68 APPENDIX. — FULGORID.B. 



Genus DIOSTROMBUS to replace Drona. (Vol. Ill, p. 305.) 



Diostrombus, TThler, Proc. Kat.Mus. T^.-S'. 1896, p. 283 ; Mnii;BulL 



Exp. Stat. Haw. Plant. Assoc, xii, 1913, p. 80. 

 Drona, Dist. Faun. Brit. Lid., Rhynch. iii, p. 305 (190G). 



Mr. Muir {supra) has recently examined a cotjpe of Uhler':^ 

 genus contained in the National Museum, Washington, and 

 states that he cannot separate it from the genus I proposed 

 under tlie name of Drona. Diostrombus was proposed for a 

 Japanese species, and that must be accepted as the type. 



Type, D. politus, Uhler. 



The distribution now extends over the Oriental and Ethiopian 

 Eegions, and also includes Japan. 



Diostrombus carxosus. 

 Drona carnosa (vol. iii, p. 305, fig. 14G). 



Add : Hah. Bengal ; Shripur, Chapra (Mad-enzie), Nagpur 

 (Govt. Farm, R. E. A'.), Monghyr {Jenl-ins, Lid. J/ks.), United 

 Provinces ; Allahabad (B. Lord, Lid. 2h(s.). Sikkim ; Sukna, 

 500 feet (N. Annandale, Lid. Mvs.). 



At Nagpur this species was found on maize. 



DlOSTRO^IBUS PENNATUS. 



Drona peunata, List. (vol. iii, p. 30(5). 



Diostrombus peimatus, Midr, Bull. Exp. Stat. Haiv. Plant. Assoc. 

 xii, 1913, p. 80. 



Add : Hah. Java {]\Ldr). 



Genus ROBIGUS 

 Eobigiis, Dist. A. M. N. H. (8) viii, p. G41 (1911). 



Type, B. sanrjuineus, Dist. 



Distribution. Ceylon. 



Head narrow, vertex strongly projecting in front of eyes, 

 a little broadened anteriorly, the lateral margins distinctly acutely 

 raised, the apical angles slightly prominent ; face long and narrow, 

 the lateral margins distinctly raised, longer than clypeus which is 

 centrally ridged ; pronotum narrow, tiie lateral margins ampliated 

 and distinctly foruardly produced on each side of eyes ; mesonotum 

 tricarinate ; abdomen with the segmental incisures profound, above 

 with the apical area narrowed and angulated ; legs of moderate 

 length, posterior tibia) not spined ; tegmina more than three times 

 as long as broad, with distinct series of apical and subapical cells, 

 two longitudinal cells at end of radial area, and above these the 

 contour of the costal margin is distinctly broken by an irregular, 

 raised, longitudinal, cellular interspace ; the tegminal apices are 



