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489 results for “whitefly”
Pest Sticky Traps: a dataset for Whitefly Pest Population Density Estimation in Chromotropic Sticky Traps
<p><strong>The dataset<br></strong></p> <p>The Pest Sticky Traps (PST) dataset is a collection of yellow chromotropic sticky trap pictures specifically designed for training/testing deep learning models to automatically count insects and estimate pest populations.</p> <p>Images were manually annotated by some experts of the Department of Agriculture, Food and Environment of the University of Pisa (Italy) by putting a dot over the centroids of each identified insect. Specifically, we labeled insects as belonging to the category “whitefly” considering two different species, i.e., the sweet potato whitefly (<em>Bemisia tabaci</em>) (Gennadius) and the greenhouse whitefly (<em>Trialeurodes vaporariorum</em>) (Westwood).</p> <p>The dataset comprises two subsets:<br>- a subset we suggest using for the training/validation phases (contained in the `train/` folder)<br>- a subset we suggest using for the test phase (contained in the `test/` folder)</p> <p>Annotations of the two subsets are contained in `train/annotations.csv` and `test/annotations.csv`, respectively. They have the following columns:<br>- *imageName* - filename of the image containing the whiteflies,<br>- *X,Y* - 2D coordinates of the whitefly in the image space,<br>- *class* - class index of the insect (always 0 in this dataset).</p> <p> </p> <p><strong>Citing our work</strong></p> <p>If you found this dataset useful, please cite the following paper</p> <blockquote> <pre>@inproceedings{CIAMPI2023102384,<br> title = {A deep learning-based pipeline for whitefly pest abundance estimation on chromotropic sticky traps},<br> journal = {Ecological Informatics},<br> volume = {78},<br> pages = {102384},<br> year = {2023},<br> issn = {1574-9541}, doi = {10.1016/j.ecoinf.2023.102384}, url = {https://www.sciencedirect.com/science/article/pii/S1574954123004132}, year = 2023, author = {Luca Ciampi and Valeria Zeni and Luca Incrocci and Angelo Canale and Giovanni Benelli and Fabrizio Falchi and Giuseppe Amato and Stefano Chessa}, } </pre> </blockquote> <p>and this Zenodo Dataset</p> <blockquote> <pre>@dataset{ciampi_2023_7801239, author = {Luca Ciampi and Valeria Zeni and Luca Incrocci and Angelo Canale and Giovanni Benelli and Fabrizio Falchi and Giuseppe Amato and Stefano Chessa}, title = {Pest Sticky Traps: a dataset for Whitefly Pest Population Density Estimation in Chromotropic Sticky Traps}}, month = apr, year = 2023, publisher = {Zenodo}, version = {1.0.0}, doi = {10.5281/zenodo.7801239}, url = {<a href="https://doi.org/10.5281/zenodo.7801239">https://doi.org/10.5281/zenodo.6560823</a>} } </pre> </blockquote> <p> </p> <p><strong>Contact Information</strong></p> <p>If you would like further information about the dataset or if you experience any issues downloading files, please contact us at <a href="mailto:mobdrone@isti.cnr.it">luca.ciampi@isti.cnr.it</a></p> <p> </p> <p> </p>
FIGURE 10 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 10 (A – C). S. papillote. A, female, cephalic process between antennal base and eye; B, female, lateral view of lingula, with three of its four setae clearly visible in relief; C, puparium, leg.
FIGURE 7 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 7 (A – B). Stenaleyrodes puparia, vasiform orifice and posterior margin. A, S. papillote; B, S. vinsoni.
FIGURE 5 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 5 (A – B). S. papillote. A, puparium, thorax and anterior abdomen; B, adult female, tarsus with acute paronychium.
FIGURE 9 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 9 (A – C). S. papillote, adults. A, fore wing, female; B, antennal flagellum, male; C, genital segment, male.
FIGURE 8 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 8 (A – B). Stenaleyrodes species, female abdomen. A, S. papillote, with three pairs of wax plates; B, S. vinsoni, dissected preemergence specimen, with four pairs of wax plates.
FIGURE 3 in A second species of the enigmatic whitefly genus Stenaleyrodes Takahashi (Sternorrhyncha, Aleyrodidae)
FIGURE 3 (AB). S. papillote, puparium. A, vasiform orifice, with four lingular setae discernible; B detail of operculum.
FIGURE 1 in Crenidorsum aroidephagus Martin & Aguiar sp. nov. (Sternorrhyncha: Aleyrodidae), a New World whitefly species now colonising cultivated Araceae in Europe, Macaronesia and The Pacific Region
FIGURE 1. Computer-montage image of slidemounted puparium of Crenidorsum aroidephagus Martin & Aguiar sp. nov. ex- Philodendron gloriosum, Berlin Botanic Garden, with lingula unfolded and excluded from vasiform orifice.
Fig. 4 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 4. Rudisculptus caudalis gen. et sp. nov., slide mounts. A. Puparium, ♀, holotype (ANRC-ZSI). B. Puparium, paratypes (ANRC-ZSI). C. Thoracic tracheal pore (PT). D. True margin. Pore (PT). E. Abdominal segments (HT). F. Moulting suture; seta (HT). G. Cephalothoracic demarcation (PT). H. Posterior abdominal area (HT). Abbreviations: ABS VII = abdominal segment VII; ANT = antenna; FAS = first abdominal setae; GP = geminate pore; HT = holotype; LMS = longitudinal moulting suture; PT = paratype; TMS = transverse moulting suture; TTP = thoracic tracheal pore; 1st ABS = first abdominal setae.
