INVESTIGATION ON THE PROTECTION OF NIPAECOCCUS VIRIDIS (NEW.) BY CREMATOGASTER ANTARIS (FOREL) (HYM.: FORMICIDAE) AGAINST TWO WASP PARASITOIDS ON CITRUS IN DEZFUL

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SOLEYMANNEZHADIAN E.; DEZHAKAM M.

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Paper Information

Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2001 | Volume:23 | Issue:2 Page(s): 53-69

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Title

INVESTIGATION ON THE PROTECTION OF NIPAECOCCUS VIRIDIS (NEW.) BY CREMATOGASTER ANTARIS (FOREL) (HYM.: FORMICIDAE) AGAINST TWO WASP PARASITOIDS ON CITRUS IN DEZFUL

Author(s)

SOLEYMANNEZHADIAN E. | DEZHAKAM M. | Issue Writer Certificate

Keywords

CREMATOGASTERQ4

NIPAECOCCUSQ4

MEALYBUGSQ2

SYMBIOSISQ3

BIOLOGICAL CONTROLQ3

Abstract

The effect of symbiotic relationships between the ant, CREMATOGASTER antaris and the mealybug, NIPAECOCCUS viridis on parasitism induced by Anagyrus agraensis and A. dactylopii (How.) (Hym.: Encyrtidae) was investigated in a citrus orchard and laboratory condition in 1996 - 1997. A selection of 10 lemon trees infested by mealybug was carried out in an orchard located in Dezful, south west of Iran. The trees were so selected that the ant’s activity was observed on five, and the rest were free of ant activities. To keep ant away from the trees, a piece of sacking soaked in 5% carbaryl solution was tied up around the trunks. Samples consisting of five shoots per tree were taken in spring and autumn. Adults and immature stages of the mealybug were dissected under stereomicroscope. The mean percent parasitism on the two different groups of trees compared by t - test. A.agraensis and A. dactlopii on NIPAECOCCUS viridis ofther collecting from the trunk of a lemon tree. NIPAECOCCUS are common host for these Parazitoids which were reared on pumpkin. Two experiments were separately conducted for the both wasps in a completely randomized design with 11 treatments and 4 replicates. Each treatment consisted of 20 adult MEALYBUGS, 0 to 10 ants and 3 pairs of the same age wasp for 24 hours. After 4 days the MEALYBUGS were dissected and the results were statistically analyzed. In nature, the percent parasitism of all mealybug stages was higher on ant - free lemon trees than those with ants, both in the spring and in autumn. The trend of percent parasitism increased by increasing the number of ants in the laboratory. However, no difference was observed between the control and treatments of 1-4 ants. These results confirmed the protection of the mealybug against parasitoids by C. antaris. The negative effect of symbiotic ants on population suppression of MEALYBUGS must be considered in IPM programs.

Cites

FAUNA OF SYMBIOTIC ANTS WITH THE SOUTHERN MEALYBUG, NIPAECOCCUS VIRIDIS NEW. (HOM: PSEUDOCOCCIDAE), ON CITRUS IN KHUZESTAN

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APA: Copy

SOLEYMANNEZHADIAN, E., & DEZHAKAM, M.. (2001). INVESTIGATION ON THE PROTECTION OF NIPAECOCCUS VIRIDIS (NEW.) BY CREMATOGASTER ANTARIS (FOREL) (HYM.: FORMICIDAE) AGAINST TWO WASP PARASITOIDS ON CITRUS IN DEZFUL. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 23(2), 53-69. SID. https://sid.ir/paper/24750/en

Vancouver: Copy

SOLEYMANNEZHADIAN E., DEZHAKAM M.. INVESTIGATION ON THE PROTECTION OF NIPAECOCCUS VIRIDIS (NEW.) BY CREMATOGASTER ANTARIS (FOREL) (HYM.: FORMICIDAE) AGAINST TWO WASP PARASITOIDS ON CITRUS IN DEZFUL. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2001;23(2):53-69. Available from: https://sid.ir/paper/24750/en

IEEE: Copy

E. SOLEYMANNEZHADIAN, and M. DEZHAKAM, “INVESTIGATION ON THE PROTECTION OF NIPAECOCCUS VIRIDIS (NEW.) BY CREMATOGASTER ANTARIS (FOREL) (HYM.: FORMICIDAE) AGAINST TWO WASP PARASITOIDS ON CITRUS IN DEZFUL,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 23, no. 2, pp. 53–69, 2001, [Online]. Available: https://sid.ir/paper/24750/en

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