Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva

Abstract Many organisms live in the soil but only a little is known about their ecology especially movement style. Scarab beetle larvae do not have appendages to shovel soil and their trunk is thick compared to their body length. Hence, their movement through the soil is perplexing. Here, we establi...

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Autores principales:	Haruhiko Adachi, Makoto Ozawa, Satoshi Yagi, Makoto Seita, Shigeru Kondo
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f5bfb1ac484d445baa411134630f3ad9
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spelling	oai:doaj.org-article:f5bfb1ac484d445baa411134630f3ad92021-12-02T16:08:06ZPivot burrowing of scarab beetle (Trypoxylus dichotomus) larva10.1038/s41598-021-93915-02045-2322https://doaj.org/article/f5bfb1ac484d445baa411134630f3ad92021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93915-0https://doaj.org/toc/2045-2322Abstract Many organisms live in the soil but only a little is known about their ecology especially movement style. Scarab beetle larvae do not have appendages to shovel soil and their trunk is thick compared to their body length. Hence, their movement through the soil is perplexing. Here, we established the observation and analysis system of larval movement and found that the last larval instars of Trypoxylus dichotomus burrow in two different ways, depending on the hardness of the soil. If the soil is soft, the larvae keep their body in a straight line and use longitudinal expansion and contraction; if the soil is hard, they flex and rotate their body. It is thought that the larvae adapt to diverse soil conditions using two different excavation methods. These results are important for understanding the soil ecology and pose a challenge to engineer of newer excavation technology.Haruhiko AdachiMakoto OzawaSatoshi YagiMakoto SeitaShigeru KondoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Haruhiko Adachi Makoto Ozawa Satoshi Yagi Makoto Seita Shigeru Kondo Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
description	Abstract Many organisms live in the soil but only a little is known about their ecology especially movement style. Scarab beetle larvae do not have appendages to shovel soil and their trunk is thick compared to their body length. Hence, their movement through the soil is perplexing. Here, we established the observation and analysis system of larval movement and found that the last larval instars of Trypoxylus dichotomus burrow in two different ways, depending on the hardness of the soil. If the soil is soft, the larvae keep their body in a straight line and use longitudinal expansion and contraction; if the soil is hard, they flex and rotate their body. It is thought that the larvae adapt to diverse soil conditions using two different excavation methods. These results are important for understanding the soil ecology and pose a challenge to engineer of newer excavation technology.
format	article
author	Haruhiko Adachi Makoto Ozawa Satoshi Yagi Makoto Seita Shigeru Kondo
author_facet	Haruhiko Adachi Makoto Ozawa Satoshi Yagi Makoto Seita Shigeru Kondo
author_sort	Haruhiko Adachi
title	Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
title_short	Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
title_full	Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
title_fullStr	Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
title_full_unstemmed	Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva
title_sort	pivot burrowing of scarab beetle (trypoxylus dichotomus) larva
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f5bfb1ac484d445baa411134630f3ad9
work_keys_str_mv	AT haruhikoadachi pivotburrowingofscarabbeetletrypoxylusdichotomuslarva AT makotoozawa pivotburrowingofscarabbeetletrypoxylusdichotomuslarva AT satoshiyagi pivotburrowingofscarabbeetletrypoxylusdichotomuslarva AT makotoseita pivotburrowingofscarabbeetletrypoxylusdichotomuslarva AT shigerukondo pivotburrowingofscarabbeetletrypoxylusdichotomuslarva
_version_	1718384632157700096

Pivot burrowing of scarab beetle (Trypoxylus dichotomus) larva

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