24 NEW OR LITTLE-KNOWN CRANE-FLIES FROM ,1APAN 



black, the appendages pale brown. Ovipositor reddish yellow, short and 

 stumpy, the tergal valves short-triangular; sternal valves short and blunt, 

 the tips down-curved. 



Habitat—Japan. Holotype, d", Saitama, May 29, 1919, (R. 

 Takahashi). Allotype, 9 , Meguro, Tokio, May 24, 1919, (R. 

 Takahashi). Paratopotype, 9 , May 30, 1919. 



Nephrotoma contrasta is readily told from the closely related 

 A^. pullata (Alexander) by the yellowish scutellum and post- 

 notum, the punctiform or short -petiolate base of cell M , and other 

 characters. 



Nephrotoma palloris (Coquillett) 



1S9S. Pachi/rhinn palloris Coquillett, Proc. U. S. Nat. Mus., xxi, p. 306. 

 1914. Pachijrhina palloris Alexander, Can. Ent., xlvi, pp. 159, 160. 



1917. Pachyrhina palloris Riedel, Arch, fur Naturgesch., Abt. A, 5, p. 116. 



1918. Pachijrhina palloris Riedel, Ann. Mus. Nat. Hung., xvi, p. 320. 

 The male sex may be separated from the female as follows : 

 Allotype.— d', Megm-o, Tokio, Japan, May 26, 1919, (R. Taka- 

 hashi) . 



Similar to the female sex, differing as follows: 



Antennae rather elongate, if bent backward extending about to the base 

 of the abdomen, the three basal segments yellow, the flagellum indistinctly 

 bicolorous, the basal enlargement of the segments being a slightly darker 

 brown than the pedicels. 



Mesonotal praescutum with the median stripe indistinctly bifid, especially 

 anteriorly. A small isolated opaque black spot opposite the anterior ends 

 of the lateral stripes. 



Abdominal tergites trivittate with black. Male hypopygium with the 

 ninth tergite slightly tumid, the caudal margin very broadly emarginate; 

 eighth sternite very gently emarginate. 



Nephrotoma geminata new species 



Antennae with the scape yellow, the flagellum dark brown; occipital area 

 small, brown; mesonotum yellow, the praescutum with three black stripes, 

 a faint isolated opaque spot opposite the anterior ends of the latend stripes; 

 scutellum and postnotum yellow, the latter with two large black spots on 

 the caudal margin; wings pale brownish yellow, the stigma pale; abdomen 

 reddish yellow, the tergites narrowly trivittate with black. 



Male. — Length, about 11.5 mm.; wing, 10.3 mm. 



Female. — Length, 14 mm.; wing, 11.6 mm. 



P'rontal prolongation of the head short, dull yellow, tlu; dorso-median 

 area dark brownish black; palpi pale brown. Antennae with the two basal 

 segments yellow, the flagellum dark brown ; flagellar segments in the male sex 

 moderately elongated, feebly incised beyond the basal swelling. Front 

 and ant rior part of the vertex sulphur-yellow, remainder of the head orange- 



