1,199. Of beetles destructive to roots and leaves may be 

 mentioned the cockchafers or kord-pokd (Melolonthini). The 

 curved fleshy grubs may be seen destroying the roots of 

 plants and the black or brown imagoes may be seen at night 

 feeding on leaves from March to June. There are two spe- 

 cies of Melolonthini that we have at Sibpur. The black one 



FlG. 66. COLEOPTERA. 



(a) Cincindela Sexpunctata. 



(6) Dermestes vulpinus. 



(c) Epilachna 28-punctata. 



(d) Cryptorhynchus mangifera. 

 (<?) Melolonthini. 



(/) Hispa aenescens. 



(g) Aulacophora abdominalis. 



(h) Opatrum depressum. 



(0 Chaetocmis basalis. 



is the Apogonia Blanchardi and the brown one Schizonycha 

 fuscescens (Fig. 66 e). The larvae live for about 4 years in 

 the ground, during the whole of which time it is engaged in 

 living on the fine roots of plants. Where there are large 

 tracts of uncultivated land the grubs can thrive unmolested 

 and the beetles can destroy cultivated crops in the 

 neighbourhood. But though cockchafers do a great amount 

 of damage in Russia and Southern Europe to agricultural 



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