Arid
DOI10.1007/s13355-017-0518-8
Desert locusts Schistocerca gregaria (Acrididae: Orthoptera) do not lay eggs in old sand: Why?
Tanaka, Seiji; Sugahara, Ryohei
通讯作者Tanaka, Seiji
来源期刊APPLIED ENTOMOLOGY AND ZOOLOGY
ISSN0003-6862
EISSN1347-605X
出版年2017
卷号52期号:4页码:635-642
英文摘要

Schistocerca gregaria sometimes refuse to lay eggs into the "old sand" that is kept in their cages for several days. We investigated why they rejected the old sand for oviposition. Locusts exclusively laid eggs into new sand when presented together with old sand, indicating that the old sand contained an oviposition-inhibiting (OI) factor. We examined whether this factor was derived from locust feces or fed grass (Bromus catharticus). Locusts laid all eggs into the sand with grass when presented together with sand containing feces. In contrast, few eggs were laid into the sand with grass when clean sand was offered at the same time, suggesting that the OI factor originated from the grass and was concentrated in the feces. The OI factor was efficiently extracted from feces with water compared with ethanol and acetone. OI activity was detected by extraction of feces with water for 1 min, although a longer extraction time yielded higher activity. The water extract of feces retained OI activity after boiling. None of the eggs which were buried in sand containing fecal extract hatched, whereas most of the eggs buried in clean sand or sand containing grass extract hatched, showing a correlation between OI activity and a lethal effect on eggs.


英文关键词Oviposition-inhibiting factor Soil Embryonic lethality Water-based fecal extract
类型Article
语种英语
国家Japan
收录类别SCI-E
WOS记录号WOS:000414230600012
WOS关键词PHASE POLYPHENISM ; MIGRATORY LOCUST ; BODY-COLOR ; OVIPOSITION ; CORAZONIN
WOS类目Entomology
WOS研究方向Entomology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/197404
作者单位Natl Agr & Food Res Org, Natl Inst Agrobiol Sci, Ohwashi 1-2, Tsukuba, Ibaraki 3058634, Japan
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Tanaka, Seiji,Sugahara, Ryohei. Desert locusts Schistocerca gregaria (Acrididae: Orthoptera) do not lay eggs in old sand: Why?[J],2017,52(4):635-642.
APA Tanaka, Seiji,&Sugahara, Ryohei.(2017).Desert locusts Schistocerca gregaria (Acrididae: Orthoptera) do not lay eggs in old sand: Why?.APPLIED ENTOMOLOGY AND ZOOLOGY,52(4),635-642.
MLA Tanaka, Seiji,et al."Desert locusts Schistocerca gregaria (Acrididae: Orthoptera) do not lay eggs in old sand: Why?".APPLIED ENTOMOLOGY AND ZOOLOGY 52.4(2017):635-642.
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