Paper Information

Journal:   APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY   September 2003 , Volume 71 , Number 1; Page(s) 103 To 113.
 
Paper: 

BIOLOGY OF PEAR MIDGE CONTARINIA PYRIVORA RILEY (DIP: CECIDOMYIIDAE) IN IRAN

 
 
Author(s):  KOLIAEI R.*
 
* Plant Pests and Diseases Research Institute Tehran
 
Abstract: 

Pear midge (Contarinia pyrivora Riley: Cecidomyiidae), is an insect that damage young pear fruits. It is the first record of this insect from Iran This pest has one generation per year and over winter as pupae at the depth of 5-8 cm in the soil. Under natural conditions, the adults appear in mid April when pears are flowering. Oviposition takes place on the flowers particularly on anthers. The eggs are whitish and very small in size, incubation period of which is about Mays. The larvae feed on seeds of the young fruits. The infested fruits are longer than uninfested ones. No. of larvae counted in each fruit were 12-15.

 
Keyword(s): PEAR PESTS, PEAR MIDGE, BIOLOGY
 
References: 
  • ندارد
 
  Persian Abstract Yearly Visit 119
 
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