Applied Entomology and Zoology最新文献

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Destinations of third-generation Mythimna separata (Lepidoptera: Noctuidae) moths in Jilin and its effects on population genetic diversity 吉林省第三代夜蛾(鳞翅目:夜蛾科)的分布及其对种群遗传多样性的影响
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-08-01 DOI: 10.1007/s13355-022-00792-8
Wei Sun, Qianfu Su, Wei Yang, Jiachun Zhou, Yuebo Gao
{"title":"Destinations of third-generation Mythimna separata (Lepidoptera: Noctuidae) moths in Jilin and its effects on population genetic diversity","authors":"Wei Sun,&nbsp;Qianfu Su,&nbsp;Wei Yang,&nbsp;Jiachun Zhou,&nbsp;Yuebo Gao","doi":"10.1007/s13355-022-00792-8","DOIUrl":"10.1007/s13355-022-00792-8","url":null,"abstract":"<div><p>Third-generation oriental armyworm larvae, <i>Mythimna separata</i> (Walker) (Lepidoptera: Noctuidae), have caused considerable economic losses in Jilin. Understanding the occurrence, regularity and return movement of third-generation adults is crucial for pest forecasting. The study was conducted using systemic monitoring, radar observations and molecular markers from 2015 to 2019. The main results are as follows: (1) third-generation moths were regularly captured from late August to late September. These moths have been attributed to local emergence and were identified as an “emigration population.” Wind speed and temperature were advantageous for moth migration, and advantageous northeasterly winds account for 9.6% of the total. Radar studies determined that the migrant flying height was mainly below 600 m. Moths migrated over a range of directions, including their return movements. Forward trajectories predicted that the destination regions of the Korean Peninsula, the Russian Far East, and northern China were unfavorable for survival. (2) A total of 29 haplotypes were detected. There were unique haplotypes between two sampling years. The haplotype analysis indicated similar content in the two sampling years. The haplotype diversity indices appear to have been maintained. Overall, our findings indicate that the moths did not make a successful return flight, but the genetic diversity was unaffected.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"333 - 345"},"PeriodicalIF":1.3,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00792-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42380967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal sensitivity of Xenorhabdus bovienii (Enterobacterales: Morganellaceae) isolated from Steinernema feltiae (Rhabditida: Steinernematidae) originating from different habitats 从不同生境的费氏斯坦纳马(横纹肌目:斯坦纳马科)分离的bovienxenorhabdus(肠杆菌目:摩根杆菌科)的热敏性
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-07-21 DOI: 10.1007/s13355-022-00793-7
Jaśmina Patrycja Mackiewicz, Paulina Ewa Kramarz, Anna Rożen
{"title":"Thermal sensitivity of Xenorhabdus bovienii (Enterobacterales: Morganellaceae) isolated from Steinernema feltiae (Rhabditida: Steinernematidae) originating from different habitats","authors":"Jaśmina Patrycja Mackiewicz,&nbsp;Paulina Ewa Kramarz,&nbsp;Anna Rożen","doi":"10.1007/s13355-022-00793-7","DOIUrl":"10.1007/s13355-022-00793-7","url":null,"abstract":"<div><p>The soil-dwelling nematode <i>Steinernema feltiae</i> is found across a wide range of environmental conditions. We asked if its only bacterial symbiont, <i>Xenorhabdus bovienii</i>, shows intraspecific variability in its thermal range, which may affect effectiveness of <i>S. feltiae</i> against host insects. We isolated <i>X. bovienii</i> from <i>S. feltiae</i> from six different natural locations with different mean annual temperatures and two laboratory cultures. We estimated <i>X. bovienii</i> thermal range and determined the specific growth rate based on optical density measurements and mathematical modeling using the Ratkowsky model. The minimal temperature (<i>T</i><sub>min</sub>) of <i>X. bovienii</i> growth ranged from 0.9 ± 2.2 °C to 7.1 ± 1.4 °C. The optimal temperature (<i>T</i><sub>opt</sub>) varied between 25.1 ± 0.2 °C and 30.5 ± 0.2 °C. The model showed that <i>X. bovienii</i> stops multiplying at around 36 °C. The calculated specific <i>X. bovienii</i> growth rate ranged from 2.0 ± 0.3 [h<sup>−1</sup>] to 3.6 ± 0.5 [h<sup>−1</sup>]. No differences in <i>T</i><sub>min</sub>, <i>T</i><sub>opt</sub>, and <i>T</i><sub>max</sub> between the isolated bacteria were found. Additionally, <i>X. bovienii</i> <i>T</i><sub>opt</sub> did not correlate with the mean annual temperature of <i>S. feltiae</i> origin. However, the obtained growth curves suggested that the analyzed <i>X. bovienii</i> may show some variability when comparing the growth curves characteristics.