Temperature-dependent effects on some biological aspects of two ectoparasitoids of Phyllocnistis citrella (Lepidoptera: Gracillariidae)

IF 2.1 3区 农林科学 Q1 ENTOMOLOGY Egyptian Journal of Biological Pest Control Pub Date : 2023-09-14 DOI:10.1186/s41938-023-00736-6
Muhammad Irfan Ullah, Muhammad Arshad, Sajjad Ali, Hafiz Muhammad Aatif, Syed Muhammad Ali Zahid, Nimra Altaf
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Abstract

Abstract Background Temperature alters host suitability for the development of parasitoids through direct (thermal effect) and indirect (parental effect) pathways. The effects of three temperature regimes on the development and survival of two parasitoid species, Citrostichus phyllocnistoides (Narayanan) and Cirrospilus ingenuus Gahan (Eulophidae: Hymenoptera) of the citrus leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae) was evaluated. The experiment was conducted at 20, 25, and 30°C temperatures with 65 ± 2% relative humidity (R.H.) and 16h: 8h (L: D) photoperiod. Results In C. phyllocnistoides , the pre-ovipositional period was longer at 20°C, while non- significant difference was observed in the pre-ovipositional period of C. ingenuus under the effect of different temperatures ( P > 0.05). The ovipositional period of C. phyllocnistoides and C. ingenuus was higher at 20°C and gradually decreased by increasing the temperature. Non- significant ( P > 0.05) difference was found in post-ovipositional period of both parasitoid species. Both species exhibited the maximum fecundity at 25°C, while, the minimum fecundity was recorded at 30°C. However, the adult longevity of both parasitoid species was highest at 20°C and gradually decreased by increasing the temperature. In both parasitoids, the parasitism rate was highest at 25°C. Conclusion This study highlighted the importance of thermal effects on some parasitoid species of insect pests to predict the future of trophic dynamics in global warming situations.
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温度对柑桔叶蝗两种体外寄生蜂生物学特性的影响(鳞翅目:纤毛虫科)
温度通过直接(热效应)和间接(亲本效应)途径改变寄主对拟寄生蜂发育的适宜性。研究了3种不同温度对柑桔叶螨(鳞翅目:细叶蛾科)中两种寄生蜂——叶根卷叶蛾(Citrostichus phyllocnistoides, Narayanan)和叶根卷叶蛾(Cirrospilus ingenuus Gahan)发育和存活的影响。实验温度分别为20、25和30℃,相对湿度为65±2%,光周期为16h: 8h (L: D)。结果在20℃条件下,毛竹的产卵期较长,而不同温度条件下,毛竹的产卵期无显著差异(P >0.05)。在20°C时,叶状假丝蛾产卵期较长,随着温度的升高,产卵期逐渐缩短。非显著性(P >两种寄生蜂产卵后期差异均为0.05)。两种植物在25°C时繁殖力最大,在30°C时繁殖力最小。两种寄生蜂的成虫寿命在20℃时最高,随温度的升高而逐渐降低。在25℃时,两种寄生蜂的寄生率最高。结论本研究强调了热效应对部分拟寄生性害虫的影响,对预测全球变暖条件下的营养动态具有重要意义。
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来源期刊
CiteScore
4.90
自引率
16.70%
发文量
128
审稿时长
>12 weeks
期刊介绍: The Egyptian Journal of Biological Pest Control is a periodic scientific journal published by the Egyptian Society for Biological Control of Pests (ESBCP) in collaboration with SpringerNature. The journal aims to publish internationally peer-reviewed, high-quality research articles in the field of biological and integrated pest control (non-chemical control). The journal publishes review articles, original papers, conference reports, book reviews, editorials, laboratory reports, technical notes and short communications.
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