EUIAKTHUS. 



89 



of the hind margin; liind margin regularly oblique. Wings 

 hvaline, clouded towards the extremities. Abdomen much 

 thickened before the extremity, and tlie lower valves in the 

 female thick and strongly recurved. 



Length 17-18 mm. ; expanse of tegmina, 32-42 mm. 



Burma: Karen Hills, Pegu; Mj;.lay States: Singapore; 

 Cambodia; Sumatra; Philtppi:xes. 



Tijpe in the British Museum ; that of E. versicolor in the 

 collection of Brunner von Wattenwyl. 



Westwood does not mention, nor represent in his figure, 

 the yellow borders of the proiiotum. 



97. Erianthus lugiibris, Bmnn. 



Erianthus luqiihru, Brunner, Abli. Renckenb. Ges. xxiv, 1898, 

 pp. 22:?, 22'o ; Saussure, Rev. Suisse Zool. xi. 1903, pp. 78, 83. 



Olive-brown, face and under surface pale yellow. Fastigium 

 of the vertex short, obtuse. Prouotum rounded at the tip, and 

 sharply carinated above. Tegmina narrow , parallel-sided, uniform 

 chestnut-brown ; wings blackish, with wliite spots and markings 

 towards the tip, or brownisli hyaline, ^^•ith blackish Mhite-spotted 

 tips . 



Length 30 ram., tegmina, 17-21 mm. 



SiKKIM, 



98. Erianthus defloratus, Brunn. 



Erianthus defloratus, Brunner, Ann. Mus. Genova, xxxiii, 1893, 

 p. 116; id., Abh. Senckeub. Ges. xxiv, 1898, pp. 222, 221; 

 Saussure, Rev. Suisse Zool. xi, 1903, pp. 78, 81. 



Chestnut-brown, face oUve, sides of prouotum often yellowish. 

 Tastigium of the vertex obtuse, carinated. Median carina of 

 prouotum acute, but not lobate. Tegmina brown, more or less 

 subhyahne towards the base, and with or without a subhyaline 

 spot at three-quarters of the inner margin ; \\ings yellowish. 

 Hind femora unspotted. 



Length 18 mm. ; tegmina, 19 mm. 



Burma ; Bhamo. 



Type in the Genoa Museum. 



99. Erianthus acutipennis, Sauss. 



Erianthus acutipennis, Saussure, Rev. Suisse Zool. xi, 1903, p. 78, 

 pi. iii, fig'. 8. 



Uniform chestnut-brown, Fastigium of the vertex raised, 

 rather pointed, rugose in front. Prouotum strongly carinated, 

 rectangular and truncated behind. Tegmina hooked and pointed 

 at the tip, with two hyaline spots. Wings yellowish hyaline, 

 darker towards the extremity, ^ith two hyaline spots : tlie hind 



