Journal of Asia-pacific Entomology最新文献_第2页

Resistance allele frequencies of Chilo suppressalis populations to Cry1Ab in Chongqing 重庆地区抑制螟种群对Cry1Ab抗性等位基因频率分析

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-05-13 DOI: 10.1016/j.aspen.2025.102423

Wencai Lu, Lianjie Ma, Xingru Chen, Dong Wang, Yan Wang, Hui Zhang

{"title":"Resistance allele frequencies of Chilo suppressalis populations to Cry1Ab in Chongqing","authors":"Wencai Lu, Lianjie Ma, Xingru Chen, Dong Wang, Yan Wang, Hui Zhang","doi":"10.1016/j.aspen.2025.102423","DOIUrl":"10.1016/j.aspen.2025.102423","url":null,"abstract":"<div><div>Transgenic rice expressing <em>Bacillus thuringiensis</em> (Bt) insecticidal toxins for insect resistance represent a novel method of controlling <em>Chilo suppressalis</em>; however, potential resistance of pests to Bt toxins is a key factor restricting sustainable application of transgenic Bt crops. Here, we assessed the initial risk of resistance to transgenic Bt rice in local <em>C. suppressalis</em> populations in the municipality of Chongqing in China by testing their sensitivities to Bt proteins and determining resistance allele frequencies. Toxicity testing showed that sensitivity of <em>C. suppressalis</em> populations to Bt toxins (Cry1Ab and Cry1Ac) varied across geographical areas (LC<sub>50</sub> ranges, 1.39–7.14 and 3.02–8.81 mg/L, respectively), with sensitivity of the Fengjie population to Cry1Ab 5.13-fold that of the Nanchuan population. F<sub>2</sub> screening showed that resistance allele frequencies to Cry1Ab in <em>C. suppressalis</em> larvae, pupae, and adults in Chongqing were 0.0048, 0.0050, and 0.0053 during 1999–2021, respectively. After 20 generations of resistance selection using Cry1Ab, the resistance level of the <em>C. suppressalis</em> population was 15.67-fold that of the initial population. These results demonstrate the presence of Bt protein-resistant <em>C. suppressalis</em> individuals, and a risk of producing resistant <em>C. suppressalis</em> populations, in the field in Chongqing, China.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102423"},"PeriodicalIF":1.1,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144069802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Ultrastructure and sense organs of ovipositors in the phytophagous gall-maker pest Ophelimus maskelli (Hymenoptera: Eulophidae) and its parasitoid, Closterocerus chamaeleon (Hymenoptera: Eulophidae) 植食性造瘿害虫麻蝇（膜翅目：蜂科）及其寄生蜂变色龙（膜翅目：蜂科）产卵器的超微结构和感觉器官

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-05-12 DOI: 10.1016/j.aspen.2025.102424

Yuan-Hao Li , Yu-Yue Huang , Yu-Chun Huang, Xiao-Rong Tang, Wen-Ting Huang, Xia-Lin Zheng

{"title":"Ultrastructure and sense organs of ovipositors in the phytophagous gall-maker pest Ophelimus maskelli (Hymenoptera: Eulophidae) and its parasitoid, Closterocerus chamaeleon (Hymenoptera: Eulophidae)","authors":"Yuan-Hao Li , Yu-Yue Huang , Yu-Chun Huang, Xiao-Rong Tang, Wen-Ting Huang, Xia-Lin Zheng","doi":"10.1016/j.aspen.2025.102424","DOIUrl":"10.1016/j.aspen.2025.102424","url":null,"abstract":"<div><div>The ultrastructure and sense organs of ovipositors in the phytophagous gall-maker pest <em>Ophelimus maskelli</em> and its parasitoid, <em>Closterocerus chamaeleon</em> were observed with scanning electron microscopy. The ovipositors of both species were comprised of 3-paired valvulae (first, second and third valvulae) and ended in a pointed tip. There were three types of sensilla (i.e., sensilla chaetica I and II; sensilla campaniformia) and three types of microtrichia (i.e., microtrichia I, II and III) on the ovipositors of <em>O. maskelli</em>, and six types of sensilla (i.e., sensilla chaetica I and III; sensilla styloconica I, II and III; sensilla campaniformia) and three types of microtrichia (i.e., microtrichia IV, V and VI) on the ovipositors of <em>C. chamaeleon.</em> The morphology, types, distribution, length, and width of these sensilla and microtrichia were described, and their possible functions were discussed in relation to the stinging, oviposition, and host selection process.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102424"},"PeriodicalIF":1.1,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143941428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Comparing organophosphate and pyrethroid resistance levels of Aedes aegypti (Diptera: Culicidae) in frequent and infrequent application areas of Taiwan 台湾常用药区与非常用药区埃及伊蚊（双翅目：库蚊科）对有机磷和拟除虫菊酯的抗性比较

