344 



Insect Pests. 



Later the frnitlets crack and then decay. Many fall to the ground 

 with the maggots within them, bnt in certain years all the maggots 

 escape whilst the frnitlets still hold on to the trees. 



The distribution of this fly in Bntaui is wide. It has been reported 

 from Sussex, Surrey, Kent, Devonshire, Herefordslnre, Worcester- 

 shire, Cambridgeshh-e, Huntingdonshire, Dorsetshire, Somerset,shire, 

 (-41oucestershire; Cumberland and CarnarN'onshire liy varrous corre- 

 spondents. Ormerod (6) records it from Xorfolk, Lancashire and 



*^ 



FK;. 22i;.— I'K.Vi: FJUTTLETS ATTA<'KEli UY PK.Vr. MIPCE. 



Cardigansldre ; and Carpenter (20) from Ireland. Cn the Continent 

 it is widely distriliuted, and it also occurs in the United States 

 ("i, 11, l."i, r.i), where it is tliought to ha^•e been introduced from 

 France in 1877. 



All A'arieties of pears seem to be attacked, Ijoth the flue dessert 

 and the coarse perry pears suffer alike. The latter trees, which grow 

 to a great height in "Worcestershire and Herefordshire, arc attacked 

 all the May up, just as much as small bush trees. j\h'. liagg reports 

 from Eeigate tlial all varieties arc attacked there, save an old- 



