SEASONAL CHANGES IN POPULATION OF THE PEAR LACE BUG, STEPHANITIS PYRI F. (HETEROPTERA: TINGIDAE), AND IDENTIFICATION OF ITS NATURAL ENEMIES IN WEST AZARBAIJAN APPLE ORCHARDS

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AKBARZADEH SHOUKAT GH.A.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:15 | Issue:4 Page(s): 91-100

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Title

SEASONAL CHANGES IN POPULATION OF THE PEAR LACE BUG, STEPHANITIS PYRI F. (HETEROPTERA: TINGIDAE), AND IDENTIFICATION OF ITS NATURAL ENEMIES IN WEST AZARBAIJAN APPLE ORCHARDS

Author(s)

AKBARZADEH SHOUKAT GH.A. | Issue Writer Certificate

Keywords

NATURAL ENEMIESQ3

PARASITOIDQ3

PEAR LACE BUGQ2

POPULATION DYNAMICSQ3

PREDATORQ2

Abstract

The seasonal change of population of the PEAR LACE BUG, Stephanitis pyri F. (Heteroptera: Tingidae), was studied in Kahriz Horticultural Station of Orumieh by weekly sampling of 100 leaves collected at random from 25 marked apple trees and counting the number of adults and nymphs during 1998-99. The host range, distribution and some biological characteristics of the pest were studied and its NATURAL ENEMIES were identified. The results revealed that the emergence of adults of the PEAR LACE BUG from overwintering sites and feeding on newly expanded leaves begins during mid May peaks in late May. Oviposition occurs one week after adult emergence. Eggs begin to hatch in early June with a peak in late June. Adults of the first generation begin to appear in late June. From this time on, adults as well as nymphs can be found on the leaves. The PEAR LACE BUG is distributed in orchards of the province. Damage was observed on apple, pear, cherry, sour cherry, quince, hawthorn and almond, the later beeing a new host for Iran. The bug overwinters as adults mainly under fallen leaves. The egg PARASITOID Parallellaptera panis Enock, PREDATORy bugs Stethoconus japonicus Schumacher, Orthotylus nasatus Fabricius, Zelus sp., Deraeocoris sp. and Chrysopa sp. were collected and identified as NATURAL ENEMIES of the PEAR LACE BUG. P. panis Enock., S.japonicus Schumacher and 0. nasatus Fabricius are new for the Iranian insect fauna.

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APA: Copy

AKBARZADEH SHOUKAT, GH.A.. (2006). SEASONAL CHANGES IN POPULATION OF THE PEAR LACE BUG, STEPHANITIS PYRI F. (HETEROPTERA: TINGIDAE), AND IDENTIFICATION OF ITS NATURAL ENEMIES IN WEST AZARBAIJAN APPLE ORCHARDS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 15(4), 91-100. SID. https://sid.ir/paper/28958/en

Vancouver: Copy

AKBARZADEH SHOUKAT GH.A.. SEASONAL CHANGES IN POPULATION OF THE PEAR LACE BUG, STEPHANITIS PYRI F. (HETEROPTERA: TINGIDAE), AND IDENTIFICATION OF ITS NATURAL ENEMIES IN WEST AZARBAIJAN APPLE ORCHARDS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;15(4):91-100. Available from: https://sid.ir/paper/28958/en

IEEE: Copy

GH.A. AKBARZADEH SHOUKAT, “SEASONAL CHANGES IN POPULATION OF THE PEAR LACE BUG, STEPHANITIS PYRI F. (HETEROPTERA: TINGIDAE), AND IDENTIFICATION OF ITS NATURAL ENEMIES IN WEST AZARBAIJAN APPLE ORCHARDS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 15, no. 4, pp. 91–100, 2006, [Online]. Available: https://sid.ir/paper/28958/en

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