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-05-10 DOI: 10.1016/j.aspen.2025.102421

Chang-Yu Wu , Shu-Mei Dai , Chin-Gi Huang , Yu-Hsien Chen , Wen-Ting Wang , Chien-Yu Chen , Ju-Chun Hsu

{"title":"Comparing organophosphate and pyrethroid resistance levels of Aedes aegypti (Diptera: Culicidae) in frequent and infrequent application areas of Taiwan","authors":"Chang-Yu Wu , Shu-Mei Dai , Chin-Gi Huang , Yu-Hsien Chen , Wen-Ting Wang , Chien-Yu Chen , Ju-Chun Hsu","doi":"10.1016/j.aspen.2025.102421","DOIUrl":"10.1016/j.aspen.2025.102421","url":null,"abstract":"<div><div><em>Aedes aegypti</em> mosquitoes spread a number of diseases that cause significant impacts to public health. In Taiwan, <em>Ae. aegypti</em> are mainly controlled using chemical insecticides, but previous studies indicate that <em>Ae. aegypti</em> may have developed resistance to several insecticides. We hypothesized that <em>Ae. aegypti</em> resistance levels could be affected by insecticide application frequencies and therefore compared transcriptome information, expressions of metabolic resistance genes, and gene mutations of field adult mosquitoes collected from Kaohsiung City (frequent application area, insecticides applied once a week) and Tainan City (infrequent application area, insecticides applied only when dengue cases were discovered); a laboratory strain was established as control. Next-generation sequencing was used to identify potential resistance genes from four main detoxification categories, bioassays were used to determine knockdown effects and mortality rates, and point mutations relating to target resistance were further analyzed. A total of 50 detoxification differential transcripts were identified following comparison with the laboratory strain, and more differential transcripts were found in mosquitos collected from the frequent application area (Kaohsiung). Mosquitoes from areas with frequent applications displayed lower mortality rates, confirming a difference in resistance levels. Additionally, mosquitoes from frequent application areas showed higher levels of resistance to pyrethroids compared with organophosphates. We found silent mutations at G923, L982, and A1007, as well as point mutations at S989P, V1016G, F1534C, and D1763Y. V1016G occurred in all four strains we collected, indicating that pyrethroid resistance in <em>Ae. aegypti</em> has begun to develop in all regions.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102421"},"PeriodicalIF":1.1,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143941396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Virulence of Beauveria bassiana ARP14 on two ladybird beetles: Harmonia axyridis and Chilocorus sp. 球孢白僵菌ARP14对两种瓢虫的毒力研究。

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-29 DOI: 10.1016/j.aspen.2025.102419