\u0000</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"347 - 355"},"PeriodicalIF":1.3,"publicationDate":"2022-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00793-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45521872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reduction in gut bacterial diversity does not impact on biology of Spodoptera litura (Lepidoptera: Noctuidae) 肠道细菌多样性的减少不影响斜纹夜蛾(鳞翅目:夜蛾科)的生物学。
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-07-21 DOI: 10.1007/s13355-022-00794-6
Sarita Devi, Harvinder Singh Saini, Sanehdeep Kaur
{"title":"Reduction in gut bacterial diversity does not impact on biology of Spodoptera litura (Lepidoptera: Noctuidae)","authors":"Sarita Devi,&nbsp;Harvinder Singh Saini,&nbsp;Sanehdeep Kaur","doi":"10.1007/s13355-022-00794-6","DOIUrl":"10.1007/s13355-022-00794-6","url":null,"abstract":"<div><p>Insect gut microbial associations play an important role in nutrition and digestion, detoxification of secondary plant metabolites, protection from pathogens, development, reproduction etc. <i>Spodoptera litura</i> (Fabricius) (Lepidoptera: Noctuidae), commonly known as a tobacco caterpillar, causes severe damage to numerous agricultural crops. To investigate the functional role of gut bacteria, <i>S. litura</i> larvae were fed on diet treated with streptomycin sulphate and rifampicin. It was observed that antibiotic treatment altered the gut bacterial diversity. The number of culturable gut bacteria reduced with the increase in concentration of antibiotics as well as feeding duration. Streptomycin sulphate was observed to be more efficient in removal of gut bacteria than the other antibiotic. However, it was observed that elimination of gut bacteria did not affect the survival and development indicating that bacteria may not be playing any significant role in the fitness of <i>S. litura.</i></p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"357 - 362"},"PeriodicalIF":1.3,"publicationDate":"2022-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00794-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42320546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Development of a novel nuclear DNA marker to identify biotypes A and B of the stone leek leafminer, Liriomyza chinensis (Diptera: Agromyzidae) 石韭叶蝉a、B生物型核DNA标记的建立(双翅目:稻蝇科)
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-07-09 DOI: 10.1007/s13355-022-00790-w
Chihiro Urairi, Ryuji Uesugi, Satoshi Fujito
{"title":"Development of a novel nuclear DNA marker to identify biotypes A and B of the stone leek leafminer, Liriomyza chinensis (Diptera: Agromyzidae)","authors":"Chihiro Urairi,&nbsp;Ryuji Uesugi,&nbsp;Satoshi Fujito","doi":"10.1007/s13355-022-00790-w","DOIUrl":"10.1007/s13355-022-00790-w","url":null,"abstract":"<div><p>The stone leek leafminer <i>Liriomyza chinensis</i> (Kato, 1949) (Diptera: Agromyzidae) is a serious insect pest that invades the Japanese bunching onion (JSAEZ (ed.) 2006). A novel population of <i>L. chinensis</i>, here termed biotype B, has been repeatedly detected in many prefectures in Japan since 2016, which showed larval mine forms different from those of the native <i>L. chinensis</i> populations (biotype A). Though a previous study examined a portion of the mitochondrial cytochrome c oxidase I (mtCOI) sequences of these biotypes and revealed that there is DNA polymorphism between biotypes A and B, their nuclear DNA has not been examined; therefore, hybrid individuals have not been detected. To identify the biotypes of <i>L. chinensis</i> collected around Japan with precision, a novel nuclear DNA marker was established. Moreover, to reveal their phylogenetic relationships, phylogenetic analyses were conducted by comparing the biotype mtCOI and D2 region sequences of the 28S rDNA, which represent useful indexes of phylogenetic differentiation. Based on these analyses, the monophyly of <i>L. chinensis</i> was strongly supported (100% bootstrap support). The nuclear and mitochondrial DNA markers facilitated gathering maternal mitochondrial information and distinguishing hybrid individuals. This approach may help elucidate reproductive interference, which may cause the replacement of biotype A with biotype B.