22,5 Alexander: Crane Flies from Formosa and Luzon 473 



Habitat. — Formosa. 



Holotype, male, Tattaka, altitude about 7,400 feet (about 

 2,250 meters), August 16, 1921 (T. Esaki). 

 Xipholimnobia formosensis sp. nov. 



General coloration pale brown, the mesonotal scutellum and 

 postnotum dark brown, dusted with gray; pleura brown with 

 a narrow, longitudinal, silvery gray stripe; legs brown; wings 

 with a uniform brown tinge; distal section of R x entirely atro- 

 phied ; abdomen dark brown, the valves of the ovipositor a little 

 less than one-half the length of the abdomen. 



Female. — Length, about 4 millimeters: wing, 3.5. Rostrum 

 and palpi brown. Antennae pale brown. Head brown. 



Mesonotal prsescutum pale brown, the median area of the 

 scutum light gray, the lobes concolorous with the prsescutum; 

 scutellum and postnotum dark brown, sparsely dusted with 

 gray. Pleura brown with a narrow, longitudinal, silvery gray 

 stripe extending to the base of the abdomen. Halteres with 

 the sternites obscure yellow, the knobs dark brown. Legs with 

 the coxse small, testaceous; trochanters testaceous; remainder 

 of the legs brown. Wings with a uniform brownish tinge; 

 stigma lacking; veins pale brown. Venation: Sc long, Sc x end- 

 ing about opposite four-fifths the length of the long Rs, Sc, 

 subobsolete, a short distance from the tip of Sc,, the latter 

 alone about equal to m; distal section of R t entirely atrophied 

 as in the genus, the vein appearing to end in R 2 ; r provided 

 with two macrotrichse; Rs in alignment with R 2+3 ; basal sec- 

 tion of R 2 perpendicular; inner ends of cells R 3 , R s , and 1st 

 M, in alignment; cell 1st M 2 gently widened distally, m and the 

 outer deflection of M 3 subequal ; basal deflection of Cu x near four- 

 fifths the length of the caudal face of cell 1st M 2 . 



Abdomen dark brown, the valves of the ovipositor concolor- 

 ous. Ovipositor with the valves a little less than half the 

 length of the abdomen, long and straight as in the genus. 



Habitat. — Formosa. 



Holotype, female, Kanshirei, altitude about 1,000 feet (about 

 300 meters), September 10, 1921 (T. Esaki). 



Xipholimnobia formosensis agrees closely with the genotype, 

 X. terebrina Alexander, of West Africa, and there is no doubt 

 as to the correctness of the generic reference. The chief vena- 

 tional peculiarities of the genus are the atrophy of the distal 



