NDLI: Population Dynamic of Blastopsylla occidentalis Taylor (Hemiptera: Psyllidae), a Psyllid Pest of Eucalypts

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Neotropical Entomology : Volume 44, Issue 4, August 2015

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Population Dynamic of Blastopsylla occidentalis Taylor (Hemiptera: Psyllidae), a Psyllid Pest of Eucalypts

Content Provider	Springer Nature Link
Author	Tamesse, J L
Copyright Year	2015
Abstract	Eucalypts host a variety of insect pests among which the psyllid Blastopsylla occcidentalis Taylor is responsible for the degeneration of eucalypt seedlings. This psyllid is present in Cameroon, but no record has been published on the study of its population dynamics and the main factors that regulate its population. Our study aimed to describe the numerical variation of psyllid population and to correlate these variations to the abiotic and biotic factors that may naturally regulate the population of this pest. This study was carried out in Yaounde (Cameroon) from August 2009 to July 2011. The survey took place once a week on 1-year-old 111 eucalypts. During the 2 years of study, a total of 52,341 males and 64,725 females were collected. The population of B. occidentalis showed three periods of psyllid outbreaks each year. Six and five psyllid generations were observed during the first and the second years, respectively. Among the climatic factors, the increase of relative humidity and rainfall led to a decrease of the number of psyllids on the host plant. The number of new buds on host plants was positively correlated with the number of psyllids infesting. Psyllid parasitoids and predators were identified. These results constitute an important step for the elaboration of an integrated pest management against the eucalypt psyllid in Cameroon.
Starting Page	504
Ending Page	512
Page Count	9
File Format	PDF
ISSN	1519566X
Journal	Neotropical Entomology
Volume Number	44
Issue Number	5
e-ISSN	16788052
Language	English
Publisher	Springer US
Publisher Date	2015-08-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Life Sciences Aphalaridae Entomology myrtaceae psylloidea Agriculture jumping plant lice
Content Type	Text
Resource Type	Article
Subject	Insect Science

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