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"313 - 322"},"PeriodicalIF":1.3,"publicationDate":"2022-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44194142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Characterization and functional significance of bacteria associated with rugose spiralling whitefly, Aleurodicus rugioperculatus Martin (Hemiptera: Aleyrodidae) reared on guava plants 在番石榴上饲养的皱纹螺旋粉蝶Aleurodicus rugioperculatus Martin(半翅目:Aleyrodidae)相关细菌的特征及其功能意义
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-07-06 DOI: 10.1007/s13355-022-00791-9
M. Saranya, J. S. Kennedy, R. Anandham, A. Manikandan
{"title":"Characterization and functional significance of bacteria associated with rugose spiralling whitefly, Aleurodicus rugioperculatus Martin (Hemiptera: Aleyrodidae) reared on guava plants","authors":"M. Saranya,&nbsp;J. S. Kennedy,&nbsp;R. Anandham,&nbsp;A. Manikandan","doi":"10.1007/s13355-022-00791-9","DOIUrl":"10.1007/s13355-022-00791-9","url":null,"abstract":"<div><p>Rugose spiralling whitefly, <i>Aleurodicus rugioperculatus</i> Martin (Hemiptera: Aleyrodidae) is an introduced phloem feeder of guava. Gut symbiotic bacteria alter the physiology of the host insect. The present study characterized the nine bacterial isolates from the second nymphal stage of rugose spiralling whitefly using seven different bacteria growth media viz., Nutrient Agar (NA), Luria Bertani agar (LBA), MacConkey agar (MCA), Tryptic Soya Agar (TSA), Endo Agar (EA), R2A agar and MRS agar. Among the nine bacterial isolates, chitinase-producing isolates (seven species) were proceeded for biochemical tests, protease and siderophore activities. Out of seven chitinase producers, protease (seven species) and siderophore (two species) producers were identified using skim milk agar and Chromazurol S (CAS) agar plates, respectively. The biochemical tests showed that all bacterial isolates were Gram positive. Bacterial isolates SGRSW2, SGRSW4, SGRSW6 and SGRSW8 showed negative for carbohydrate fermentation, indole production, citrate utilization, starch hydrolysis tests and also, SGRSW4 showed positive for lactose fermentation. 16S rRNA gene sequencing results revealed that <i>Bacillus</i> genus alone is associated with rugose spiralling whitefly which includes <i>Bacillus albus</i>, <i>Bacillus tequilensis</i> and <i>Bacillus altitudinis</i>. Bacterial communities associated with rugose spiralling whitefly offers basic knowledge about their functional significance to study the physiological role in the host insect.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"323 - 331"},"PeriodicalIF":1.3,"publicationDate":"2022-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00791-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44098479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predation of syrphid larvae (Diptera: Syrphidae) on thrips in onion fields intercropped with barley 洋葱与大麦间作区内食蚜幼虫对蓟马的捕食
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-06-27 DOI: 10.1007/s13355-022-00789-3
Takayuki Sekine, Masaaki Osaka, Takeru Itabashi, Naoki Chiba, Hideto Yoshimura, Ryuji Uesugi, Ken Tabuchi, Takeshi Shimoda
{"title":"Predation of syrphid larvae (Diptera: Syrphidae) on thrips in onion fields intercropped with barley","authors":"Takayuki Sekine,&nbsp;Masaaki Osaka,&nbsp;Takeru Itabashi,&nbsp;Naoki Chiba,&nbsp;Hideto Yoshimura,&nbsp;Ryuji Uesugi,&nbsp;Ken Tabuchi,&nbsp;Takeshi Shimoda","doi":"10.1007/s13355-022-00789-3","DOIUrl":"10.1007/s13355-022-00789-3","url":null,"abstract":"<div><p>Syrphid larvae are well-known predators of aphids; however, we sometimes observed them on onion plants with thrips and without any aphids, which intercropped with barley in our previous study. Therefore, we hypothesized that syrphid larvae fed on thrips in the onion field in the absence of aphids, their main prey. This hypothesis was tested by analyzing the prey DNA from syrphid larvae collected from onion plants intercropped with barley. We found that they preyed on three thrips species: <i>Thrips tabaci</i> (Lindeman), <i>Frankliniella occidentalis</i> (Pergande), and <i>Anaphothrips obscurus</i> (Müller). Moreover, we observed