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Journal articles on the topic 'Sweetpotato weevil (Cylas formicarius Fabr)'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Sylva, Grant T. McQuate Charmaine D. "Trapping Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae), with High Doses of Sex Pheromone: Catch Enhancement and Weathering Rate in Hawaii." Proceedings of the Hawaiian Entomological Society 46 (December 31, 2014): 59–69. https://doi.org/10.5281/zenodo.13190636.

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Sylva, Grant T. McQuate Charmaine D. (2014): Trapping Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae), with High Doses of Sex Pheromone: Catch Enhancement and Weathering Rate in Hawaii. Proceedings of the Hawaiian Entomological Society 46: 59-69, DOI: 10.5281/zenodo.13190636

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2

Wang, Yan, and Stanley J. Kays. "Sweetpotato Volatile Chemistry in Relation to Sweetpotato Weevil (Cylas formicarius) Behavior." Journal of the American Society for Horticultural Science 127, no. 4 (2002): 656–62. http://dx.doi.org/10.21273/jashs.127.4.656.

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The sweetpotato weevil (SPW) [Cylas formicarius elegantulus (Summers) (Coleoptera: Curculionidae)] is the single most devastating pest of the sweetpotato [Ipomoea batatas (L.) Lam.] worldwide. Attempts to develop host-plant resistance have been only moderately successful due in part to deficiencies in parent and progeny selection methods. Host-plant phytochemicals play critical roles in insect behavior, modulating a cross-section of key behavioral decisions. Thus, identification of the phytochemicals the female weevil uses in decision making could greatly facilitate development of host-plant r

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3

Reddy, G. V. P., Nirupa Gadi, and Anthony J. Taianao. "Efficient Sex Pheromone Trapping: Catching The Sweetpotato Weevil, Cylas formicarius." Journal of Chemical Ecology 38, no. 7 (2012): 846–53. http://dx.doi.org/10.1007/s10886-012-0160-4.

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4

Thompson, Paul G., John C. Schneider, and Boyett Graves. "HERITABILITIES FOR SWEETPOTATO WEEVIL RESISTANCE." HortScience 28, no. 4 (1993): 261E—261. http://dx.doi.org/10.21273/hortsci.28.4.261e.

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Narrow-sense heritabilities (h2) for sweetpotato weevil (Cylas formicarius elegantulus) resistance were estimated in 2 breeding populations. Population A included clones from US programs with previously reported moderate levels of weevil resistance. Population B included clones of US origin plusplant introductions from 14 countries. Parents and progenies were included in field evaluations with no wild weevils present. Weevils were cultured and applied to each plant. Population A was evaluated for 2 years and population B for 1. The GXE estimate for population A was also used for population B.

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5

Son, Ki-Cheol, Ray F. Severson, and Stanley J. Kays. "Pre-and Postharvest Changes in Sweetpotato Root Surface Chemicals Modulating Insect Resistance." HortScience 26, no. 12 (1991): 1514–16. http://dx.doi.org/10.21273/hortsci.26.12.1514.

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Levels of major root surface components for two sweetpotato [Ipomoea batatas (L.) Lam.] cultivars that differ in susceptibility to the sweetpotato weevil [Cylas formicarius elegantulus (Summers)] were determined. Analyses were made 30 days before harvest, at harvest, after curing, and after 2 months of storage during two seasons. Significant variation in the amounts of individual components, especially boehmeryl acetate, which is known to be an ovipositional stimulant for the weevil, was found before and after harvest, with season, and between cultivars. These results suggest that variation in

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6

Crossman, S. M. A., M. C. Palada, and J. A. Kowalski. "Irrigation Affects Yield and Sweetpotato Weevil [Cylas formicarius elegantus (Summers)] Infestation of Sweetpotato." HortScience 30, no. 4 (1995): 829A—829. http://dx.doi.org/10.21273/hortsci.30.4.829a.

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A study was conducted to evaluate the effect of irrigation on yield and sweetpotato weevil (SPW) infestation of sweetpotato storage roots. Sweetpotato was grown in plots under controlled soil moisture regimes. The treatments were rainfed (no applied irrigation) and irrigation applied to maintain soil moisture levels at 20, 40, and 60 kPa, based on tensiometer readings. The 40- and 60-kPa treatments produced the highest yield of root biomass. Irrigation applied at 40 kPa produced significantly more medium-sized storage roots (8.1 t·ha–1) than the rain-fed treatment, which produced 4.4 t·ha–1. A

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7

Hansen, James D. "Acoustical Detection of the Sweetpotato Weevil (Coleoptera: Curculionidae) in Sweet Potato2." Journal of Entomological Science 28, no. 4 (1993): 453–61. http://dx.doi.org/10.18474/0749-8004-28.4.453.

