1920] Alexander: Crane Flies From Formosa 269 



Abdominal tergites grayish, with a brown median stripe, the caudal 

 margins of the segments paler. Abdomen comparatively long and 

 slender. Ovipositor with the tergal valves slender, smooth; sternal 

 valves compressed, slightly shorter than the tergal valves. 



Habitat: Formosa. Holotype, 9 , Koshun, April 25-May 

 25, 1918 (J. Sonan, K. Miyake and M. Yoshino), No. 1323. 



Tipula nova Walker. 



1848. Tipula nova Walker; List Diptera British Museum, Part 1, p. 71. 

 1911. Tipula fumif as data Brunetti; Rec. Indian Museum, vol. 6, p. 250. 

 1916. Yamatotipula nohirce Matsumiira; Thousand Ins. Japan, Addit. 2, p. 461. 



One male, Taito, Formosa, February 25-March 27, 1919 

 (S. Inamura, J. Sonan, and M. Yoshino), No. 1323. The 

 synonomy of T. nohirce with T. nova is due to a communication 

 from Mr. Edwards. 



Tipula pluriguttata sp. n. 



Antennal scape yellow; head and thorax gray with a capillary 

 brown median line extending from the vertical tubercle to the base 

 of the abdomen; wings yellowish gray, the base and the costal region 

 more yellowish; cell R^ small; abdomen yellow, the tergites with three 

 dark brown stripes, the sternum with a conspicuous median stripe. 



Female — Length, lG-17 mm.; wing, 15.5-17 mm. 



Frontal prolongation of the head dark brown, more yellowish 

 laterally; palpi dark brown. Antennae with the basal four or five 

 segments yellowish, the remaining segments indistinctly bicolorous; in 

 some specimens, only the scape is yellow, the flagellar segments being 

 almost uniformly dark. Head dull gray with a capillary brown line. 



Mesonotal praescutum dull gray, more buffy laterally, the three 

 usual stripes darker gray, the interspaces but little paler; median 

 praescutal stripe split by a capillary brown line that broadens out at the 

 scutum, extending thence to the abdomen; praescutal interspaces with 

 numerous dark brown dots surrounding setigerous punctures; scutum 

 gray, the median area brown, the lobes bilineate with brown ; scutellum 

 with the median area buffy, dark brown medially; postnotum obscure 

 gray, the median line brown. Pleura buffy, sparsely pruinose. Halteres 

 brownish yellow. Legs with the coxae and trochanters buffy yellow; 

 femora obscure yellow, with a comparatively narrow dark brown ring 

 before the narrow tips; tibiae obscure yellow, the tips narrowly dark 

 brown; tarsi dark brown. Wings faintly yellowish gray, the wing-base 

 strongly yellow, cells C and Sc yellow; stigma elongate, brown; a narrow 

 brownish seam along Cu; veins dark brown. Venation: Rs long, 

 straight, lying close to R; R2+3 in alignment with R3; cell R2 very small, 

 the apex of vein Ri pale, subatrophied, without macrotrichiae ; r very 

 long, much longer than R2 beyond it, provided with about thirteen 



