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 ) menglunensis sp. nov. ( Figs. 31–40 ) Diagnosis. Face yellow, with nose-like process on middle of basal half. Scutellum with a pair of brown spots converge with mesonotum posterior margin spot and basal spot of 3st post-sutural acr . Male genitalia ( Figs. 36–40 ): surstylus consist of 1 anterior process and 1 posterior process; anterior process with setae, digitiform; posterior apical process along ventral apex extending out in lateral view. Description. MALE. Body length 2.2–2.3 mm , wing length 2.5–2.6 mm . FEMALE. Unknown. Head ( Fig. 31 ) pale yellow. Face yellow, with nose-like process on middle of basal half and with 2 brown transverse bands on middle and ventral margin; parafacial with 1 short brown band on middle of inner margin and with 1 elliptic brown spot on inner margin apically. Frons brownish yellow except anterior margin yellow, with grayish white pruinescence, wider than long, trapeziform, anterior margin narrower than the posterior, with a pair of narrow brown median bands, extending to ocellar triangle, disappear at anterior of occiput; ocellar triangle blackish brown, oc developed, longer than anterior or ; anterior or longer than half length of posterior or ; oc each with 1 blackish brown basal spot. Gena about 1/5 eye height. Occiput with gray pruinescence. Antenna yellow, 1 st flagellomere brown except yellow basally, nearly 1.4 times longer than high; arista blackish brown except yellow basally, pubescent. 1 brown triangular spot present between antenna and eye. Proboscis yellow to brownish yellow, with yellow and black hairs; palpus yellow except pale brown at apex, with black hairs. FIGURES 31–35. Trypetisoma ( Trypaneoides ) menglunensis sp. nov. Male. 31. head, anterior view; 32. wing; 33. habitus, lateral view; 34. thorax, dorsal view; 35. abdomen, dorsal view. FIGURES 36–40. Trypetisoma ( Trypaneoides ) menglunensis sp. nov. Male. 36. syntergosternite and epandrium, lateral view; 37. epandrial complex, posterior view; 38. syntergosternite, anterior view; 39. aedeagal complex, ventral view; 40. aedeagal complex, lateral view. Scale 0.1 mm. Thorax ( Fig. 34 ) brown, with grayish yellow pruinescence. Mesonotum with 1 narrow brown median band indistinctly, extending from anterior margin to anterior of scutellum, posterior margin with a pair of triangular brown spots, postpronotum with posterior margin surrounded by 1 thin brown band, 3–4 brown spots present between dc and supra-alar seta; posterior margin with a pair of spots; 1+3 dc , 1st post-sutural dc near transverse scutal suture, presutural dc closer to anterior margin than presutural acr ; 1+3 acr (exclude prescutellar acr ), in 2 rows; prescutellar acr absent; 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, a pair of brown spots converge with mesonotum posterior margin spot and basal spot of 3st post-sutural acr , 1 brown spot present in apical scutellar seta. Leg yellow, femora brown except pale yellow at apex, tibiae with 1 brown circle near base. Fore femur with 5 pd , 4 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. 32 ) anterior margin brown, with circular or irregular brown spots; 1 wide brown band along dm-cu extending from anterior margin to the posterior and with hyaline spots irregularly; subcostal cell brown; costa with 2nd, 3rd and 4th sections in proportion of 9.9: 3.3: 2.2; r-m beind middle of discal cell; ultimate and penultimate sections of M 1 in proportion of 6.7: 3.4; ultimate section of CuA 1 about 1/7 of penultimate section. Halter pale yellow except knob brown. Abdomen ( Fig. 35 ) blackish brown, with grayish white pruinescence, syntergosternite and epandrium yellow; tergites 2–6 each with 5 pairs of posterior margin setae, 4 pairs of grayish white spots, anterior margin with gayish white median spots, forming 1 discrete grayish white median longitudinal band. Male genitalia ( Figs. 36–40 ): syntergosternite semicircular and narrow in anterior view. Epandrium narrow apically and broad basally, trapeziform. Surstylus consist of 1 anterior process and 1 posterior process; anterior process broad with setae, digitiform; posterior apical process narrow, along ventral apex extending out in lateral view, incurved in posterior view. Hypandrium Y-shaped, with long inner process. Gonopod tubiform, longer than aedeagus, with 1 long hair basally, short hairs on apical half. Aedeagus with a pair of ventral sclerites, ventral sclerites connected by dorsal sclerites, with 1 median spine in interior in ventral view, 1 long ventral process basally in lateral view. Aedeagus deep concave apically. Aedeagus inner process tubiform, broad in ventral view but narrow in lateral view, shorter than aedeagus. Type material. Holotype ( HAUST ): 1 ♂, CHINA , Yunnan : Xishuangbanna, Menglun No. 55 area ( 920 m ), 2007. IV. 24 , Wenliang Li . Paratypes ( HAUST ): 1 ♂, CHINA , Yunnan : Xishuangbanna, Menglun No. 55 area ( 920 m ), 2007. IV. 24 , Hui Dong . Distribution. China ( Yunnan ). Remarks. The new species is very similar to Trypetisoma ( Trypaneoides ) morio (de Meijere, 1910) from Indonesia , but the latter wing with at least 20 dark spots and blotches in cell cua 1 . Etymology. Latin, menglunensis , referring to the type locality Yunnan , Menglun.