Matsumuka : A List of the Japanese and Formosan Cicadidae, with Description ig^ 



Thousand Ins. Jap. Vol. I, p. 2 ii , t. 17, f. lo (1904.) 

 Hab. — Hokkaido, Honshu, Shikoku, Kiushu, Formosa; China. 

 Nom. Jap. — Nini-zemi. 

 var. formosan n. 



Differs from the type as follows : — 



Double row of the apical s|3ots to the tegmina distinct, those of the first, second 

 and third being the largest and often contiguous, nearly in the same level with 

 smaller spots of the fourth and sixth veins, which are not connected mostly with 

 any other spot or streak. 



Hab. — Formosa (Koshun, Keibi, Hoppo) ; 8 (5 J, 3 $) specimens in my 

 collection. 



2. Platypleura kuroiwae n. sp. 



Nearly allied to P. kacuipfcri F., but differs from it as follows ; — 

 Body much smaller ; pronotal angles rounded, not obtusely angled ; opercula 

 fuscous, at the extreme margin narrowly olivaceous yellow; subapical fasciate 

 fuscous spot narrower and more obliquely situated, running parallel to the double 

 row of the apical spots; double row of the apical spots much smaller, those of the 

 second and third being the largest, not touching each other in the middle of the 

 second apical area, nearl)- in the same level with the fourth, fifth and sixth, each 

 spot at the apices of the longitudinal veins being much smaller and of a roundish 

 form, which is wanting at the apex of the second vein; marginal membrane of the 

 wings much broader. 



Length — excl. tegm. 18-19 mm; exp. tegm. 56-61 mm.; breadth between 



the pronotal angles 1 1 mm. 

 Hab. — Okinawa (Naha) ; 5 J specimens collected by Mr. K. Kuroiwa. 

 Nom. Jap. — Kiirohva-Ni-ni. 



var. takasagona n. 



Differs from the type as follows : — 



Central fuscous stripe to tlic proiiotum very narrow in the middle ; apical 

 double spots to the tegmina smaller, only those of the first, second and third 

 longitudinal veins conspicuous. 



Hab. — Formosa (Kiirun); 2 J specimens in my collection. 