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Ultrasensitive acoustical equipment was used to detect larvae of the sweetpotato weevil, Cylas formicarius elegantulus (Summers) (Coleoptera: Curculionidae), in the sweet potato, Ipomoea batatas (L.). Methods of expressing results were evaluated with per cent audible as the best indicator of larval presence. Sound from moderately infested sweet potatoes (8 to 20 weevils/sweet potato) varied considerably even though infestation rates above 60 weevils/sweet potato resulted in sound throughout most of the observation period. Infested sweet potatoes were detectable after two weeks of weevil develo

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8

SETOKUCHI, Osamu, and Katsumi NAKAO. "Infleld damage by sweetpotato weevil, Cylas formicarius(FABRICIUS)to sweet potato." Kyushu Plant Protection Research 37 (1991): 104–6. http://dx.doi.org/10.4241/kyubyochu.37.104.

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9

Son, Ki-Cheol, Ray F. Severson, Richard F. Arrendale, and Stanley J. Kays. "Surface Chemical Differences Between Sweetpotato Lines with Varying Levels of Resistance to the Sweetpotato Weevil." Journal of the American Society for Horticultural Science 115, no. 4 (1990): 696–99. http://dx.doi.org/10.21273/jashs.115.4.696.

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Methodology was developed for the extraction of surface components of sweetpotato [Ipomoea batatas (L.) Lam.] storage roots. Surface components of storage roots were quantitatively extracted with methylene chloride using 8-minute ultrasonication. After removal of the solvent, the extract was treated with 3 Tri Sil-Z:1 trimethylsilylimidazol (v/v) to convert components with hydroxyl moieties to silyl ethers and then separated on a SE-54 fused silica capillary column. Distinctly different gas chromatography profiles were found between lines displaying moderate levels of resistance (`Resisto', `R

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10

Azizah, Fida, Ato Sulistyo, and Subagiya Subagiya. "Pertumbuhan dan Hasil Ubi Jalar dengan Pemberian Pupuk Kandang serta Uji Varietas Terhadap Cylas Formicarius." Agrotechnology Research Journal 2, no. 1 (2018): 22. http://dx.doi.org/10.20961/agrotechresj.v2i1.19520.

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<p>The efforts of production enhancement of sweet potato are limited by some constraints including some pest. One of the important pests is sweet potato weevil (Cylas formicarius Fabr.). The use fertilizer and kind of variety are important factors determining the yield of sweet potato. This study aims to examine the effect of manure on three varities of sweet potato and evaluate the yield of varieties test on sweet potato weevil, through choice test and no choice test. The research in field used Randomized Completely Block Design (RAKL) with two treatments. The varieties (Korea, Manohara

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11

Son, Ki-Cheol, Ray F. Severson, Maurice E. Snook, and Stanley J. Kays. "Root Carbohydrate, Organic Acids, and Phenolic Chemistry in Relation to Sweetpotato Weevil Resistance." HortScience 26, no. 10 (1991): 1305–8. http://dx.doi.org/10.21273/hortsci.26.10.1305.

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Methanol extracts of external (outer 3 mm) and interior root tissue of four sweetpotato [Ipomoea batatas (L.) Lam.] cultivars (`Centennial', `Jewel', `Regal', and `Resisto') having different levels of susceptibility to the sweetpotato weevil [Cylas formicarius elegantulus Summer] were analyzed for simple carbohydrates (fructose, glucose, sucrose, inositol) and organic acids (malic, citric, quinic) by gas chromatography and for phenolics (caffeic acid, caffeoylquinic acids, rutin) by high-performance liquid chromatography. There were significant differences among cultivars in the concentrations

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12

Mullen, Michael A., Alfred Jones, Donald R. Paterson, and Thurman E. Boswell. "RESISTANCE IN SWEET POTATOES TO THE SWEETPOTATO WEEVIL, CYLAS FORMICARIUS ELEGANTULUS (SUMMERS)1." Journal of Entomological Science 20, no. 3 (1985): 345–50. http://dx.doi.org/10.18474/0749-8004-20.3.345.