Md. Rasel Raju, Md. Rajib Hasan, Un Taek Lim

{"title":"Virulence of Beauveria bassiana ARP14 on two ladybird beetles: Harmonia axyridis and Chilocorus sp.","authors":"Md. Rasel Raju, Md. Rajib Hasan, Un Taek Lim","doi":"10.1016/j.aspen.2025.102419","DOIUrl":"10.1016/j.aspen.2025.102419","url":null,"abstract":"<div><div>Ladybird beetles are common predators that help reduce populations of many pest insects. In this study, we compared the virulence of a native entomopathogenic fungus, <em>Beauveria bassiana</em> ARP14, with a commercial strain (GHA) of the same species to two ladybird beetles, <em>Harmonia axyridis</em> and <em>Chilocorus</em> sp. The pathogen was applied via topical application in the laboratory at 1 × 10<sup>8</sup> conidia/ml. The ST<sub>50</sub> values were not different between the ARP14 and GHA strains for larval <em>H. axyridis</em>, but were higher for the ARP14 strain for adults of both species. ARP14 showed less virulence against adult ladybird beetles than did GHA. However, the mycosis rates on larval <em>H. axyridis</em> by the ARP14 strain reached 83.3 % at 16 days after treatment, while it was 56.7 % for the GHA strain. Mycosis rates in adults were not different between the ARP14 (up to 56.7 %) and GHA (up to 43.3 %) strains. <em>Chilocorus</em> sp. adults showed higher mycosis rates in ARP14 (up to 80.0 %) than in GHA (up to 46.7 %) for the period from 15 to 20 days after treatment. Therefore, we conclude that <em>B. bassiana</em> ARP14 did not increase ladybird beetle’s mortality, its higher mycosis rate indicates a potential risk to beetles, requiring further study to assess ecological compatibility.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102419"},"PeriodicalIF":1.1,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143916092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Lecanicillium saksenae: a novel nematophagous fungus against root knot nematode, Meloidogyne incognita (Kofoid & White, 1919) from Kerala, India saksenae Lecanicillium：来自印度喀拉拉邦的一种抗根结线虫的新型噬线虫真菌，Meloidogyne incognita (Kofoid & White, 1919

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-25 DOI: 10.1016/j.aspen.2025.102416

P. Sreeja , O.P. Reji Rani , Mani Chellappan

{"title":"Lecanicillium saksenae: a novel nematophagous fungus against root knot nematode, Meloidogyne incognita (Kofoid & White, 1919) from Kerala, India","authors":"P. Sreeja , O.P. Reji Rani , Mani Chellappan","doi":"10.1016/j.aspen.2025.102416","DOIUrl":"10.1016/j.aspen.2025.102416","url":null,"abstract":"<div><div>Identification of virulent nematophagous fungi is of great importance in biocontrol of plant parasitic nematodes. <em>Lecanicillium saksenae</em> is an indigenous isolate from Kerala, India with a high speed of kill against hemipteran pests. Nematophagous nature of the fungus unveiled in the preliminary studies prompted to evaluate its pathogenicity against root-knot nematode, <em>Meloidogyne incognita. In vitro</em> studies confirmed parasitism on nematode eggs eventually leading to its disintegration within 10 days. Bioefficacy studies carried out on eggs with partially purified hydrolytic enzymes revealed that the hatching was significantly reduced to 18.8 % with chitinase (100 μg/mL) and 10.4 % with protease (100 μg/mL) as against 70.80 % in absolute control. The combined application of protease and chitinase further decreased the egg hatching to 7.8 %. Scanning electron microscopy of the enzyme-treated eggs exhibited uneven and shrunken surfaces with distinct lines of breakage on the outer vitelline layer. Bioefficacy studies with the culture filtrate of <em>L. saksenae</em> on J<sub>2</sub> of <em>M. incognita</em> unveiled that the highest concentration (100 %), resulted in 100 % mortality after 96 h as compared to the control (12.5 %). In the egg hatching assay, the hatching per cent was only 3.25 at 120 h as against 76.25 per cent in control. The nematicidal potential of <em>L. saksenae</em> identified in this study would pave the way to the possibilities of tapping its potential as a biocontrol agent against <em>M. incognita</em>.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102416"},"PeriodicalIF":1.1,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144069809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Joint toxicity and control efficacy of chemical pesticides and insecticidal bacteria against Spodoptera frugiperda (Lepidoptera: Noctuidae) 化学农药与杀虫细菌对夜蛾的联合毒力及防效研究

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-24 DOI: 10.1016/j.aspen.2025.102414

Hui-Zi Wu , Xing-Run Pan , Jun Shen , Pei-Yun He , Hai-Qun Cao , Cheng-Wang Sheng , Jia-Sheng Chen

