First record of the genus Trypetisoma Malloch, 1924 (Diptera, Lauxaniidae) for China with nine species Author Li, Wenliang Author Qi, Ling Author Yang, Ding text Zootaxa 2019 2019-05-17 4608 1 35 64 journal article 26798 10.11646/zootaxa.4608.1.2 bc689683-8dd5-442e-90a6-adbb7221aad6 1175-5326 2944225 ADCC06EA-72DC-4867-A933-9F7E7330E277 Trypetisoma ( Trypaneoides ) fenestrata (de Meijere, 1910) ( Figs. 11–20 ) Diagnosis. Face with 1 V-shape median brown spot. Antenna brownish yellow to blackish brown, 1 st flagellomere yellow basally. Mesonotum with 2 narrow median brown band. Male genitalia ( Figs. 15–20 ): syntergosternite slen- der, incomplete circular in anterior view, breakage connected by membrane. Description. MALE. Body length 2.1–2.4 mm , wing length 2.6–2.8 mm . FEMALE. Body length 2.2–2.3 mm , wing length 2.4–2.5 mm . Head ( Fig. 11 ) pale yellow. Face brownish yellow with 1 V-shape median brown spot and with 1 brown spot on ventral margin; parafacial with 1 elliptic brown spot on apical margin. Frons brownish yellow except anterior margin yellow, with grayish white pruinescence, wider than long and anterior margin narrower than the posterior, trapeziform, with a pair of narrow brown median bands, extending to ocellar triangle; ocellar triangle blackish gray, oc developed, longer than anterior or ; anterior or about half length of the posterior, and each with 1 blackish brown basal spot. Gena about 1/5 eye height. Occiput with gray pruinescence. Antenna brownish yellow to blackish brown, 1 st flagellomere yellow basally and nearly 1.4 times longer than high; arista blackish brown except yellow basally, pubescent. 1 brown triangular spot present between antenna and eye. Proboscis pale yellow, with yellow and black hairs; palpus yellow except pale brown at apex, with black hairs. Thorax ( Fig. 14 ) brown, with grayish yellow pruinescence. Mesonotum with 2 narrow median brown band indistinctly, extending from anterior margin to anterior of scutellum, postpronotum with posterior margin surrounded by 1 thin brown band, 3–4 brown spots between dc and supra-alar seta; 1+3 dc , 1st post-sutural dc near transverse scutal suture, presutural dc closer to anterior margin than presutural acr ; 1+3 acr , in 2 rows; prescutellar acr broken; dc , acr and prescutellar acr each with 1 brown basal spot. Anepisternum and katepisternum with gray pruinescence, anepisternum with 2 brown spots near dorsal margin, 1 brown spot near ventral margin, 2 anepst (the strongest one near posterior margin) and 3–4 short hairs; 2 kepst . Scutellum with grayish yellow pruinescence. Leg yellow, femora pale brown except pale yellow at apex, tibiae with 1 brown circle near base, apical tarsi brown. Fore femur with 5 pd , 3 pv ; fore tibia with 1 long dp , 2 short apv . Mid femur with 5 a, 1 app ; mid tibia with 1 strong dp , 1 apv . Hind femur with 2 apv on apical half, 1 preapical ad ; hind tibia with 1 dp , 1 short apv . Wing ( Fig. 12 ) anterior margin brown, posterior margin gray gradually; r-m and apical R 2+3 each with 1 hyaline transverse band, extending from anterior margin to the posterior; r 1 