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Fourteen sweet potato [Ipomoea batatas (L.) Lam] cultivars and varieties were examined for resistance to the sweetpotato weevil [Cylas formicarius elegantulus (Summers)] in artificially infested fields in Yoakum, TX. One cultivar W-226, appeared to have a greater level of resistance than the other cultivars examined. The data are compared to earlier resistance trials to show that the germplasm presently available has greater levels of resistance than that in previous years. The resistance levels of “Resisto” and “Regal” for the past 4 years are discussed.

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13

Wadl, Phillip A., Robert N. Trigiano, Sarah L. Boggess, Karen Harris‐Shultz, Livy H. Williams, and Grant T. McQuate. "Development and characterization of microsatellites from the sweetpotato weevil, Cylas formicarius elegantulus." Journal of Applied Entomology 144, no. 4 (2020): 335–40. http://dx.doi.org/10.1111/jen.12738.

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14

Pardales, J. R., and A. F. Cerna. "An agronomic approach to the control of sweetpotato weevil(Cylas formicarius elegantulusF.)." Tropical Pest Management 33, no. 1 (1987): 32–34. http://dx.doi.org/10.1080/09670878709371111.

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15

Samantaray, Tanmayee, and Rajasekhara Rao Korada. "Electrophysiological and Behavioural Responses of Sweetpotato Weevil, Cylas formicarius Fab. to Sweetpotato Varieties." Current Science 111, no. 5 (2016): 895. http://dx.doi.org/10.18520/cs/v111/i5/895-900.

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16

YASUDA, Keiji. "Seasonal prevalence of sweetpotato weevil Cylas formicarius and the West Indian sweetpotato weevil Euscepes postfasciatus in Okinawa, Japan." Kyushu Plant Protection Research 39 (1993): 88–90. http://dx.doi.org/10.4241/kyubyochu.39.88.

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17

Supriani, Wina, and Trimurti Hesti Wardini. "Prospect of Tagetes erecta Linn. In Controlling Sweet Potato Weevil (Cylas formicarius Fabr.)." Jurnal Matematika dan Sains 23, no. 1 (2019): 21–26. http://dx.doi.org/10.5614/jms.2018.23.1.5.

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18

Halpin-McCormick, Anna, Stacy Lucas, James Keach, Michael B. Kantar, Sharon Motomura-Wages, and Susan C. Miyasaka. "Evaluating Sweetpotato Varieties and Accessions in Hawai‘i." HortTechnology 34, no. 4 (2024): 448–58. http://dx.doi.org/10.21273/horttech05421-24.

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Thirty sweetpotato (Ipomoea batatas var. batatas) genotypes were evaluated for yield, resistances to weevil or nematode pests, and consumer acceptance across three field trials planted at Pepe‘ekeo, Hawai‘i Island between 2017 to 2020. At harvest, storage roots were graded according to market standards, followed by scoring for damage by sweetpotato weevil (Cylas formicarius elegantulus), rough sweetpotato weevil (Blosyrus asellus), or nematodes; namely root-knot nematode (Meloidogyne spp.) or reniform nematode (Rotylenchus reniformis) in each market class. There were significant differences in

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19

Prayogo, Yusmani, Nurul Setyanignsih, Didik Hariyono, and Nur Edy Suminarti. "Integrasi komponen pengendalian hama penggerek ubi jalar (Cylas formicarius Fab.) (Coleoptera: Curculionidae)." Jurnal Entomologi Indonesia 19, no. 1 (2022): 42–54. http://dx.doi.org/10.5994/jei.19.1.42.

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Sweetpotato weevil Cylas formicarius Fabricius is major obstacle in increasing of sweet potato production in various countries. Tuber damage due to C. formicarius causes yield loss up to 80%. This study aims to examine the integration control of C. formicarius in entisol, each control combination was composed of various components. The control integration was composed of various components of synthetic insecticide, application of entomopathogenic fungus Beauveria bassiana, weeding, turning of the stems, heap up, and cover mounds using plastic mulch. The study used a randomized block design, ea

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20

Miyatake, Takahisa, Tsuguo Kohama, Yukio Shimoji, et al. "Dispersal of released male sweetpotato weevil, Cylas formicarius (Coleoptera: Brentidae) in different seasons." Applied Entomology and Zoology 35, no. 4 (2000): 441–49. http://dx.doi.org/10.1303/aez.2000.441.

