78 INSECUTOR INSCITI^ MENSTRUUS 



Holotype, $ , Tattaka, altitude about 7,400 feet, August 17, 

 1921 (T. Esaki). 



Limnobia esakii, new species. 



General coloration yellow ; mesonotal praescutum with a 

 single dark brown stripe ; femora black with a conspicuous, 

 subterminal yellow ring; wings yellow, spotted and clouded 

 with brown ; Sc short, ending a short distance beyond the origin 

 of Rs; abdominal tergites brown, the sternites yellow, ringed 

 caudally with brown. 



Female. — Length, 8 mm. ; wing, 7.2 mm. 



Rostrum and palpi black. Antennae black, the apex of the 

 second scapal and base of the first flagellar segment indistinctly 

 paler ; antennae longer than usual in this genus. Head dark 

 brown, the anterior part of the vertex with an appressed gray 

 pubescence. 



Pronotum dark brown. Mesonotal praescutum yellow with 

 a broad, brown, median stripe that widens at the suture; 

 scutum dark brown, the median area pale; scutellum dark 

 brown, the anterior margin with a pale median spot ; postnotum 

 dark brown. Pleura yellow. Plalteres brown, the base of the 

 stem obscure yellow. Legs with the coxae and trochanters 

 yellow ; femora brownish black, very indistinctly paler at base ; 

 a conspicuous, subterminal yellow ring that is a little wider 

 than the black apex ; tibiae black, the extreme base indistinctly 

 pale; tarsi black. Wings tinged with yellow, more saturated 

 basally and on the cephalic portion ; a conspicuous, pale brown 

 pattern, arranged as follows : A large blotch near midlength 

 of cell i?; a conspicuous blotch at the fork of Rs, connected 

 along i?2+3 with the stigmal blotch ; cord and outer end of 

 cell 1st Mo narrowly seamed with brown ; stigma large, brown ; 

 small but darker brown spots at tip of Sc and origin of Rs; 

 wing-apex faintly infuscated, this including the distal half of 

 cell 2nd R^, R^, the distal two-thirds of R-, and most of cells 

 2nd M^ and M., ; a brown cloud along vein Cu; veins brown, 

 Sc more yellowish. Venation : Sc short, Sc^ ending just 

 beyond the origin of Rs, Sc^ at the tip of Sc-^^ ; Rs short, strongly 



