Geoffrion, R., & Goix, J. 1978 La cochenille rouge du poirier. [The red oyster shell scale of pear trees.].. Phytoma 30(294): 3-4.
Notes: The economic importance, damage, biology and chemical control recommendations of Diaspis leperii.
Geoffrion, R., & Goix, J. 1978 La cochenille rouge du poirier. [The red oyster shell scale of pear trees.].. Phytoma 30(294): 3-4.
Notes: The economic importance, damage, biology and chemical control recommendations of Diaspis leperii.