INJURIES OCCASIONED BY INSECTS IN DIFFERENT 

 PARTS OF IRELAND. 



An orange-coloured gnat {Tipula tritici K.),* be- 

 longing to the genus Cecidomyia of Latreille, fre- 

 quently proves ver)"^ destructive to the wheat crop, by 

 depositing its eggs in the centre of the corolla. The 

 loss occasioned by the young grub which is there 

 produced is unhappily too well known. In this dis- 



* For fipfures of tieo destructive species of Cecidomyia, see p. 25. 

 See also an article, by Mr. Westwood, on the Destructive Properties 

 of Insects, in Loudon's Gardener's JIagazine, No. 85, April, 1837. 



