1,196. Of carnivorous bet ties may be mentioned the 

 following: (i) Cicindela sexpunctata (Fig. 660) called in 

 Bengali Dhdmsa-pokd, which is a tiger-beetle (Cicindelidae), 

 devours Hispa aenescens and Leptocorisa acuta. The head 

 of this insect is large; eyes very large and prominent; 

 mandibles large and sharply pointed and armed with several 

 prominent teeth. The elytra are spotted and long. The 

 size is about \ an inch in length. (2) Calosoma orientale 

 which is a ground-beetle (carabidae), an active black beetle, 

 about the size of a small cockroach $ it feeds on other insects, 

 and has been reported as very useful in the Punjab in des- 

 troying young locusts. (3) Trogosita mauritanica, a small 

 brown beetle which feeds on Tineid moths which are a 

 granary pest. But in its larval stage the Trogosita does 

 some injury to stored wheat. (4) Dermestes vulpinus (Fig. 

 66 b\ called in Bengali Kdn-kutur, the larvae being called, 

 Shore-pokd, is a dark coloured beetle, about J" in length 

 with hairy larvae, which preys on silkworms and spoils co- 

 coons, by feeding on the chrysalids. (5) Lady-birds (cocoine- 

 elidae) called in Bengali Pedo-pokd, are hemispherical 

 beetles often brilliantly coloured, which are helpful in 

 devouring scale-insects (coccidae), plant-lice (aphidae) and 

 other insects. There is one member of this family of 

 beetles, however, viz., Epilachna viginti-octo-punctata (Fig. 

 66 c] which defoliates pumpkin vines, and brinjal plants. 

 Of scarabidse or dung beetle, may be mentioned here, the 

 Catharseus sabaeus (gubre-pokd). 



1,197. Of warehouse beetles, may be mentioned the 

 following : (i) Silvanus surinamensis belonging to the family 

 Cucujidae, a little brown beetle, with active white grubs, which 

 has been found destroying stored sorghum seed and biscuits. 

 It is also to be seen in date fruits bought in the Calcutta 

 bazaars. (2) ^Ethriostoma undulata, belonging to the family 

 Dermestidae, a little brown beetle with white hairy grubs, 

 which arc baid to be destructive to wheat stored iu godovvni.. 



