Study of the food-searching activity by smell in diving beetles of Cybister Curtis, 1827 and Hydaticus Leach, 1817 (Coleoptera: Dytiscidae) including the use of a microwave Doppler radar

IF 0.5 4区 农林科学 Q4 ENTOMOLOGY
Toshio Inoda, Kohei Watanabe
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引用次数: 0

Abstract

AbstractTo investigate how four species of Cybister Curtis, Citation1827 and one species of Hydaticus Leach, Citation1817 (Coleoptera: Dytiscidae) detect food, insects were provided with dried sardines using traps made by a three-dimensional printer. More than 83% of the beetles found the sardine hidden in the trap. When the two traps were set in an aquarium—one contained a dried sardine before extraction with boiled water, and another contained a dried sardine after extraction—more than 90% of beetles were caught in the trap with the sardine before extraction. In contrast, less than 3% of beetles entered the trap with the sardine after extraction. No feeding preference was found between the sardines before and after extraction. A microwave Doppler radar was used to quantitatively detect the behaviour using broth extracted from the sardines, and the broth enhanced the food-searching activity. These results suggest that these beetles use smell to find food, and their searching activities are induced by smell.Keywords: Attractiveness of fooddetection of foodfood-searching behaviourmicrowave Doppler radarthree-dimensional printed trap AcknowledgementsThe article will be dedicated to my (T. Inoda) beloved dog, Miku, she passed away (July 14, 2022) at nine years old. She has always watched me conduct this research. The authors thank Y. Miyazaki for help with insect (Cybister rugosus) collection.Disclosure statementNo potential conflict of interest was reported by the authors.
用微波多普勒雷达研究了1827年Cybister Curtis和1817年Hydaticus Leach的潜水甲虫(鞘翅目:踏虫科)的嗅觉觅食活动
摘要为了研究4种Cybister Curtis (Citation1827)和1种Hydaticus Leach (Citation1817)(鞘翅目:蝶蛾科)对食物的探测能力,采用三维打印机制作的捕蝇器对干沙丁鱼进行捕蝇。超过83%的甲虫发现沙丁鱼藏在陷阱里。当在一个水族箱中设置两个陷阱时——一个在用沸水提取前装有干沙丁鱼,另一个在提取后装有干沙丁鱼——超过90%的甲虫在提取前与沙丁鱼一起被捕获。相比之下,只有不到3%的甲虫在提取后随沙丁鱼一起进入陷阱。提取前后的沙丁鱼均无摄食偏好。采用微波多普勒雷达定量检测沙丁鱼肉汤的行为,肉汤增强了寻找食物的活性。这些结果表明,这些甲虫利用气味来寻找食物,它们的搜寻活动是由气味引起的。关键词:食物吸引力食物搜索行为探测微波多普勒雷达三维打印陷阱致谢本文将献给我(T. Inoda)心爱的狗,Miku,她于2022年7月14日去世,享年9岁。她一直看着我进行这项研究。作者感谢Y. Miyazaki对昆虫(Cybister rugosus)收集的帮助。披露声明作者未报告潜在的利益冲突。
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来源期刊
Aquatic Insects
Aquatic Insects 生物-昆虫学
CiteScore
2.00
自引率
25.00%
发文量
27
审稿时长
>12 weeks
期刊介绍: Aquatic Insects is an international journal publishing original research on the systematics, biology, and ecology of aquatic and semi-aquatic insects. The subject of the research is aquatic and semi-aquatic insects, comprising taxa of four primary orders, the Ephemeroptera, Odonata, Plecoptera, and Trichoptera but also aquatic and semi-aquatic families of Hemiptera, Coleoptera, and Diptera, as well as specific representatives of Hymenoptera , Lepidoptera, Mecoptera, Megaloptera , and Neuroptera that occur in lotic and lentic habitats during part of their life cycle. Studies on other aquatic Hexapoda (i.e., Collembola) will be only accepted if space permits. Papers on other aquatic Arthropoda (e.g., Crustacea) will not be considered, except for those closely related to aquatic and semi-aquatic insects (e.g., water mites as insect parasites). The topic of the research may include a wide range of biological fields. Taxonomic revisions and descriptions of individual species will be accepted especially if additional information is included on habitat preferences, species co-existing, behavior, phenology, collecting methods, etc., that are of general interest to an international readership. Descriptions based on single specimens are discouraged. Detailed studies on morphology, physiology, behavior, and phenology of aquatic insects in all stadia of their life cycle are welcome as well as the papers with molecular and phylogenetic analyses, especially if they discuss evolutionary processes of the biological, ecological, and faunistic formation of the group.
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