你需要多少才能生存？完成埃及伊蚊发育的最低营养水平（直翅目：蚊科）

IF 1.2 4区环境科学与生态学 Q4 LIMNOLOGY

Limnetica Pub Date : 2023-07-31 DOI:10.23818/limn.43.16

G. Cozzer, Thiago Sendeski Lara, J. Dal Magro, D. Albeny‐Simões, Renan Souza Rezende

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引用次数: 0

摘要

埃及伊蚊幼虫在各种水生微生境中发育，包括盛水的轮胎、杯子和瓶子。这些环境的营养特征可能各不相同，这是幼虫和成年蚊子发育的重要因素。幼虫营养受损会导致发育失败或影响成虫的生长和繁殖能力。了解这些营养必需品有助于优化蚊子的实验室饲养。我们测试了16种（0、0.0013、0.0033、0.0066、0.0133、0.02、0.025、0.03、0.035、0.04、0.045、0.05、0.1、0.15、0.2、2 g/L）不同食物浓度的螺旋藻Alcon®幼虫日粮对埃及伊蚊幼虫存活和生活史特征的影响。实验在受控条件下进行，温度为27±2ºC，相对湿度为70–80%，光周期为12:12小时。在最初的1440只埃及伊蚊中，共有623只（43.26%）在实验期间死亡。不同食物浓度处理的存活曲线差异显著（卡方检验=1271，df=15，p＜0.001）。0.025（60/66.66%）和0.03g/L（67/74.45%）的存活率最低，0.15g/L（76/84.45%）最高。0.025和0.03g/L的浓度具有最短的幼虫发育时间（8.80；8.86天）和寿命（9.95；8.70天），但成虫尺寸最小的是0.025（3.00mm），最大的是0.03（3.15mm）。0.15g/L浓度的幼虫发育时间最长（9.59天），寿命最长（12.41天），成虫中等大小（3.09毫米）。埃及伊蚊的实验室存活率通常与低质量和低数量资源的高死亡率有关。营养压力被发现会损害幼虫的发育，以及成虫的体型和寿命。分析对不同喂养方式的反应对于理解幼虫发育的主要机制和优化蚊子饲养系统的要求很重要。

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How much do you need to survive? Minimal nutritional levels to complete the development on Aedes aegypti (Diptera: Culicidae)

Aedes aegypti mosquito larvae develop in various aquatic microhabitats, including water-holding tires, cups and bottles. These environments may vary in nutritional characteristics, an important factor for the development of larvae and resulting adult mosquitoes. Compromised larval nutrition can result in developmental failure or affect the growth and reproductive capacity of adults. Understanding these nutritional necessities can help optimize the laboratory rearing of mosquitoes. We tested the effects of sixteen (0, 0.0013, 0.0033, 0.0066, 0.0133, 0.02, 0.025, 0.03, 0.035, 0.04, 0.045, 0.05, 0.1, 0.15, 0.2, 2 g/L) different food concentration treatments of Spirulina Alcon® larval diet on larval survival and life history characteristics of Ae. aegypti. The experiment was conducted under controlled conditions, with a temperature of 27 ± 2ºC, relative humidity of 70–80 % and a photoperiod of 12:12 h. A total of 623 (43.26 %) of the initial 1440 Ae. aegypti individuals died during the experiment. Survival curves differed significantly among food concentration treatments (Chi-Square Test = 1271, df = 15, p < 0.001). The concentrations of 0.025 (60/66.66 %) and 0.03 g/L (67/74.45 %) had the lowest survival rates and 0.15 g/L (76/84.45 %) the highest. The concentrations of 0.025 and 0.03 g/L had the shortest larval development times (8.80; 8.86 days) and longevity (9.95; 8.70 days), but adult sizes were smallest for 0.025 (3.00 mm) and largest for 0.03 (3.15 mm). The concentration of 0.15 g/L had the longest larval development time (9.59 days) and longevity (12.41 days), with intermediate adult size (3.09 mm). Laboratory survival rates for Ae. aegypti are generally associated with high mortality on low-quality and low-quantity of resources. Nutritional stress was found to impair larval development, as well as adult size and longevity. Analyzing responses to different feeding regimes is important for understanding the main mechanisms involved in larval development and the requirements for optimizing mosquito rearing systems.

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来源期刊

Limnetica LIMNOLOGY-MARINE & FRESHWATER BIOLOGY

CiteScore

3.70

自引率

7.10%

发文量

审稿时长

>12 weeks

期刊介绍： Limnetica publishes original research articles on the ecology of inland waters. The scope of Limnetica includes the ecology of rivers, lakes, reservoirs, coastal lagoons and wetlands, as well as biogeochemistry, paleolimnology, development of new methodologies, taxonomy, biogeography and any aspect of theoretical and applied continental aquatic ecology such as management and conservation, impact assessment, ecotoxicology and pollution. Limnetica will accept for its publication scientific articles presenting advances in knowledge or technological development, as well as as papers derived from new practical approaches on the topics covered by the journal.