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21

KURIWADA, TAKASHI, NORIKUNI KUMANO, KEIKO SHIROMOTO, and DAI HARAGUCHI. "Age-dependent investment in death-feigning behaviour in the sweetpotato weevil Cylas formicarius." Physiological Entomology 36, no. 2 (2011): 149–54. http://dx.doi.org/10.1111/j.1365-3032.2010.00777.x.

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22

Heath, R. R., J. A. Coffelt, P. E. Sonnet, F. I. Proshold, B. Dueben, and J. H. Tumlinson. "Identification of sex pheromone produced by female sweetpotato weevil,Cylas formicarius elegantulus (Summers)." Journal of Chemical Ecology 12, no. 6 (1986): 1489–503. http://dx.doi.org/10.1007/bf01012367.

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23

Kays, Stanley J., and Emma S. Data. "SWEETPOTATO LATEX: EFFECT ON SWEETPOTATO WEEVIL FEEDING AND OVIPOSITION." HortScience 28, no. 5 (1993): 479d—479. http://dx.doi.org/10.21273/hortsci.28.5.479d.

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Latex is known to act as a natural defense system in some laticiferous plants against certain herbivores. The importance of latex produced by the sweetpotato, Ipomoea batatas, Lam., as a defense mechanism against the sweetpotato weevil, Cylas formicarius elegantulus (Summers) (Coleoptera: Curculionidae), was tested. Distinct genetic and environmental differences were found in latex production in a broad cross-section of sweetpotato germplasm (96 lines). Most lines produced 2.6 to 10 mg fwt-vine-1 of latex when the second internode from the apex was severed. Some lines, however, produced substa

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24

Mau, Yosep Seran, Antonius SS Ndiwa, and I. GB Adwita Arsa. "TINGKAT KETAHANAN KLON POTENSIAL UBI JALAR LOKAL ASAL NTT TERHADAP HAMA LANAS (Cylas formicarius Fab.)." Jurnal Hama dan Penyakit Tumbuhan Tropika 11, no. 2 (2011): 139–46. http://dx.doi.org/10.23960/j.hptt.211139-146.

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A laboratory experiment was carried out to evaluate the potential sweetpotato clones from NTT for the following objectives: 1) to determine resistance level of the clones to sweetpotato weevil (SPW), 2) to investitage the effect of genotype by tuber production site interaction on SPW-resistance level, 3) to identify SPW-resistant clones. Sweetpotato roots employed in the experiment were obtained from two production sites in the fields. The experiment was laid out in a Completely Randomized Design with a factorial treatment of two factors: sweetpotato genotype (10 clones) and root production si

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25

Ulmer, Megan, Regina Ali, Conrad Bonsi, Louis Jackai, and Bryon Sosinski. "STUDY OF THE ORIGINS AND SPREAD OF THE SWEETPOTATO WEEVIL IN THE U.S. USING RDNA SEQUENCES." HortScience 41, no. 3 (2006): 514E—514. http://dx.doi.org/10.21273/hortsci.41.3.514e.

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The sweetpotato weevil (SPW), Cylas formicarius, is the most devastating insect pest of sweetpotato worldwide. In the U.S., the devastation by this pest costs the sweetpotato industry several million dollars in crop loss and lost income each year. Many growers in highly infested areas have simply abandoned growing sweetpotatoes. The overall project goals are to elucidate the routes used for the spread of the SPW, and to determine the existence of intra-specific variation in the SPW population in the US and selected overseas countries. These results will lead to more effective and targeted mana

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26

YASUDA, Keiji, and Tsuguo KOHAMA. "Disrtibution of the sweetpotato weevil, Cylas formicarius (Fabricius) and the West Indian sweetpotato weevil, Euscepes postfasciatus (Fairmaire) in Okinawa Prefecture." Kyushu Plant Protection Research 36 (1990): 123–25. http://dx.doi.org/10.4241/kyubyochu.36.123.

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27

Kuriwada, Takashi, Norikuni Kumano, Keiko Shiromoto, and Dai Haraguchi. "Copulation reduces the duration of death-feigning behaviour in the sweetpotato weevil, Cylas formicarius." Animal Behaviour 78, no. 5 (2009): 1145–51. http://dx.doi.org/10.1016/j.anbehav.2009.07.031.

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28

Sutherland, J. A. "A review of the biology and control of the sweetpotato weevil Cylas formicarius (Fab)." Tropical Pest Management 32, no. 4 (1986): 304–15. http://dx.doi.org/10.1080/09670878609371084.