that syrphid larvae collected from onion plants fed on larval <i>T. tabaci</i> in a laboratory setting. According to <i>COI</i> sequencing of their genomes, the syrphid species occurred from the onion plants were <i>Sphaerophoria macrogaster</i> (Thomson), <i>Melanostoma scalare</i> (Fabricius), <i>Melanostoma mellinum</i> (L.), and <i>Platycheirus pennipes</i> (Ohara); all of them were found to prey on thrips in the prey DNA analyses. These results and observations supported the hypothesis and suggested that intercropping barley as a living mulch may become an option for enhancing the potential of native syrphid species as generalist predators in the onion fields.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"305 - 311"},"PeriodicalIF":1.3,"publicationDate":"2022-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45087112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Andrena semirugosa brassicae (Hymenoptera: Andrenidae) as a major small bee species in apple orchards in Japan 日本苹果园中一个主要的小蜂种——半寄生蜂(膜翅目:寄生蜂科
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-06-23 DOI: 10.1007/s13355-022-00787-5
Tsunashi Kamo, Ken Funayama, Hidenari Kishimoto, Kouki Yoshida, Shigeki Kishi
{"title":"Andrena semirugosa brassicae (Hymenoptera: Andrenidae) as a major small bee species in apple orchards in Japan","authors":"Tsunashi Kamo,&nbsp;Ken Funayama,&nbsp;Hidenari Kishimoto,&nbsp;Kouki Yoshida,&nbsp;Shigeki Kishi","doi":"10.1007/s13355-022-00787-5","DOIUrl":"10.1007/s13355-022-00787-5","url":null,"abstract":"<div><p>Wild small bees are known to visit apple flowers along with honeybees and other bees. However, their species composition in Japan has not been well investigated for more than 50 years. Here, we identified 791 wild small bee individuals captured in seven apple orchards in four prefectures. <i>Andrena semirugosa brassicae</i> (Hymenoptera: Andrenidae) was the predominant species visiting apple flowers in five orchards, although it had not been listed as a major visitor in past studies. This species was also the major visitor to dandelion flowers in the orchards. We deposited the sequences of the cytochrome <i>c</i> oxidase subunit I gene (<i>CO1</i>) of 250 individuals (7 genera; 32 species) in DDBJ to support the genetic identification of small bees widely observed in apple orchards in Japan.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 4","pages":"379 - 384"},"PeriodicalIF":1.3,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00787-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43700098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Capture effect of yellow sticky traps covered with meshes of different colors and sizes on Bemisia tabaci (Hemiptera: Aleyrodidae) and nontarget organisms 不同颜色和大小网眼覆盖的黄色粘性诱捕器对烟粉虱(半翅目:Aleyrodidae)和非目标生物的捕获效果
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-06-14 DOI: 10.1007/s13355-022-00786-6
Walter Arturo Rubio Aragón, Guadalupe Alfonso López Urquídez, Silvia Alicia Félix Camacho, Alan Douriet Ángulo, Jorge Alberto Edeza Urías, Carlos Alfonso López Orona
{"title":"Capture effect of yellow sticky traps covered with meshes of different colors and sizes on Bemisia tabaci (Hemiptera: Aleyrodidae) and nontarget organisms","authors":"Walter Arturo Rubio Aragón,&nbsp;Guadalupe Alfonso López Urquídez,&nbsp;Silvia Alicia Félix Camacho,&nbsp;Alan Douriet Ángulo,&nbsp;Jorge Alberto Edeza Urías,&nbsp;Carlos Alfonso López Orona","doi":"10.1007/s13355-022-00786-6","DOIUrl":"10.1007/s13355-022-00786-6","url":null,"abstract":"<div><p>Management of <i>Bemisia tabaci</i> (Gennadius) (Hemiptera: Aleyrodidae) populations is a key strategy to reduce the transmission of viruses to crops. Yellow sticky traps are widely used tools to monitor and/or reduce <i>B. tabaci</i> populations. Nevertheless, these traps also allow the collection of debris and nontarget organisms including <i>B. tabaci</i> natural enemies. Covering the surface of the traps with a mesh is an alternative to mitigate those unwanted effects. Two field experiments were carried out to determine the color and size effect of the mesh on the capture of <i>B. tabaci</i> and nontarget organisms. The color experiment showed that among the 13 colors evaluated, only the yellow mesh did not reduce statically the number of <i>B. tabaci</i> captured compared with the uncovered traps. On the size experiment, among the three sizes evaluated, no statistical effect on the number of <i>B. tabaci</i> captured was exhibited. For the capture of nontarget organisms, the significative lowest values were showed in the small diamond and hexagon grooves. Those mesh traits were validated with two additional field experiments. The results of this study indicate that yellow sticky traps covered with a yellow mesh reduce the collection of nontarget organisms without affecting the capture of <i>B. tabaci</i>.