. '■ \ . 



I 



1919] , Alexander: Japanese Crane-Flies 329 



Female — Length about 6.3 mm.; wing, 6.5 mm. 



Rostrum and palpi b^o^\^^. Antennae with the scapal segments pale 

 bro\vn; flagellum broken. Head light grey. 



Pronotum brownish grey. Mesonotal praescutum pale brownish 

 grey, with three pale brown stripes, the median stripe broad, the lateral 

 stripes indistinct; scutum pale, the lobes darker; scutellum and post- 

 notum heavily light grey pruinose, the latter with a darker median line. 

 Pleura pale, yellowish grey pruinose; a broad, very conspicuous, dark 

 brown stripe, extending from the propleura to the base of the abdomen, 

 passing above the fore cox^e and beneath the halteres. Halteres pale 

 yellow basally, the knobs dark bro\vn. Legs with the coxae and troch- 

 anters pale yellow; femora and tibiae pale brown; tarsi darker brown. 

 Wings greyish subhyaline; stigma rounded, brown; veins dark brown, 

 C, Sc and the veins at the wdng-base more yellowish. Venation: Sc 

 short, Sci ending a little beyond the origin of Rs, Sco exactly at the 

 origin; Rs less than twice the deflection of Ri+h] r-m about equal to m, a 

 little shorter than r; cell 1st Mi long, about twice the section of Cui 

 beyond it ; basal deflection of Cu\ immediately before the fork of M. 



Abdomen dark brown, the sternites more yellowish bro\\Ti. Ovi- 

 positor with the tergal valves slender, strongly upcurved; sternal 

 valves straight, the tips subacute. 



Habitat: Japan. 



Holotype, 9 , Choshi, Chiba, October 17, 1919, (R. Taka- 



hashi). 



Dicranomyia mesostemata sp. n. 



Antennae dark brown; head dark; mesonotum brownish black, the 

 pleura gray pruinose ; wings pale gray with four brown costal marks and 

 pale gray clouds along the cord and at the ends of the veins; Sc2 appar- 

 ently lacking. 



Female— Length, 7.3-8 mm.; wing, 8-8.4 mm. 



Rostrum and palpi dark brown. Antennae dark brownish black 

 throughout, the flagellar segments elongate-oval, with rather long 

 verticils. Head dark brownish gray. Vertex very narrow between the 

 large eyes. 



Pronotum conspicuous, browTi, narrowed anteriorly. Mesonotal 

 praescutum shiny brownish black, the humeral regions with a paler 

 brown pollen; remainder of the mesonotum browm, the scutal lobes 

 brownish black. Pleura shiny dark browmish black, light gray pruinose, 

 most heavily across the dorsal edge of the mesostemum, which is shiny 

 blackish between the fore and middle coxae. Halteres with the base of 

 the stem pale, the knobs dark brown. Legs with the coxae yellowish 

 brown, darkest on the fore coxae; trochanters diill yellow; femora brown, 

 paler basally, the tips dark brown; tibiae and tarsi dark brown. Wings 

 pale gray, with a heavy dark brown and bro^^^lish gray pattern, as 

 follows: four large brown areas along the costal margin, the first at 



