Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 97. (Budapest 2005)

Papp, L.: New species of Lygistorrhinidae (Diptera) from the Oriental Region

stylus (Fig. 4) rather large, widening distad, its medio-apical tooth broad and rounded apically. Lygistorrhina pentafida sp. n. Type material - Holotype female (HNHM): "Thailand, Tham Sakoen NP, No. 21, 29-31.11. 2003,

19°23'N 100°38'E- Peregovits, Földvári, Körösi, Szappanos & Maklári-Kis." A slightly damaged specimen, tip of right wing with tips of M fork broken off. Description - Measurements in mm: length of head 0.22, length of thorax 0.66, length of head and thorax together 0.84, total body length 3.55, wing length 2.74, wing breadth 0.94, length of proboscis 1.68, length of palpus maxillaris ca. 1.28, length of fore tibia 1.045, length of fore metatarsus 1.43. Frons and thorax dull dark, blackish brown, orbitalia, sides of mesonotum and prescutellar area grey dusted. Abdomen dark brown, tergites and sternites basally with narrow grey stripes, which slightly widen laterally. Eyes with evenly distributed short hairs; also medial ocellus present but minute. Scape, pedicel and five basal flagellomeres yellow, 6th to 8th flagellomeres black, 9th and 10th flagellomeres yellow, 11th to 13th flagellomeres black again and apical (14th and 15th) flagellomeres yellow again. Coxae dark, blackish, fore and mid femora dark grey, basal half of hind femur yellow, apical half dark brown. Tibiae darker dirty yellow, apical 1/5 of hind tibia blackish, fore and mid tarsi brown, hind tarsi dark brown, all tarsomeres yellow at both extreme tips. Tibial setulae in wellordered rows. Tibial spurs 1:2:2, mid tibial spurs subequal. Fore claws 0.065 mm long, thin, sharp, curved arched with a ca. 0.03 mm long ventrobasal second apex. Basal colour of wing rather light greyish brown. Costa and radial veins dirty yellow, other veins brown. Sc distinctly discernible, ends free. R, reaching to 1.45 mm from wing base, i.e. to middle of wing, R

5 joins costal vein far from apex of wing, costal vein distinct and abruptly ends at 3/4 of the section between R, and M, (0.47 mm from apex of R

5

). M,-M

2 fork nearly complete, their stalk present as colourless fold only. M

3+4 (cf. KRZEMINSKI & EVENHUIS 2000) distinct even below section of R,. Cu, almost reaching wing margin, apical part perpendicular to alar margin. Cu, straight, distinct almost to the curved part of Cu,. A, short but distinct, almost parallel to hind margin of wing, short, shorter than down-curved section of Cu,. Wing patterned as follow: an about 0.33 x 0.22 mm brown spot at middle of cu cell; a longish curved spot around apical part of Cu,, almost joining central spot; a darker round spot below apex of R„ which continues in a central apical-subapical spot covering apical parts of M

U3

, forming a blunt five-branched spot together with the R

5 spot. Two small round windows in M,_

2 fork and between M, and M

3 present. Halter 0.44 mm long, greyish. Female cerci liguliform, i.e. apex not pointed, longest hairs on cerci only 0.025 mm. Male unknown. Remarks - Lygistorrhina pentafida sp. n. is an easily recognizable species. It belongs to the species-group of the true Lygistorrhina, where flagellomeres are yellow-black patterned, namely L. chaoi L. PAPP, 2002 (Taiwan), L. cincticornis EDWARDS, 1926 (Borneo), L. pictipennis OKADA, 1937 (Japan), as well as L. legrandi MATILE, 1990 in the Afrotropical Region. The 6th to 8th and 11 th to 13th