PEAR PESTS. 



117 



blisters io form, which hinder the development of the 

 tree. There are two broods, one appearing in June and 

 July and the other in autumn, 



EEMEniES. — (1) Spray the fohage in June with Soft Soap 

 and Quassia (No. 14) or a Kerosene Emulsion (No. 16), 

 to prevent the moth laying its eggs. Piepeat in Septem- 

 ber. (2) Spray with Paiis Green (No. 11) directly the 

 blossoms fall. (3) Gather up and burn all fallen leaves. 



[1 hoto: H. A. Miiith. 

 PEAR J.1:a\i..- AllACKED BY THE BLISTER MITE. 

 The leaves have been badly blistered by the Pear-leaf Blister Mite (Eriophyes 

 pyri). 



(4) Dresis the soil with Apterite, Kilogrub, or Yaporite in 

 autumn. 



Pear Midg^e (I)iplosis pyrivora). — This insect is the 

 cause of the formation of distorted fruits wdien in an early 

 stage of development. The fly measures one-tenth of an 

 inch in length, has a blackish-grey body covered with 

 yellow or white hairs, and grey wings. The female is 

 larger than the male. She is provided with a long tube, 



