i\rr. W. L. Distant 07i Ilomoptera. 329 



XLY\.—n/ii/nchotal Xotes.—XXYU. By W. L. Distant. 



HOMOPTERA. 



Fain. Cicadidae. 



Subfam. Cicadinjb (continued from p. 303). 



Division Cicadaria. 



In tliis division the lateral margins of the pronotura are 

 move or less convex, but not toothed ; the tegmina and wings 

 are quite clear, as in many species of the genus Cicada, or 

 semiopaque, as represented in the genus Cryptotympana; 

 the head is broad and (including eyes) always a little, and 

 generally considerably, wider than base of mesonotuin. 



Synopsis of Genera. 



A. Metasternum not or very slightly elevated, and not 



provided with a posterior process. 



a. Lateral margins uf the pronotum with a distinct 



anterior lobe Maerotristria. 



b. Lateral margins of pronotum without anterior 



lobe Cicada. 



B. Metastemum elevated at middle and f uraished with 



a posterior process directed backward Cryptotympana. 



Genus Macrotristria. 

 Maerotristria, StSl, (Efv. Vet.-Akad. Forh. 1870, p. 714. 

 Type, M. angularis, Germ. {Cicada). 



Maerotristria nigronervosa, sp. n. 



?. Head, pronotum, and mesonotum ochraceous ; head 

 with the face castaneous, ornamented with a piceous central 

 fascia and an oblique ochraceous spot on each side of base, 

 the area of the ocelli, inner margins of eyes, and narrow 

 basal margin black ; pronotura with two very small sub- 

 basal, central, black spots ; mesonotum with two central 

 obconical spots on anterior margin black, each with a small 

 ochraceous spot, the anterior margin on each side of those 

 spots also narrowly black ; abdomen above black, posterior 

 segmental margins narrowly ochraceous, the margin of the 

 sixth and base and apex of anal segment broadly ochra- 

 ceous; body beneath and legs ochraceuus, anterior and inter- 

 mediate tibiaj and tarsi castaneous, body more or less 

 Ann. (t Mag. X. Hist. Ser. 7. Vol. xiv. 23 