and r 3 cell each with 3 hyaline spots; with 1 hyaline apical spot between R 4+5 and M 1+2 ; posterior margin with circular or irregular hyaline spots; subcostal cell brown; costa with 2nd, 3rd and 4th sections in proportion of 9.7: 3.5: 2.2; r-m beind middle of discal cell; ultimate and penultimate sections of M 1 in proportion of 6.9: 3.6; ultimate section of CuA 1 about 1/6 of penultimate section. Halter pale yellow except knob brown. Abdomen ( Fig. 15 ) blackish brown except syntergosternite and epandrium brown, with grayish white pruinescence; tergites 2–6 with 1 row setae on posterior margin. Male genitalia ( Figs. 16–20 ): syntergosternite slender, incomplete circular in anterior view, breakage connected by membrane. Epandrium slender. Surstylus broad with seta, tapering apically. Hypandrium H-shaped with a pair of distinct inner process. Gonopod tubiform, wider than aedeagus in lateral view, with 3 long hairs. Aedeagus slender basally, with a pair of dorsal sclerites, without apical concave. Aedeagal apodeme tubiform, shorter than 1/2 length of aedeagus. Material examined. ( HAUST ) 1 ♂, CHINA , Yunnan : Xishuangbanna, Mengla, Bubeng village, 2009. V. 9 , Tingting Zhang. 1 ♂, CHINA , Yunnan : Xishuangbanna , Mengla , Bubeng village , 2009. V. 11 , Tingting Zhang ; 1 ♂, 1 ♀ , CHINA , Yunnan : Xishuangbanna , Shangyong , Longmen , Jinglong village , 2007. V. 1 , Hui Dong ; 1 ♂ , CHINA , Yunnan : Xishuangbanna , Shangyong , Longmen Reserve ( 900 m ), 2007. V. 2 , Hui Dong ; 1 ♂ , CHINA , Yunnan : Xishuangbanna , Mengla , yaoqu village, 2007. IV. 26 , Wenliang Li ; 2 ♂♂ , CHINA , Yunnan : Xishuangbanna , Men- glun, No. 55 area ( 920 m ), 2007. IV. 21 , Hui Dong ; 1 ♂ , CHINA , Yunnan : Menglun , Lushilin ( 600 m ), 2007. IV. 21 , Hui Dong ; 1 ♂ , CHINA , Yunnan : Menglun , Botanical garden, Tropical Rainforest , 2007. IV. 22 , Hui Dong ; 2 ♂♂, 1 ♀ , CHINA , Tibet : Linzhi , Motuo ( 1100 m ), 2012. VII. 28 , Xuankun Li ; 4 ♂♂, 2 ♀♀ , CHINA , Tibet : Linzhi , Motuo ( 1100 m ), 2012. VII. 28 , Wenliang Li ; 1 ♂ , CHINA , Tibet : Linzhi , Motuo , Beibeng village ( 700 m ), 2012. VII. 30 , Xuankun Li ; 1 ♂, 1 ♀ , CHINA , Tibet : Linzhi , Motuo , Beibeng village ( 700 m ), 2012. VII. 30 , Wenliang Li ; 1 ♀ , CHINA , Yunnan : Gongshan , Xianjiudang ( 1679 m ), 2013. VII. 3 , Xuankun Li ; 1 ♂ , CHINA , Yunnan : Xi- shuangbanna, Menghai , Mangao Reserve , 2011. VII. 30 , Tao Li ; 1 ♂ , CHINA , Yunnan : Xishuangbanna , Menglun, No. 55 area ( 920 m ), 2009. V. 6 , Xiushuai Yang . FIGURES 11–15. Trypetisoma ( Trypaneoides ) fenestrata (de Meijere, 1910) . Male. 11. head, anterior view; 12. wing; 13. habitus, lateral view; 14. thorax, dorsal view; 15. abdomen, dorsal view. Distribution. China ( Yunnan , Tibet ), Indonesia , Japan , Malaysia . Remarks. The new species is very similar to Trypetisoma ( Trypaneoides ) semicircularis sp. nov. from the Oriental region, but the latter wing r 3 cell with 4 hyaline spots, 2m 2 cell with more than 10 hyaline spots, tergites with bands; this species wing r 3 cell with 3 hyaline spots, 2m 2 cell with less than 10 hyaline spots, tergites without band.