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MISCELLANEA RHYNCHOTALIA.— No. 7. 

 By G, W. Kirkaldy. 



Fam. Tetigoniid^ (including MEMBRACiNiE) . 

 Cyrtoisa, Fitch = Cyrtosia, 8tii\= Cyrtolobus, Goding. 

 This genus was spelt as above by Fitch, and is not preoccupied. 



Fam. FuLGORiD^, 

 Cathedra, gen. nov. 

 Head subhorizontal, slightly upcurved at the apex, where it is 

 acutangular and simple (instead of being trilobate as in Phrictiis, 

 Spinola) ; head also much longer than in the latter genus, and is 

 laterally multidentate, the teeth being acutely triangular ; the vertex 

 is somewhat obtusely spinose below the eyes, sublaterally, while in 

 Phrictiis it is provided with a strong, acute, upcurved spine on each 

 side. Pronotum much flatter than in Spinola's genus, the posterior 

 margin truncate and not spinose. Elytra more pointed apically, the 

 costa more arched, and the costal area broader. 



Type, P. SERRATA (Fabricius), which, apart from the struc- 

 tural differences, has a very different colour-appearance from 

 Phrictiis diadema (Linne), the only species of that genus, as 

 scrrata is of Cathedra, known to me ; the latter is figured bv 

 Stoll, 1788, " Gicaden," pi. 29, figs. 170 and A. Stal includes ft 

 in his genus Latcrnaria {=Fidgora, Linn., Kirk.), an obvious 

 lapsus. 



Perkinsiella, gen. nov. 



Closely allied to Arceopus, Spinola, but distinguished by 

 the first segment of the antennae being distinctly shorter than 

 the second ; distinguished from Dicranotropis, Fieber, to which 

 it bears some resemblance, by the form of the frons, and by the 

 flattened apically dilated first segment of the antennae. Type, 

 P. saccharicida, Kirkaldy. 



Second segment of antennal peduncle about one-half longer than 

 the first ; flagellum about one-third longer than the entire peduncle, 

 first peduncular segment much wider at apex than basally, flattened 

 and explanate ; second segment nearly as wide at base as the apex of 

 the first segment [in Arccopxis it is much narrower, while the first seg- 

 ment is more parallel-sided] . Exterior longitudinal nervure of corium 

 forked near the base, and its exterior branch forked near its middle ; 

 interior longitudinal nervure forked near the apex. Membrane with 

 six nervures, the fourth (commencing inwardly) forked ; the first area 

 has an incomplete nervure reaching only to the middle. Other cha- 

 racters as in Ariwpus. 



P. SACCHARICIDA, Sp. HOV. 



Long-idnged form, ^ $ . Tegmina elongate, narrow, extending far 

 beyond apex of abdomen, interior half of clavus and corium more or 



p2 



