Histology and Morphology of Alimentary Canal of <i>Thrips palmi</i> Karny

MU Ye; CHEN Fen-fen; WEI Hui; ZHENG Xue; CHEN Yong; ZHANG Jie

doi:10.19303/j.issn.1008-0384.2019.11.011

Volume 34 Issue 11

Nov. 2019

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MU Y, CHEN F F, WEI H, et al. Histology and Morphology of Alimentary Canal of Thrips palmi Karny [J]. Fujian Journal of Agricultural Sciences，2019，34（11）：1309−1314. doi: 10.19303/j.issn.1008-0384.2019.11.011

Citation:

MU Y, CHEN F F, WEI H, et al. Histology and Morphology of Alimentary Canal of Thrips palmi Karny [J]. Fujian Journal of Agricultural Sciences，2019，34（11）：1309−1314. doi: 10.19303/j.issn.1008-0384.2019.11.011

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Histology and Morphology of Alimentary Canal of Thrips palmi Karny

doi: 10.19303/j.issn.1008-0384.2019.11.011

MU Ye^{1, 2},
CHEN Fen-fen¹,
WEI Hui³,
ZHENG Xue²,
CHEN Yong^{3
,
,},
ZHANG Jie^{2
,
,}

1.
College of Life Science, Southwest Forestry University, Kunming, Yunnan　650224, China
2.
Institute of Biotechnology and Germplasm Resources, Yunnan Academy of Agricultural Sciences, Kunming, Yunnan　650205, China
3.
Institute of Plant Protection, Fujian Academy of Agricultural Sciences/Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests/Fuzhou Scientific Observing and Experimental Station of Crop Pests of Ministry of Agriculture, Fuzhou, Fujian　350003, China

Received Date: 2019-10-08
Rev Recd Date: 2019-11-12
Publish Date: 2019-11-01

Abstract

Abstract

Objective Histology and morphology of the alimentary canal of Thrips palmi Karny (Thysanoptera: Thripidae), a pest that causes serious damage to its host crops by not only feeding on them but also transmitting viruses, were studied to investigate the infection route of Orthotospovirus on plants. Method Structure of the alimentary canal in T. palmi was examined under the laser scanning confocal microscopy, and the transmission electron microscopy applied for the ultrastructure observation. Result The alimentary canal was shown to consist of foregut, midgut, hindgut, and malpighian tubules. The foregut included pharynx, oesophagus, crop, and cardia. The midgut was made of anterior, middle and posterior parts with no peritrophic membrane. In the anterior midgut, a thin membrane was present on the surface of microvilli. Morphologically, the intestinal wall of posterior midgut had a pleated and a flat side with no membrane on the microvilli surface. The hindgut composed of ileum and rectum. The ileum had strong muscles and a cuticle layer covering the lumen. Inside the rectum, microorganisms seemed to thrive. Four malpighian tubules were located at the junction between the midgut and hindgut extending freely into the hemocoel with numerous vesicles in the cells and abundant microvilli around the irregular-shaped lumen. Conclusion The morphology and functions of the alimentary canal in T. palmi were closely examined to initiate further studies on the pathogenic infection route on crops through the insect.
- Thysanoptera,
- Thripidae,
- Thrips palmi,
- alimentary canal,
- morphology

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References(16)

References

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