With psyllids Horton and Landolt (2007) used a Y-tube olfactometer to show that males of the pear psylla
Cacopsylla pyricola (FAlrster) [Psyllidae] are attracted to volatile odors from female-infested or previously infested shoots.
Collier, who lives in East Wenatchee, owns a 6-acre pear orchard in the 2700 block of Malaga/Alcoa Highway, which, according to inspectors and enforcement agents of the Chelan-Douglas County Horticultural Pest and Disease Board, has been infested with codling moth, pear psylla
, fire blight and grape mealy bugs since 2012.
Response of summerform pear psylla
(Hemiptera: Psyllidae) to male- and female-produced odors.
May: Apply pear psylla
spray; check for insects; expect bloom from the middle to the end of the month.
Reports of significant to total suppression of such problems as plum curculio, Japanese beetles, pear psylla
, cedar apple rust, apple maggots and leaphoppers have come in from commercial and home orchards using the new nontoxic pest control product.
The cost of three to four applications of Surround is about equal to one application of the insecticide pear growers use against pear psylla
Use in summer to control aphids, pear psylla
, scale insects, mites, and eggs of some insects.
Anterior alimentary canal of the pear psylla
, Psylla pyricola Forester (Homoptera, Psyllidae).
Jay Brunner of the WSU Tree Fruit Research & Extension Center will discuss on Tuesday afternoon new research discoveries in the area of biological control and a pheromone for pear Psylla
, and new pest issues focusing on the spotted winged drosophila.
The esters are lethal--almost immediately--to nearly all the mites and soft-bodied insects such as whiteflies, aphids, thrips, and pear psylla
that they contact.
We've been able to fully control pear psylla
and pear rust mite and to suppress fabrea leaf spot--major problems for pear growers."
Liberibacter europaeus', which apparently behaves as an endophyte rather than as a pathogen, was found to be transmitted by the pear psylla
, Cacopsylla pyri (L.) (Raddadi et al.