Dai X, Liu R, Xu J. 2009. Preliminary Study on Mine Shape
Characteristics of Leaf-Mining Insects in South Jiangxi, China.
Poster of the International Congress on Biological Invasions (ICBI),
2-6 November 2009, Fuzhou, China.

2009福州国际生物入侵会议墙报：赣南潜叶昆虫潜道形状特征的初步研究

Generally, the mine shape of leafminers could be divided into three basic types:linear, blotch, and linear-blotch. Each basic mine type could be further categorized into several subtypes. Different mine shapes might indicate different adaption strategies to within-leaf resources, surrounding environment and natural enemies. In South Jiangxi, about 140 plant species by far were found to have leaf mines: 97 host plants had linear mines, 59 plants had blotch mines and 29 plants had linear-blotch mines. Apparently some plant species have more than one mine type. Secondly, we tried to quantify the shape characteristics of blotch mines with area:perimeter ratio and length:width ratio; linear mines with turn angle distribution, sinuosity and fractal dimension; and linear-blotch mines with blotch-area:linear-length and the above parameters. The host plants were then classified into more groups and the relationship between plant taxa and mine shapes were summarised. Moreover, we focused two typical linear mining pests: the citrus leaf miner and one invasive vegetable leaf miner. The citrus leaf miner mined in a much more tortuous pattern than the vegetable leaf miner. There were also intra-specific variations among mine shape characteristics in the two leafminers. Finally, the possible explanations for the inter- and intra-specific differences were presented and discussed. 

We are still checking the scientific names, genera and families of each plant  to know more on the relationship between mine shapes and hosts.
The identification of leaf mining species are very difficult  due to the absence of alive larva, the lack of literatures and  taxonomists.  However, we have established the rearing techniques to obtain miner adults. We hope to get helps from experts  all over the world, especially native taxonomists.

Dai X, Liu R, Xu J. 2009. Preliminary Study on Mine Shape
Characteristics of Leaf-Mining Insects in South Jiangxi, China.
Poster of the International Congress on Biological Invasions (ICBI),
2-6 November 2009, Fuzhou, China.

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