干旱区生态环境知识资源中心(Arid): Ocellar spatia vision in Myrmecia ants

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DOI	10.1242/jeb.2429413
	Ocellar spatia vision in Myrmecia ants
	Penmetcha, Bhavana; Ogawa, Yuri; Ryan, Laura A.; Hart, Nathan S.; Narendra, Ajay
通讯作者	Narendra, A (corresponding author), Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia.
来源期刊	JOURNAL OF EXPERIMENTAL BIOLOGY
ISSN	0022-0949
EISSN	1477-9145
出版年	2021
卷号	224 期号:20
英文摘要	In addition to compound eyes, insects possess simple eyes known as ocelli. Input from the ocelli modulates optomotor responses, flight-time initiation, and phototactic responses - behaviours that are mediated predominantly by the compound eyes. In this study, using pattern electroretinography (pERG), we investigated the contribution of the compound eyes to ocellar spatial vision in the diurnal Australian bull ant Myrmecia tarsata by measuring the contrast sensitivity and spatial resolving power of the ocellar second-order neurons under various occlusion conditions. Furthermore, in four species of Myrmecia ants active at different times of the day, and in European honeybee Apis mellifera, we characterized the ocellar visual properties when both visual systems were available. Among the ants, we found that the time of activity had no significant effect on ocellar spatial vision. Comparing day-active ants and the honeybee, we did not find any significant effect of locomotion on ocellar spatial vision. In M. tarsata, when the compound eyes were occluded, the amplitude of the pERG signal from the ocelli was reduced 3 times compared with conditions when the compound eyes were available. The signal from the compound eyes maintained the maximum contrast sensitivity of the ocelli as 13 (7.7%), and the spatial resolving power as 0.29 cycles deg(-1). We conclude that ocellar spatial vison improves significantly with input from the compound eyes, with a noticeably larger improvement in contrast sensitivity than in spatial resolving power.
英文关键词	Pattern electroretinography Flying Walking Bull ants Honeybees Contrast sensitivity Spatial resolving power
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000715883300012
WOS关键词	INSECT DORSAL OCELLUS ; DESERT ANT ; VISUAL ADAPTATIONS ; CELESTIAL COMPASS ; OPTICAL ANALYSIS ; FORM VISION ; LOCUST ; INTERNEURONS ; FLIGHT ; LIGHT
WOS类目	Biology
WOS研究方向	Life Sciences & Biomedicine - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368317
作者单位	[Penmetcha, Bhavana; Ogawa, Yuri; Ryan, Laura A.; Hart, Nathan S.; Narendra, Ajay] Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia; [Ogawa, Yuri] Flinders Univ S Australia, Ctr Neurosci, GPO Box 2100, Adelaide, SA 5001, Australia
推荐引用方式 GB/T 7714	Penmetcha, Bhavana,Ogawa, Yuri,Ryan, Laura A.,et al. Ocellar spatia vision in Myrmecia ants[J],2021,224(20).
APA	Penmetcha, Bhavana,Ogawa, Yuri,Ryan, Laura A.,Hart, Nathan S.,&Narendra, Ajay.(2021).Ocellar spatia vision in Myrmecia ants.JOURNAL OF EXPERIMENTAL BIOLOGY,224(20).
MLA	Penmetcha, Bhavana,et al."Ocellar spatia vision in Myrmecia ants".JOURNAL OF EXPERIMENTAL BIOLOGY 224.20(2021).