Fig. 9 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 9. Aleuropleurocelus ceanothi (Sampson, 1945), SEM microphotographs. B–G. Ventral views. A. Puparium, geminate pore. B. Ventral view. C. Ventrally folded submargin. D. Legs, stipples, spiracle. E. Marginal wax glands. F. Thoracic tracheal fold. G. Caudal tracheal pore and furrow area.
Fig. 3 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 3. Rudisculptus caudalis gen. et sp. nov., ♀, holotype (ANRC-ZSI), line drawings. A. Dorsal and ventral views. B. Diagrammatic presentation of puparium on leaf in lateral view. C. Thoracic tracheal pore. D. Vasiform orifice.
Fig. 6 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 6. Rudisculptus caudalis gen. et sp. nov., puparium, not preserved, SEM images, dorsal and ventral surfaces. A. Microtubercles, dorsal surface. B. Same, enlarged view. C. Geminate pore. D. Cephalic seta. E. Puparium, ventral surface. F. Thoracic tracheal fold. G. Caudal tracheal fold.
Fig. 8 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 8. Aleuropleurocelus ceanothi (Sampson, 1945), SEM microphotographs. A. Puparium, dorsal view. B. Cephalothorax. C. Abdominal area. D. Folded submargin. E. Meso- and metathorax, longitudinal suture. F. Vasiform orifice. G. Operculum apex, tuft of conical microtrichia.
Fig. 5 in New whitefly genus and species (Hemiptera, Aleyrodidae) breeding on Orophea katschallica Kurz in India
Fig. 5. Rudisculptus caudalis gen. et sp. nov., puparium, not preserved, SEM images. A. Ventrolateral view. B. Dorsal view. C. Cephalothorax. D. Posterior abdominal area. E. Abdominal segment. F. Vasiform orifice.
Figures 1–6 in Occurrence of an exotic whitefly, Siphoninus phillyreae (Haliday) (Hemiptera: Aleyrodidae) in South Korea and its potential pathway analysis
Figures 1–6. Ash whitefly (Siphoninus phillyreae (Haliday)) and regional map of South Korea. 1–2) Several life stages of the ash whitefly on the underside of leaves of a pomegranate tree (GN: Jinju, 3-viii-2021 (S.J. Suh)). 3) Puparium (slide-mounted). 4) Siphons on marginal and submarginal areas of dorsum. 5) Vasiform orifice. 6) Distribution map of ash whitefly in South Korea.
Data from: Evaluation of a low-cost staining method for improved visualization of sweet potato whitefly (Bemisia tabaci) eggs on multiple crop plant species
<p>The sweet potato whitefly (Bemisia tabaci) is a damaging insect pest that feeds on hundreds of crop plants. Oviposition rate is a useful metric to screen plants for whitefly resistance. Whitefly eggs are small and translucent, and can therefore be hard to count on the leaves of some crops. In this research, we tested a selective egg staining process on five crop species to determine if egg staining can improve the visualization and quantification of whitefly eggs. By comparing the egg counts before and after staining using two-sample Wilcoxon signed-rank tests (a non-parametric test for paired analyses). Two individuals counted the eggs, and for both these counters we found a significant increase in the number of visible eggs after staining on melon, tomato, and cowpea. This method could be applied to improve phenotyping for whitefly resistance in plant breeding applications.</p>
Fig. 2a in Prevalence of a new genetic group, MEAM-K, of the whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) in Karnataka, India, as evident from mtCOI sequences
Fig. 2a. Phylogenetic tree showing the relationship of the Bemisia tabacimt mtCOI sequences collected in this study to consensus sequences of Dinsdale et al. (2010). Bayesian analyses were performed employing MrBayes under the best-fit model GTR+I+G of molecular evolution for 20 million generations and 25% discarded as burn-in. Posterior probabilities are shown above the branches and maximum likelihood scores from RaxML indicated below the branches. Asia-I condensed is shown in Fig. 2b.
Fig. 1 in Prevalence of a new genetic group, MEAM-K, of the whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) in Karnataka, India, as evident from mtCOI sequences
Fig. 1. Map indicating different locations of Bemisia tabaci sampling and distribution of genetic groups in Karnataka, India.
Fig. 2b. Phylogenetic tree indicating the Asia-I in Prevalence of a new genetic group, MEAM-K, of the whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) in Karnataka, India, as evident from mtCOI sequences
Fig. 2b. Phylogenetic tree indicating the Asia-I group, which was the most abundant genetic group in this study.
Fig. 1 in DNA barcode development for three recent exotic whitefly (Hemiptera: Aleyrodidae) invaders in Florida
Fig. 1. Maximum Likelihood phylogeny of whiteflies using the mitochondrial coxI barcode. Log-likelihood: −9515.93005, substitution model: MtART+I+G, support values: bootstrap % / SH approximate likelihood ratio test. Highlighted nodes 1: Aleyrodidae, 2: Paraleyrodes, 3: Aleurodicus dispersus–Lecanoideus floccissimus complex, 4: Singhiella + Massilieurodes + Aleurolobus + Bemisia. Accessions KF059961 and HQ446157 are possible specimen misidentifications in GenBank given the phylogeny.
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