( Loew, 1862)

Anthrax obliterata Loew 1862: 80 . Type locality: Greece.

Distribution: PA: Armenia, Azerbaijan, Egypt, Greece, Georgia, Iran, Italy, Kyrgyz Republic, Libya, Mongolia, Tajikistan, Turkmenistan, Uzbekistan, Yugoslavia.

Egyptian localities: Coastal Strip: Mallaha. Sinai: El-Arish.

Material examined: 1 female, Mallaha , 10.VIII.1927 (R.M.) ; 1 female, Arish , Wadi El-Daiqa, 25.VIII.1951 (Shafik) [EFC].

Diagnosis: Upper part of frons and occiput black in ground color, with face and lower parts of frons yellowish; middle of face, middle of lower half of frons, and all upper half of frons with bright ocher yellowish scales, becoming pure white on sides of lower frons, sides of face, and genae; face and frons with short whitish-yellow hairs, with some brown to black hairs only on vertex next to ocellar tubercle; scape and pedicel yellowish-brown, predominantly with yellowish hairs. Thorax black in ground color, most part of scutellum yellowish or reddish-brown; scutum and scutellum predominantly covered with yellowish vestiture; setae on scutum and scutellum golden yellow. Wings with basal medial cell (bm) slightly yellowish, only distal end brown or at least darker; third posterior cell (m2) and anterior cubital cell (cua1) narrowly infuscated at base. Abdomen black in ground color, with narrow yellowishbrown margins of tergites and large triangular reddish-brown spots on sides of 2 nd and 3 rd tergites; sides of 1 st and front corners of 2 nd tergites with protruding long white hairs; back corners of 2 nd tergite with few short black hairs; on posterior margins of 5 th and 6 th tergites white hairs mixed with short black hairs; tergites covered with brownish to black scales, interrupted at 3 rd and 4 th tergites by broad white bands occupying almost entire tergites except hind quarters, which intersperse with golden scales on posterior margins; golden scales present also on posterior margin of 5 th tergite, while posterior margin of 6 th tergite with white scales, which completely cover 7 th tergite.