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29

Reddy, Gadi V. P., James McConnel, and Aleandro E. Badilles. "Estimation of the population density of the sweetpotato weevils on the Mariana Islands." Journal of Entomological and Acarological Research 44, no. 1 (2012): 4. http://dx.doi.org/10.4081/jear.2012.e4.

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The sweetpotato <em>Ipomoea batatas</em> L. (Convolvulaceae) has been one of the most important foods for Pacific islanders for centuries. However, the yield levels have been declining in the recent past due to the presence of sweetpotato weevils <em>Cylas formicarius</em> (Fabricius) (Coleoptera, Brentidae), <em>Euscepes postfasciatus</em> (Fairmaire) and <em>Daealus tuberosus</em> (Zimmer man) (Coleoptera, Curculionidae). Therefore, urgent management or eradication methods are sought in the Mariana Islands (Guam, Rota, Saipan, and Tinian). Howe

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30

Villordon*, Arthur, Craig Roussel, and Tad Hardy. "GIS Analysis of Sweetpotato Weevil Trap Data in Louisiana." HortScience 39, no. 4 (2004): 745A—745. http://dx.doi.org/10.21273/hortsci.39.4.745a.

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The Louisiana Dept. of Agriculture and Forestry (LDAF) conducts sweetpotato weevil [SPW, Cylas formicarius (Fabricius)] monitoring in support of the statewide SPW quarantine program. The monitoring activity primarily involves a statewide pheromone-based trapping process that generates trap data for sweetpotato beds and production fields. We conducted GIS analysis of SPW trap data, collected over three years, to assess the potential use of GIS tools in managing and interpreting the data. The LDAF has already generated shapefiles for all beds and fields in each of three years, facilitating GIS a

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31

Mao, Lixin, Louis E. Jett, Richard N. Story, Abner M. Hammond, Joseph K. Peterson, and Don R. Labonte. "INFLUENCE OF DROUGHT STRESS ON SWEETPOTATO RESISTANCE TO SWEETPOTATO WEEVIL, CYLAS FORMICARIUS (COLEOPTERA: APOINIDAE), AND STORAGE ROOT CHEMISTRY." Florida Entomologist 87, no. 3 (2004): 261–67. http://dx.doi.org/10.1653/0015-4040(2004)087[0261:iodsos]2.0.co;2.

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32

Miyasaka, Susan C., Sharon Motomura-Wages, Ishakh Pulakkatu-Thodi, et al. "Field Performance of Tissue-cultured, Virus-tested ‘Okinawan’ Sweetpotato and Comparison with Some Promising Cultivars in Hawai’i." HortTechnology 28, no. 5 (2018): 676–83. http://dx.doi.org/10.21273/horttech04009-18.

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Tissue-cultured, virus-tested (TC) plantlets of sweetpotato (Ipomoea batatas var. batatas) cultivars Okinawan, LA 08-21p, and Murasaki-29 were obtained from Louisiana State University Agricultural Center. The objectives of field trials conducted at the Kula Agricultural Park, Maui, HI, were to compare yield and pest resistance of 1) ‘Okinawan’ obtained from a commercial (C) field with TC ‘Okinawan’ and 2) TC Okinawan with the aforementioned TC cultivars. Trials were planted Oct. 2015 and Aug. 2016 and harvested 5 months later. Storage roots were graded according to State of Hawai’i standards,

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33

Jansson, Richard K., Adrian G. B. Hunsberger, Scott H. Lecrone, Daniel F. Austin, and G. William Wolfe. "Ipomoea hederifolia, a New Host Record for the Sweetpotato Weevil, Cylas formicarius elegantulus (Coleoptera: Curculionidae)." Florida Entomologist 72, no. 3 (1989): 551. http://dx.doi.org/10.2307/3495196.

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Dilipkumar, Masilamany, Shari Erwan‐Shah, Abdullah Anuar, and Annamalai Sivapragasam. "A sex pheromone‐baited trapping system for management of sweetpotato weevil,Cylas formicarius(Coleoptera: Brentidae)." Journal of Applied Entomology 143, no. 4 (2018): 408–16. http://dx.doi.org/10.1111/jen.12602.

