480 The Philippine Journal of Science 1923 



tennal scape pale green, the flagellum dark brown; flagellar 

 segments beyond the fourth cylindrical with conspicuous ver- 

 ticils. Head shiny dark brown, the inner margin of the eyes 

 obscure greenish. 



Mesonotal praescutum shiny obscure yellow with three dark 

 brown stripes, the median stripe broadly split by a pale line; 

 scutum obscure brownish yellow, each lobe with a conspicuous 

 dark brownish black blotch; scutellum black; postnotum ob- 

 scure brownish yellow. Pleura and sternum pale greenish. 

 Halteres elongate, dark brown, the extreme base of the stem 

 greenish. Legs with the coxae and trochanters pale green ; tibiae 

 and tarsi brown, the tips faintly darkened; tarsi dark brown. 

 Wings with a strong brown tinge; stigma small and narrow, 

 pale brown; veins dark brown, very conspicuous. Venation: 

 Sc 2 not far from the tip of Sc x ; tip of R, barely indicated; R, 

 entirely atrophied; deflection of R 4+5 longer than r-m; m and 

 outer deflection of M 3 subequal; basal deflection of <X about 

 two-thirds its length beyond the fork of M; cell 2d A very 

 narrow for a member of this genus. 



Abdominal tergites dark brown, the sternites obscure brown- 

 ish yellow. 



Habitat. — Formosa. 



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

 2,250 meters), August 19, 1921 (T. Esaki) . 

 Pselliophora igorota sp. nov. 



General coloration orange; antennal flagellum with only nine 

 segments ; tibiae yellow with about the middle half dark brown ; 

 wings yellow, the cells beyond the cord a little darker ; abdomi- 

 nal segments orange. 



Female.— Length, about 15 millimeters; wing, 15. Frontal 

 prolongation of the head orange; palpi reddish brown, the ter- 

 minal segment dark brown. Antennae with only eleven seg- 

 ments as in P. bicinctifer, the subterminal flagellar segments 

 almost globular; antennae orange-yellow throughout. Head ob- 

 scure orange. 



Mesonotal praescutum orange-yellow with three ill-defined 

 reddish stripes, the median stripe broader and better defined; 

 remainder of the mesonotum obscure orange. Pleura obscure 

 orange. Halteres obscure orange. Legs with the coxae and 

 trochanters obscure orange; femora yellow with the extreme 

 tips indistinctly darker; tibiae obscure yellow with more than 

 the central half dark brown; metatarsi brownish yellow, the 



