Volume Visualization of Hidden Gallery System of Drywood Termite Using Computed Tomography: A New Approach on Monitoring of Termite Infestation

Himmi, S. Khoirul; Yoshimura, Tsuyoshi; Yanase, Youichi; Torigoe, Toshiyuki; Akada, Masanori; Ikeda, Motoko; Imazu, Setsuo

doi:10.1007/978-981-10-5430-3_6

Cited by 9 publications

(4 citation statements)

References 13 publications

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“…In general, data gained by computed tomography are sporadic concerning the hidden developing stages of insects [21]. Nevertheless, the method can be applied with high efficiency for the assessment of pest morphology and the observation of arthropod development [22], which has been confirmed by several studies [23,24].…”

Section: Introductionmentioning

confidence: 86%

“…This approach allows the observation of the analyzed subject in its natural environment, without disturbing it. Laboratory circumstances can create an opportunity for the observation of the finest biological details, the gathering of which is not permitted by conventional diagnostic methods [21,22,25,26]. The results acquired by applying this non-invasive method can provide additional information about biological and ecological processes as to the hidden lifestyles of covertly developing arthropods.…”

Section: Introductionmentioning

confidence: 99%

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Study of Morphological Features in Pre-Imaginal Honey Bee Impaired by Varroa destructor by Means of Computer Tomography

Sipos

Donkó²,

Jócsák

et al. 2021

Insects

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The honey bee (Apis mellifera L. 1778) is an essential element in maintaining the diversity of the biosphere and food production. One of its most important parasites is Varroa destructor, Anderson and Trueman, 2000, which plays a role in the vectoring of deformed wing virus (DWV) in honey bee colonies. Our aim was to measure the potential morphometric changes in the pre-imaginal stage of A. mellifera caused by varroosis by means of computed tomography, hence supplying evidence for the presumable role that V. destructor plays as a virus vector. Based on our results, the developmental disorders in honey bees that ensued during the pre-imaginal stages were evident. The total-body length and abdomen length of parasitized specimens were shorter than those of their intact companions. In addition, the calculated quotients of the total-body/abdomen, head/thorax, and head/abdomen in parasitized samples were significantly altered upon infestation. In our view, these phenotypical disorders can also be traced to viral infection mediated by parasitism, which was confirmed by reverse transcriptase polymerase chain reaction (RT-PCR) analysis. Capitalizing on a non-destructive method, our study reveals the deformation of the honey bee due to mite parasitism and the intermediary role this pest plays in viral infection, inside the brood cell.

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Section: Introductionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Study of Morphological Features in Pre-Imaginal Honey Bee Impaired by Varroa destructor by Means of Computer Tomography

Sipos

Donkó²,

Jócsák

et al. 2021

Insects

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“…In the majority of cases, only their mastication and emergence holes' hint at their presence (Kolk and Starzyk, 1996). The bio-and ecological studies focusing on these arthropods have been associated with traditional entomological methods, such as tissue dissection, or trapping methods (Jacobson, 1965;Himmi et al, 2018), for a long time. In the case of agricultural pests, plant protection diagnosis and the mapping of the degree of damage have also been based on such methods (Elliot et al, 1995;Underwood, 2000).…”

mentioning

confidence: 99%

“…In addition, the density parameters can also be applied for statistical analysis throughout the 3D-volume (Goldman, 2007;Richards et al, 2012;Stadler et al, 2013). Nevertheless, there are little infiormation in connection with the observations of hidden lifestyle-pests (Himmi et al, 2018). The method has been used primarily in pest morphology and monitoring of insect development (Socha et al, 2007), as well as to illustrate the induced damage (Keszthelyi et al, 2021a,b).…”

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confidence: 99%

A conceptualisation of computed tomography outputs in entomological research by step by step displaying trough the CT-based visualization of a wood-boring larvae

Donkó¹,

Petneházy²,

Fajtai³

et al. 2022

APhyt

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The non-invasive diagnostic methods represent a new branch of insect diagnostics, which can provide novel information especially about insects with hidden lifestyle. Computed tomography (CT) is one of the most useful non-destructive techniques allowing for both qualitative and quantitative assessments. The aim of the present study was to attain entomological information through the implementation of CT imaging, hence contributing to the spread of non-invasive imaging in entomological research. Through monitoring the development of wood-dwelling cerambycid larvae in beech branches, we point out some outputs applicable in entomological studies, which originate from CT image post-processing. We present findings on the location, and size of specimens of some hidden arthropods, as well as cavities formed by them, stemming from the maximum and minimum intensity projections, windowing, 3D-reconstruction, or virtual endoscopy, as steps of the imaging. In summary, it is expected that our findings contribute to a wider recognition of the entomological information that can be gathered from these non-invasive imaging techniques.

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Non-destructive imaging and spectroscopic techniques to investigate the hidden-lifestyle arthropod pests: a review

Keszthelyi

Pónya

Csóka³

et al. 2020

J Plant Dis Prot

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There are several harmful and yield decreasing arthropod pests, which live within plant tissues, causing almost unnoticeable damage, e.g. Ostrinia nubilalis Hbn., Cydia pomonella L., Acanthoscelides obtectus Say. Their ecological and biological features are rather known. The process leading to the damage is difficult to trace by means of conventional imaging techniques. In this review, optical techniques-X-ray, computer tomography, magnetic resonance imaging, confocal laser scanning microscopy, infrared thermography, near-infrared spectroscopy and luminescence spectroscopy-are described. Main results can contribute to the understanding of the covert pest life processes from the plant protection perspective. The use of these imaging technologies has greatly improved and facilitated the detailed investigation of injured plants. The results provided additional data on biological and ecological information as to the hidden lifestyles of covertly developing insects. Therefore, it can greatly contribute to the realisation of integrated pest management criteria in practical plant protection.

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Volume Visualization of Hidden Gallery System of Drywood Termite Using Computed Tomography: A New Approach on Monitoring of Termite Infestation

Cited by 9 publications

References 13 publications

Study of Morphological Features in Pre-Imaginal Honey Bee Impaired by Varroa destructor by Means of Computer Tomography

Study of Morphological Features in Pre-Imaginal Honey Bee Impaired by Varroa destructor by Means of Computer Tomography

A conceptualisation of computed tomography outputs in entomological research by step by step displaying trough the CT-based visualization of a wood-boring larvae

Non-destructive imaging and spectroscopic techniques to investigate the hidden-lifestyle arthropod pests: a review

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