Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 99. (Budapest 2007)

Papp, L.: A review of the Old World Trigonometopini Becker (Diptera: Lauxaniidae)

to epandrium. Supragenital (subepandrial) sclerite (Fig. 21) positioned close to the ventral edge of epandrium in profile (Fig. 24), slightly asymmetrical with long and narrow caudal part. Hypandrium with large, cranially directed lateral process (Fig. 23). Gonite (Fig. 23) narrow with medial lateral process. Phallus rather small. Phallapodeme (Fig. 22) not long but extremely high. Ejaculatory apodeme small, incl. its apical processes. Female cerci small with mediumlong fine setae (hairs). Protrigonometopus sexlituris (SHATALKIN, 1992) - This is a rather characteristic species (described as Sapromyza). Its facial plate with six spots, i.e. apart from subantennal pair there is also a pair of spots above mouth margin. It has been reported from the Russian Far East and Japan (SHATALKIN 1992, 2000). Protrigonometopus shatalkini sp. n. (Figs 25-30) Type material - Holotype male (HNHM): "Taiwan, Nantou Co., Yuanfeng, 2760 m, SW Hohuan Mountain - 24 07 24 N, 121 14 55 E, 29. XI. 99., Ronkay, Kun, Peregovits". Paratypes: 3 males: same data; 1 female: Taiwan, Taichung Hsien, Anmashan Mts, Tashueshan Forest Recreation Area - 2650 m, Jan 26, 2002, leg. L. RONKAY. Description - Measurements in mm: body length 3.52 (holotype), 3.24-3.52 (paratypes), wing length 4.06 (holotype), 4.00-4.45 (paratypes), wing width 1.64 (holotype), 1.56-1.60 (paratypes). Head. Basic colour yellow, orbital plates grey (not too broad), similarly to occiput, eyes yellow-bordered. Spots between eye and antennái base much smaller than in P. ornatus. Facial spots oblique. Both ocellars and postocellar strong. Anterior ors seta very anterior, only 0.10-0.12 mm from lunule. Male antennae all dark, arista finely ciliate of sparse, 0.02 mm long cilia. Palpi black. Mesonotum bluish grey stripes between acrostichal and dorsocentral lines faint, hardly discernible on some specimens. Pleura whitish tomentose grey, not lighter ventrally. Scutellum with rather narrow light lateral rim only. Two acrostichal rows of setae. Anterior katepisternal seta slightly more than 1 /2 length of posterior one. Wings light greyish-yellowish, veins ochre. Stronger costal fringe on third costal section of 8 setae on 1/4 of the section. Intracrossvein section of vein M 0.85 mm, terminal section 1.55 mm, ratio 1.83 (holotype). Fore tarsi and apical 2-3 tarsomeres of mid and hind tarsi darkened (dirty yellow to greyish brown). Abdomen dark grey, subshiny, terga with narrow lighter distal margin (on some specimens not discernible on tergites 2-3(4)), and a diffuse narrow lighter sagittal stripe present. Tergite 6 with a triangular yellow spot centrally and caudally. Male genitalia (Figs 25-30) are similar to that of P. ornatus, as regards its basic structures. Protandrium fused to epandrium, latter very short dorsally and comparatively long ventrally. Epandrium bears very long dorsal and medial setae (Fig. 25). Supragenital (?subepandrial) sclerite much broader than that of P. ornatus (Fig. 27 vs Fig. 21). Hypandrium with large, cranially directed and ventrally curved lateral processes (Figs 28-30). Phallapodeme (Fig. 26) extremely large, ejaculatory apodeme small. Gonites (Figs 28-30) strongly asymmetrical, rather intricately formed, much narrowed in ventral view, left gonite much larger in lateral view (Fig. 29, cf. Fig. 30). Female antennae yellow. Female cerci short (small) with numerous medium-long fine setae.