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Litter-dwelling thrips live mainly in tropical and subtropical regions

Date:
June 18, 2014
Source:
Pensoft Publishers
Summary:
Chinese zoologists have documented the effect of latitudinal change on the species diversity of litter-dwelling thrips. Litter samples were taken from six natural reserves located respectively in the temperate, subtropical and tropical zones, along a 4100 km latitudinal gradient in East China.
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This is an example of Psalidothrips ascitus (Ananthakrishnan). Abundant individuals were found in leaf litter.
Credit: Dr Jun Wang; CC-BY 4.0

The species diversity in soil fauna has been studied in temperate regions for more than 50 years, but with scarcely any mention of thrips. This lack of reference to thrips raises the question whether or not litter-dwelling thrips are distributed only in tropical and sub-tropical regions.

To answer this question a total 150 leaf litter samples were collected from 6 natural reserves located in three climatic regions, temperate, subtropical and tropical, along a 4100 km latitudinal gradient in East China. The survey was done over a four-year period by Dr Jun Wang, who is a thrips specialist and an assistant professor at the College of Plant Science, Jilin University, China. His results have been published in the open access journal ZooKeys.

'Thrips constitute over 3.0% of total litter-dwelling macroinvertebrate individuals in 4 natural reserves from subtropical and tropical zone', said Dr Wang. 'In contrast, it constitute only 0.3% in the warm temperate natural reserves, and no thrips is collected in a mid temperate reserve.'

Dr Wang said that the order on the average species numbers per plot of litter thrips was tropic followed by subtropics followed by temperate. Mean density of litter thrips per plots in the tropics and subtropics was significantly higher than that in the temperate region.

Dr. Laurence Mound, CSIRO Entomology, Australia commented that this manuscript is the the first serious attempt to look at the diversity of thrips in leaf-litter, based on a good sampling strategy, and investigating the variation with latitude.


Story Source:

The above story is based on materials provided by Pensoft Publishers. The original story is licensed under a Creative Commons License. Note: Materials may be edited for content and length.


Journal Reference:

  1. Jun Wang, X.L Tong, Donghui Wu. The effect of latitudinal gradient on the species diversity of Chinese litter-dwelling thrips. ZooKeys, 2014; 417: 9 DOI: 10.3897/zookeys.417.7895

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Pensoft Publishers. "Litter-dwelling thrips live mainly in tropical and subtropical regions." ScienceDaily. ScienceDaily, 18 June 2014. <www.sciencedaily.com/releases/2014/06/140618122301.htm>.
Pensoft Publishers. (2014, June 18). Litter-dwelling thrips live mainly in tropical and subtropical regions. ScienceDaily. Retrieved May 28, 2015 from www.sciencedaily.com/releases/2014/06/140618122301.htm
Pensoft Publishers. "Litter-dwelling thrips live mainly in tropical and subtropical regions." ScienceDaily. www.sciencedaily.com/releases/2014/06/140618122301.htm (accessed May 28, 2015).

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