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35

Wilson, D. D., R. F. Severson, K.-C. Son, and S. J. Kays. "Oviposition Stimulant in Sweet Potato Periderm for the Sweetpotato Weevil, Cylas formicarius elegantulus (Coleoptera: Curculionidae)." Environmental Entomology 17, no. 4 (1988): 691–93. http://dx.doi.org/10.1093/ee/17.4.691.

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36

Mannion, Catharine M., and Richard K. Jansson. "Movement and postinfection emergence of entomopathogenic nematodes from sweetpotato weevil, Cylas formicarius (F.) (Coleoptera: Apionidae)." Biological Control 2, no. 4 (1992): 297–305. http://dx.doi.org/10.1016/1049-9644(92)90022-6.

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37

KAWASOE, Koji, Osamu SETOKUCHI, and Kohjin NAKAGAWA. "Field control of the sweetpotato weevil, Cylas formicarius(Fabricius), with a synthetic sex pheromone and insecticides." Kyushu Plant Protection Research 39 (1993): 85–87. http://dx.doi.org/10.4241/kyubyochu.39.85.

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38

Chen, Jie, Michael J. Stout, Julien Beuzelin, et al. "Host preference of sweetpotato weevil, Cylas formicarius elegantulus (Summers): an example of Hopkins’ host-selection principle." Arthropod-Plant Interactions 13, no. 5 (2019): 779–86. http://dx.doi.org/10.1007/s11829-019-09704-0.

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Kuriwada, Takashi, Norikuni Kumano, Keiko Shiromoto, and Dai Haraguchi. "Pre-exposure to sex pheromone did not affect mating behavior in the sweetpotato weevil Cylas formicarius." Journal of Pest Science 84, no. 1 (2010): 93–97. http://dx.doi.org/10.1007/s10340-010-0331-4.

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40

Santoso, Teguh, Jacqualine Arriani Bunga, and Supramana Supramana. "BIOEFFICACY OF ENTOMOPATHOGENIC NEMATODE, STEINERNEMA SP. ISOLATED FROM TIMOR ISLAND AS BIOINSECTICIDE ON SWEET POTATO WEEVIL, CYLAS FORMICARIUS (FABR.) (COLEOPTERA: BRENTIDAE)." Journal of Biopesticides 02, no. 01 (2009): 87–91. http://dx.doi.org/10.57182/jbiopestic.2.1.87-91.

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ABSTRACT Bioefficacy of entomopathogenic nematode belongs to the genus Steinernema sp. were tested against mealworm Tenebrio mollitor with 50, 100, 150, 200 and 250 juveniles (IJs)/30 mealworm larvae. LC50 value was 105 IJs/ml for mealyworm. The invasion efficiency was lower as the density of nematodes increased. At highest density (250 IJs/ml), the efficiency of invasion of nematodes was 24.5 % whereas at lowest density (50 IJs/ml) the invasion efficiency reached 33%. For LT50 calculation, 30 larvae were put in contact with the nematode (density 250 IJs/ml) during 2, 4, 6, 8 and 10 hours. Mor

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SUGIYAMA, Mitsugu, Yukio SHIMOJI, and Tsuguo KOHAMA. "Effectiveness of a Newly Designed Sex Pheromone Trap for the Sweetpotato Weevil, Cylas formicarius (FABRICIUS) (Coleoptera: Brentidae)." Applied Entomology and Zoology 31, no. 4 (1996): 547–50. http://dx.doi.org/10.1303/aez.31.547.

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42

Ouyang, Haoyong, Pengxiang Wu, Runzhi Zhang, and Muhammad Haseeb. "Trade-off Investment between Tonic Immobility and Mate Search in the Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae)." Insects 11, no. 11 (2020): 774. http://dx.doi.org/10.3390/insects11110774.

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Tonic immobility (TI) is a well-known anti-predator strategy adopted by diverse preys. Numerous studies on the cost–benefit involve in TI have been reported. Although, some studies have reported the effect of mating behavior on TI, few studies highlight the phases of mate search. In the present study, we investigated the relationship between mate search and TI behavior in the sweetpotato weevil (SPW), Cylas formicarius (Coleoptera: Brentidae). First, we found the most active mate search period of male SPW within 24 h. Then, we measured whether the duration of TI of virgin male and female were

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Ouyang, Haoyong, Runzhi Zhang, and Muhammad Haseeb. "Investment Trade-Off between Mating Behavior and Tonic Immobility in the Sweetpotato Weevil Cylas formicarius (Coleoptera: Brentidae)." Insects 14, no. 1 (2023): 73. http://dx.doi.org/10.3390/insects14010073.

