底物盐度和pH对蓝舌病病毒载体游隼库蠓生活史性状的影响。

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Bulletin of Entomological Research Pub Date : 2023-12-01 Epub Date: 2023-11-24 DOI:10.1017/S0007485323000512
Paramita Banerjee, Ankita Sarkar, Abhijit Mazumdar
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引用次数: 0

摘要

库蠓(双翅目:蠓科)的生境选择受温度、pH、盐度、湿度、电导率、基质有机和无机化合物等理化因素的影响。这些因素决定了病媒生物的生活史特征。在实验室条件下,研究了基质盐度(0 ~ 40 ppm, ppt)和pH (pH 1 ~ 13)对异角库蠓产卵、卵孵化、幼虫存活率和成虫羽化的影响。大多数卵(80.74%)产自0 ppt, 95%产自pH 7,但随盐度和pH水平的增加而降低。在30 ~ 40 ppt的盐度下,雌鱼不产卵;pH值1和pH值13但有趣的是高达95%的卵子留在了腹部。盐度和pH值在5 ppt和10 ppt以下对卵孵化的影响不大,但在极端值40 ppt和pH值1、pH值13时除外。在高盐度(30ppt和40ppt)的培养皿中,虽然孵育的卵很少,但未发生化蛹。在低盐度(0 ~ 2 ppt)条件下,成虫羽化率先高后低。当饲养介质为碱性时,羽化率最高。本研究探讨了在不同盐度和pH值条件下,潜山菖蒲(C. peregrinus)繁殖基质的适宜性。我们的研究表明,在实验室饲养该媒介物种期间,环境盐度和pH范围应保持不变。
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Effect of substrate salinity and pH on life history traits of the bluetongue virus vector Culicoides peregrinus.

Habitat selection of Culicoides spp. (Diptera: Ceratopogonidae) is influenced by the physicochemical factors such as temperature, pH, salinity, moisture, conductivity, organic and inorganic compounds of substrates. These factors determine the life history traits of the vectors. We studied the influence of substrate salinity (0-40 parts per thousand, ppt) and pH (pH 1-13) on oviposition, egg hatching, larval survivability, and adult emergence of Culicoides peregrinus Kieffer under laboratory conditions. Most eggs (80.74%) were laid in 0 ppt and 95% in pH 7 but lowered with increased salinity and pH levels. It was observed that the females did not lay eggs in 30 ppt to 40 ppt salinity; pH 1 and pH 13 but interestingly up to 95% of the eggs were retained within the abdomen. Little effect of salinity and pH on egg hatching was observed up to 5 ppt and 10 ppt except at the extreme values of 40 ppt and pH 1, pH 13. Pupation did not occur in rearing plates with high salinities, 30 ppt and 40 ppt, although the few eggs hatched when exposed to such salinity. In low salinity (0 to 2 ppt), occurrence of adult emergence was more and then decreased with increasing salinity. Maximum emergence was seen when the rearing media was alkaline. This study deals with the suitability of breeding substrate of C. peregrinus when exposed to salinity and pH ranges. Our study suggests the ambient salinity and pH ranges to be maintained during laboratory rearing of this vector species.

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来源期刊
CiteScore
4.00
自引率
0.00%
发文量
160
审稿时长
6-12 weeks
期刊介绍: Established in 1910, the internationally recognised Bulletin of Entomological Research aims to further global knowledge of entomology through the generalisation of research findings rather than providing more entomological exceptions. The Bulletin publishes high quality and original research papers, ''critiques'' and review articles concerning insects or other arthropods of economic importance in agriculture, forestry, stored products, biological control, medicine, animal health and natural resource management. The scope of papers addresses the biology, ecology, behaviour, physiology and systematics of individuals and populations, with a particular emphasis upon the major current and emerging pests of agriculture, horticulture and forestry, and vectors of human and animal diseases. This includes the interactions between species (plants, hosts for parasites, natural enemies and whole communities), novel methodological developments, including molecular biology, in an applied context. The Bulletin does not publish the results of pesticide testing or traditional taxonomic revisions.
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