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253396

STUDIES ON PREDATORY INSECTS ATTACKING PURPLE AND FLORIDA RED SCALES ON ORANGE TREES.

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Last updated: 04 Jan 2025

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Abstract

The efficiency of predator insects of the diaspidid species, Lep < /em>idosaphes
beckii New and Chrysompha/us aonidum populations (Linn.) was evaluated on
orange trees during the two SIJC~eSS!ve seasons 1996/1997 and 1997/1998. During the course of study, five predators were found associated with the
purple scale, L. beckii and Florida red scale, Ch. aonidum populations on the infested
orange leaves. Chi/ocorus bipustu/atus was the main dominant predator, it had two
peaks of abundance on May and October, while the other predators showed two
peaks of abundance in spring and autumn in both years of study. Predators attacking L. beckii recorded three periods of activity annually in
spring, summer and autumn, respectively. The lowest activity period was in winter.
The percentage of predation all over the year was 9.S±3.6 and 10.6±4.0% for the first
and second year, respectively. Meanwhile, it showed two periods of activity on C.
aonidum during spring and autumn. The percentage of predation allover the year
was 9.3±3.0 and 9.4±3.S% for the first and second year, respectively. Ch. bipustu/atus adults showing relatively higher searching rate in comparison
with C. undecimpunctata under laboratory and field conditions. In addition to C.
undecimp < /em>unctata exhibited relatively higher matual interference values than Ch.
bip < /em>ustu/atus.

DOI

10.21608/jppp.2002.253396

Authors

First Name

Laila

Last Name

Abd-Allah

MiddleName

A.

Affiliation

Econ. Entomol. Dept., Fac. of Agric., Mansoura Univ.

Email

-

City

-

Orcid

-

First Name

A.

Last Name

Abd EI-Kareim

MiddleName

L.

Affiliation

Econ. Entomol. Dept., Fac. of Agric., Mansoura Univ.

Email

-

City

-

Orcid

-

First Name

H.

Last Name

Fathy

MiddleName

M.

Affiliation

Econ. Entomol. Dept., Fac. of Agric., Mansoura Univ.

Email

-

City

-

Orcid

-

First Name

S.

Last Name

Moustafa

MiddleName

A.

Affiliation

Econ. Entomol. Dept., Fac. of Agric., Mansoura Univ.

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City

-

Orcid

-

Volume

27

Article Issue

2

Related Issue

36041

Issue Date

2002-02-01

Receive Date

2022-08-07

Publish Date

2002-02-01

Page Start

1,255

Page End

1,264

Print ISSN

2090-3677

Online ISSN

2090-3758

Article File

JPPP_Volume 27_Issue 2_Pages 1255-1264.pdf

PDF . 4.5MB

Link

https://jppp.journals.ekb.eg/article_253396.html

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https://jppp.journals.ekb.eg/service?article_code=253396

Order

2

Type

Original Article

Type Code

888

Publication Type

Journal

Publication Title

Journal of Plant Protection and Pathology

Publication Link

https://jppp.journals.ekb.eg/

MainTitle

STUDIES ON PREDATORY INSECTS ATTACKING PURPLE AND FLORIDA RED SCALES ON ORANGE TREES.

Details

Type

Article

Created At

22 Jan 2023