Mercuriana ussuriensis Lehr 1981
Creators: name: Young, Charles L.
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Asilidae
Mercuriana
Mercuriana ussuriensis

description: Mercuriana ussuriensis Lehr, 1981
(Figs 7, 20, 38, 39 & 64)
Rhadiurgus ussuriensis Lehr 1981 Lehr (1981: 94). Mercuriana ussuriensis Lehr 1999: 617.
Small black flies, 12 to 17mm. Easily distinguished by the contrasting bright silver­gray post­marginal bands and dull black tergites. Male sternite 8 extension short and thickened. Epandrial lobe elongated and slender with an internal ventral medio­apical tubercle baring stout sharp spines (Fig. 7). Gonostylus elongated and slender, medial surface concave or hollow (Fig. 20). Aedeagus truncated, apex cylindrical (Figs 38, 39). Ovipositor of compressed segments 8 and 9, short segment 9, circus long, free (Fig. 64).
Head: Mystax short black setose above and laterally, encircling longer white bristles below, all in a triangular pattern. Yellow parafacial stripe with black borders extending from antenna base to mid gena. Face black and gray setose. Thorax: Chaetotaxy with 1 notopleural; 1 supraalar; 2 postalar; 10 dorsocentral bristles. Scutellum with sparse, black proclinate hair; scutellar margin with 4 bristles. Pleura gray pollinose. Legs: Entirely black with yellow, white and black hair. Wings: Tinged gray. Halter dull yellow. Abdomen: Strong sliver gray pollinose postmarginal bands on tergites 3–6. White lateral marginal hair weaker on tergites 3–7. Sternites dull black with tan margins and long yellow hair. Male sternite 8 slightly excised and rounded, raised and ridged medially. Hypandrium greatly reduced. Gonostylus slender and sigmoid; a sub apical crease or fold; distal apex thickened (Fig. 20). Aedeagus stout, truncated with three slender endoaedeagi (Fig. 38, 39).
South Korean distribution. Ch ǒ llabuk ­Do Province. Naejangsan N.P. South entrance. 35°26’34”N, 126°53’06”E. Pyŏngsanbando N. P. Puan­Gun. 37°44’57”N, 128°34’19”E. Taedunsan Prov. P. 36°05’00”N, 127°20’00”E. Beckunsan 460m. Chinan­ Gun. 35°40’49”N, 127°26’01”E. Ch’ungch’ ǒ ngnam­Do Province. Kŭmsan­Gun. Kŭmsan. Posoksa. (no coordinates available). Ky ǒ nggi­Do Province. Seoul. Pukansan N. P. (no coordinates available). Ky ǒ ngsangnam­Do Province. Samjeong­Li. Macheon. Chirisan Mt. 6– 800m. 35°21’36”N, 127°38’25”E. Pijindo Is. (no coordinates available).
Material examined. 1ɗ, 1Ψ (in cop.): 30/VI/1999, Chŏllabuk­Do Province, Naejangsan N.P., South entrance; 1Ψ: 19/VI/1999, Chŏllabuk­Do Province, Pyŏngsanbando N. P., Puan­Gun; 1ɗ: 5/VIII/1999, Chŏllabuk­Do Province, Taedunsan Prov. P.; 1ɗ: same data except 6/VIII/1999; 1Ψ: 3/VIII/2003, Chŏllabuk­Do Province, Beckunsan 460m., Chinan­Gun; 1ɗ: 31/VIII–5/IX/1998, P. Tripotin coll., Ch’ungch’ŏngnam­Do Province, Kŭmsan­Gun, Kŭmsan, Posoksa; 1ɗ: same data except 5/IX/1998; 1ɗ: same data except 10–14/IX/1998, 2Ψ: same data except 19/IX/2001; 3Ψ: same data except 25/IX/2001; 1Ψ: same data except 28/IX/2001; 1ɗ, 1Ψ: 15/VI/1995, Kyŏnggi Do Province, Seoul, Pukansan N. P.; 1ɗ: same data except 20/VIII/1994; 6ɗ: 2/ VIII–15/IX/2002, Kyŏngsangnam­Do Province, Samjeong­Li, Macheon, Chirisan Mt. 6– 800m., Malaise trap; 2ɗ, 1Ψ: same data except 24/VIII/2002; 1ɗ, 1Ψ: same data except 20/IX/2002; 1ɗ: 16/IX/1997, P. Tripotin coll., Kyŏngsangnam­Do Province, Pijindo Is.
Field notes. Mercuriana ussuriensis inhabits rocky outcrops, ledges and bolder strewn areas.
description: Published as part of Young, Charles L., 2006, Robber flies of South Korea — II. South Korean species of the Subfamily Asilinae Latreille, 1802 (Diptera, Asilidae), pp. 1-30 in Zootaxa 1132 on pages 13-14, DOI: 10.5281/zenodo.171900