3 i8 



SOME SOUTH INDIAN INSEi lS, ET< 

 METRIONA Sp. 



Distribution. — South 

 Arcot, T i n n e v e 1 1 y ; 

 throughout the year. 



Lifehistory. — Not 

 known. 



Foodplant. — Sweet 



Potato. 



Status. — Scarcely a 

 pest. 



FIG. 17C- -Metriona sp. The outline figure 

 shows the natural size, (< (riginal.) 



CERAMBYCID/E. 



DORYSTHENES ROSTRA I ( IS, Fb. 



Prionus rostratus, 

 Fab, Ent. Syst., I, 2, 



p. 243 0/92). 



Dorysthenes rostratus, 

 Gahan, Faun. Incl. 

 Ceramb., pp. 6 7. t'. 1. 



Distribution. Coim- 

 batoi > In < letober and 

 November. 



Lifehistory. - Not 

 known. 



Foodplant. - Larva 

 probably bores in trees. 



Status. Not known 

 to b< .1 pest. 



Remarks. Often 



comes in to light in 

 very large numbers at 

 the beginning of the 

 North-Easl Monsoon. 



Fig. 171. Dorysthenes rostratus, from a living specimen with jaws opened. 

 The lower figure shows the incurved position assumed by the jaws after death 



below the thorax. « >riginal.) 