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 3","pages":"249 - 255"},"PeriodicalIF":1.3,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43300878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Pollinators of Oriental persimmon in Japan 日本东方柿子授粉器
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-06-10 DOI: 10.1007/s13355-022-00784-8
Tsunashi Kamo, Aoi Nikkeshi, Hiromitsu Inoue, Shunsuke Yamamoto, Nobuo Sawamura, Shoko Nakamura, Shigeki Kishi
{"title":"Pollinators of Oriental persimmon in Japan","authors":"Tsunashi Kamo,&nbsp;Aoi Nikkeshi,&nbsp;Hiromitsu Inoue,&nbsp;Shunsuke Yamamoto,&nbsp;Nobuo Sawamura,&nbsp;Shoko Nakamura,&nbsp;Shigeki Kishi","doi":"10.1007/s13355-022-00784-8","DOIUrl":"10.1007/s13355-022-00784-8","url":null,"abstract":"<div><p>Japanese farmers who grow Oriental persimmon, <i>Diospyros kaki</i> Thunb. (Ericales: Ebenaceae), occasionally introduce <i>Apis mellifera</i> L. (Hymenoptera: Apidae) hives into their orchards during the flowering season, mainly because cultivars such as ‘Fuyu’ require pollination for stable fruit set. However, wild pollinators might serve this function. Thus, we aimed at identifying the most important pollinators of <i>D. kaki</i> in Japan by surveying visitation frequency across ten prefectures and pollination efficiency. The predominant flower visitors were <i>Bombus ardens ​ardens</i> Smith (Hymenoptera: Apidae) and <i>A. mellifera</i>, with similar pollination efficiencies. The estimated threshold number of pollen grains for fruit set of <i>D. kaki</i> ‘Fuyu’ was 27, which was comparable to the number deposited by a single visit of either species, meaning one visit of these dominant visitors probably induces fruit set. However, more pollen grains deposited by multiple visits further ensured fruit set. To achieve &gt; 80% fruit set, more than about 70 pollen grains were needed. These results indicate that several visits by the bees would be sufficient for fruit set of <i>D. kaki</i> ‘Fuyu’.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 3","pages":"237 - 248"},"PeriodicalIF":1.3,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00784-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42755016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Photoperiodic time measurement, photoreception, and circadian clocks in insect photoperiodism 昆虫光周期的光周期时间测量、光感受和生物钟
IF 1.3 4区 农林科学
Applied Entomology and Zoology Pub Date : 2022-06-08 DOI: 10.1007/s13355-022-00785-7
Shin G. Goto
{"title":"Photoperiodic time measurement, photoreception, and circadian clocks in insect photoperiodism","authors":"Shin G. Goto","doi":"10.1007/s13355-022-00785-7","DOIUrl":"10.1007/s13355-022-00785-7","url":null,"abstract":"<div><p>Photoperiodism is an adaptive response used by organisms to assess day length and anticipate upcoming seasons and to coordinate their (or their offspring’s) development and physiology with the environmental changes. These physiological mechanisms have long been studied to understand insect life cycles, combat pests, conserve endangered species, and rear beneficial insects. Recent genetic manipulations have greatly expanded our knowledge of the molecular mechanisms underlying photoperiodism. Here, I review our current knowledge of the physiological and molecular mechanisms underlying photoperiodic time measurement, photoreception, and circadian clocks, which constitute insect photoperiodism modules, with a special emphasis on photoperiodic time measurement models.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"57 3","pages":"193 - 212"},"PeriodicalIF":1.3,"publicationDate":"2022-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13355-022-00785-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49205869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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