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Numerous studies have confirmed that the trade-off between anti-predator behavior and mating behavior occurs in certain insect species. This suggests that insects invest more in anti-predator behavior, and fewer resources or time can be used in mating behavior. However, few studies focus on tonic immobility, an important anti-predator behavior in nature, and different stages in mating behavior. Tonic immobility (TI) is considered to be an important anti-predator behavior. Herein, we investigated the relationship between TI and mating behavior in the sweetpotato weevil (SPW), Cylas formicarius.

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Villordon, Arthur, Craig Roussel, and Tad Hardy. "USING GIS TO ANALYZE SWEET POTATO WEEVIL TRAP DATA IN LOUISIANA." HortScience 40, no. 3 (2005): 868c—868. http://dx.doi.org/10.21273/hortsci.40.3.868c.

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The Louisiana Department of Agriculture and Forestry (LDAF) conducts sweetpotato weevil (SPW) (Cylas formicarius Fabricius) monitoring as part of the statewide SPW quarantine program. This activity involves a statewide pheromone-based trapping program that monitors sweetpotato beds and production fields. We conducted GIS analysis of SPW trap data, collected over three years, to assess the potential use of publicly available GIS tools in managing and interpreting the data. Trap data was mapped to specific beds and fields in each of three years, generating layers that clearly showed fields and p

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Villordon, Arthur, Craig Roussel, and Tad Hardy. "(321) Development of a GIS-based Model for Predicting Sweetpotato Weevil Infestation Risk in Louisiana: Progress, Problems, and Prospects." HortScience 41, no. 4 (2006): 1045B—1045. http://dx.doi.org/10.21273/hortsci.41.4.1045b.

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The sweetpotato weevil [SPW, Cylas formicarius (Fabricius)] is an important economic pest in “pink-tagged” or SPW-infested areas of Louisiana. From time to time, sweetpotato weevils are detected in “green-tagged” or SPW-free locations. When sweetpotato weevils are detected in “green'tagged” areas, the produce is quarantined and may not be shipped to locations that do not allow “pink-tagged” sweetpotatoes. As part of the statewide SPW monitoring program, the Louisiana Department of Agriculture and Forestry (LDAF) conducts a statewide pheromone-based trapping program to monitor SPW presence in b

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Mao, Lixin, Richard N. Story, Abner M. Hammond, and Don R. Labonte. "Effect of Sweetpotato Genotype, Storage Time and Production Site on Feeding and Oviposition Behavior of the Sweetpotato Weevil, Cylas formicarius (Coleoptera: Apoinidae)." Florida Entomologist 84, no. 2 (2001): 259. http://dx.doi.org/10.2307/3496177.

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Kamimuro, Takeshi, Fumihiro Shimotsu, Shinji Satoshima, and Akira Kamifukumoto. "Copulatory and oviposition behavior of females pair-reared with gamma-irradiated adult male sweetpotato weevil, Cylas formicarius (Fabricius)." Kyushu Plant Protection Research 55 (2009): 126–31. http://dx.doi.org/10.4241/kyubyochu.55.126.

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Tarafdar, J., and M. A. Sarkar. "MANAGING SWEETPOTATO WEEVIL (CYLAS FORMICARIUS FABRICIUS) IN WEST BENGAL, INDIA, BY SOME CHEMICALS, BIOPRODUCTS AND SEX PHEROMONE TRAPS." Acta Horticulturae, no. 703 (February 2006): 189–96. http://dx.doi.org/10.17660/actahortic.2006.703.23.

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Syahnas, F., D. Bakti, L. Lubis, Rosmayati, and N. Rahmawati. "Resistance test of several sweet potato genotypes against sweetpotato weevil Cylas formicarius Fabricus (Coleoptera: Curculionidae) in the lowlands." IOP Conference Series: Earth and Environmental Science 260 (June 7, 2019): 012135. http://dx.doi.org/10.1088/1755-1315/260/1/012135.

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Kamimuro, Takeshi, Fumihiro Shimotsu, Shinji Satoshima, and Akira Kamifukumoto. "Susceptibility of the Sweetpotato Weevil, Cylas formicarius (Fabricius), to Fenitrothion and Anesthesia Method for Topical Application of Insecticides." Japanese Journal of Applied Entomology and Zoology 57, no. 2 (2013): 95–99. http://dx.doi.org/10.1303/jjaez.2013.95.

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