88 



EUMASTACIN^. 



Fig. 76. — Erianthus bifidus. 



pronotum strongly ridged, 

 rectangular beyond the 

 middle, and pointed beliind. 

 Tegmina slightly widened 

 towards the apex, and trun- 

 cated at the tip, hyaline, 

 broadly brown along the lon- 

 gitudinal nervures, brownish 

 towards the base, and with 

 the outer third brown, 

 marked with two or three 

 irregular hyaline spots. 

 Wings transparent, witli the 

 ti|) vei'y acute and brown, 

 l^ront femora broadened and 

 flattened ; hind femora 

 strongly serrated above ; 

 hind tibiae with a large 

 triane;ular excrescence near 



the base, and with numerous short spines, interrupted by a few 

 longer ones ; the legs are black, with paler spots, and the tibial 



spines are mostly black, but 

 the appendage and the 

 spines placed on the pale 

 spaces are pale. Antennae 

 short, the basal half whitish, 

 except the second joint which 

 is black ; the outer half is 

 brown. 



Length 15 mm. ; expanse 

 of tegmina, 25 mm. 

 Ceylon : Kandy. 



Fig. 77. — Erianthus hifidus (larva). 



Type in the British Museum. 

 Taken 26th July, 1910: also 

 Octeber. 



larvae in June, July, and 



96. Erianthus guttatus, Westw. 



Mastax guttata, Westwood, Arcana Ent. i, 1841, p. 100, pi. xxvi, 



fig. 3. 

 Erianthus guttatus, Bruimer, Abh. Senckenb. Ges. xxiv, 1898, 



pp. 222, 223. 

 Erianthus versicolor, Brumier, op. cit. pp. 222, 224. 



Blackish, face and head below the eyes more or less yellow. 

 Tastigium of the vertex erect, pointed ; antennae thickened in 

 the male, filiform in the female. Pronotum nearly smooth, with 

 a slight median carina, and obtusely angulated behind ; the sides 

 broadly and the extremity narrowly yellow. Tegmina brown, the 

 interspaces subhyaline, and tw^o large white spots, one on the 

 costa near the tip and the other at five-sixths of the length 



