BIOLOGY OF CHRYSOCHARIS PENTHEUS, AN ENDOPARASITOID WASP OF THE CITRUS LEAFMINER PHYLLOCNISTIS CITRELLA STAINTON

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MAFI SH.; OHBAYASHI N.

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Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2010 | Volume:12 | Issue:2 Page(s): 145-154

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Title

BIOLOGY OF CHRYSOCHARIS PENTHEUS, AN ENDOPARASITOID WASP OF THE CITRUS LEAFMINER PHYLLOCNISTIS CITRELLA STAINTON

Author(s)

MAFI SH. | OHBAYASHI N. | Issue Writer Certificate

Keywords

CHRYSOCHARIS PENTHEUSQ3

FECUNDITYQ3

LONGEVITYQ3

PHYLLOCNISTIS CITRELLAQ3

SEX RATIOQ3

Abstract

The biology of CHRYSOCHARIS PENTHEUS (Walker) (Hymenoptera: Eulophidae), the most abundant endoparasitoid of PHYLLOCNISTIS CITRELLA Stainton (Lepidoptera: Gracillariidae) in Ehime prefecture, Japan, was studied under laboratory and field conditions. The mean immature developmental time and adult LONGEVITY at different temperatures (22 to 31oC) under 50-70% RH decreased as the temperature increased, and females survived longer than males. The developmental threshold of male and female was 8.9oC and 11.9oC, respectively. The effective accumulative temperature (thermal constant) for males and females from egg to adult was 181.8 and 238.1 degree-days, respectively. C. pentheus appeared to be a synovigenic species. The offspring SEX RATIO from females provided with males was 73.8% males and 26.2% females. Presumably, mated females began oviposition 1-2 days after emergence and continued for up to 40 days. Females laid a mean of 118.2±10.10 eggs each, and their LONGEVITY reached 32.3±0.30 days at 27±1oC, 50-70% RH.The intrinsic rate of natural increase (rm) was 0.144. Host feeding or stinging without oviposition killed 65.7±8.65 P. citrella larvae per female. Oviposition in the field was highest (62.7%) on the third instar larva of P. citrella, with the rest on the prepupal stage (37.3%), showing a significant preference for third instars. The SEX RATIO (M:F) of C.pentheus reared from the third instar larvae of host and pupae was 3.3:1.0 and 1.0:3.0 respectively.

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APA: Copy

MAFI, SH., & OHBAYASHI, N.. (2010). BIOLOGY OF CHRYSOCHARIS PENTHEUS, AN ENDOPARASITOID WASP OF THE CITRUS LEAFMINER PHYLLOCNISTIS CITRELLA STAINTON. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 12(2), 145-154. SID. https://sid.ir/paper/62542/en

Vancouver: Copy

MAFI SH., OHBAYASHI N.. BIOLOGY OF CHRYSOCHARIS PENTHEUS, AN ENDOPARASITOID WASP OF THE CITRUS LEAFMINER PHYLLOCNISTIS CITRELLA STAINTON. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2010;12(2):145-154. Available from: https://sid.ir/paper/62542/en

IEEE: Copy

SH. MAFI, and N. OHBAYASHI, “BIOLOGY OF CHRYSOCHARIS PENTHEUS, AN ENDOPARASITOID WASP OF THE CITRUS LEAFMINER PHYLLOCNISTIS CITRELLA STAINTON,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 12, no. 2, pp. 145–154, 2010, [Online]. Available: https://sid.ir/paper/62542/en

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