{"title":"Joint toxicity and control efficacy of chemical pesticides and insecticidal bacteria against Spodoptera frugiperda (Lepidoptera: Noctuidae)","authors":"Hui-Zi Wu , Xing-Run Pan , Jun Shen , Pei-Yun He , Hai-Qun Cao , Cheng-Wang Sheng , Jia-Sheng Chen","doi":"10.1016/j.aspen.2025.102414","DOIUrl":"10.1016/j.aspen.2025.102414","url":null,"abstract":"<div><div>The fall armyworm (FAW), <em>Spodoptera frugiperda</em> (J.E. Smith), is a globally prevalent pest, posing a substantial threat to a wide range of crops. Nevertheless, the long-term and excessive application of single pesticides has led to the development of resistance to multiple pesticides in FAW. In this study, nine different combinations of two compound mixed pesticides were investigated. The combinations of Metaflumizone (MFZ) with <em>Empedobacter brevis</em>, and Emamectin benzoate (EMB) with <em>Bacillus thuringiensis</em> G033A all demonstrated significant synergistic effects in the control of FAW, with their Coefficient of Toxicity Collaboration (CTC) all surpassing 120. When the recommended dose of <em>E. brevis</em> was reduced by 50%, and the recommended dose of MFZ was decreased by 25%, and 50% respectively, the compound pesticides still maintained high field control efficacy against FAW (over 80% on the 7th day). Similarly, when the recommended dose of <em>B. thuringiensis</em> G033A was reduced by 50%, and the recommended dose of EMB was decreased by 25%, and 50%, respectively, high field control efficacy against FAW was also achieved (over 70% on the 7th day). Nevertheless, when the reduction of MFZ and EMB exceeded 75% of the recommended dose, the synergistic effect of the mixture also began to decline. Our research indicates that it is feasible to reduce the doses of both chemical pesticides and bioengineered bacteria by 50% each. The combinations of MFZ and <em>E.brevis</em>, as well as EMB and <em>B. thuringiensis</em> G033A, can be effectively applied for the control of FAW.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102414"},"PeriodicalIF":1.1,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143876607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Artificial diet for the paddy wolf spiders Pardosa pseudoannulata: Survival, Development, and Implications for mass rearing 稻田狼蛛的人工饲料：生存、发展及其对大规模饲养的启示

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-23 DOI: 10.1016/j.aspen.2025.102418

Lelei Wen, Haixin Zhang, Zhilin Zhang, Lang Hu, Baoyu Peng, Changchun Li

{"title":"Artificial diet for the paddy wolf spiders Pardosa pseudoannulata: Survival, Development, and Implications for mass rearing","authors":"Lelei Wen, Haixin Zhang, Zhilin Zhang, Lang Hu, Baoyu Peng, Changchun Li","doi":"10.1016/j.aspen.2025.102418","DOIUrl":"10.1016/j.aspen.2025.102418","url":null,"abstract":"<div><div>Spiders play a vital role in biological control within agricultural ecosystems. However, mass rearing of spiders for biocontrol is hindered by the lack of nutritionally complete artificial diets. This study evaluated the survival, development, and growth of the paddy wolf spider <em>Pardosa pseudoannulata</em>, reared on a pure artificial diet. The diet was formulated primarily from chicken eggs, honey, yeast powder, and supplemented with essential polyunsaturated fatty acids (PUFAs; arachidonic and eicosapentaenoic acid). Results were compared to spiders fed fruit flies or, for development and size, to field-collected individuals (using literature data and concurrent sampling). Due to extremely mortality (>97 %, primarily molting failure) in the fruit fly group, comparisons were limited mainly to survival and early instars. The artificial diet significantly promoted survival compared to fruit flies, likely aided by PUFA inclusion. However, notable mortality (∼29 %) occurred due to entrapment caused by the diet’s high viscosity. Compared to field spiders, individuals on the artificial diet exhibited slower development and smaller adult body size, with the size reduction being more pronounced in females. Females also developed slower than males on the artificial diet. These findings highlight the necessity of nutrient diversity in artificial diets to improve mass rearing efficiency and advance sustainable biocontrol strategies.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102418"},"PeriodicalIF":1.1,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143927652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Evaluation of the nutritional potential of the edible insect, red palm weevil (Rhynchophorus ferrugineus) from commercial farming facility in Thailand 泰国商业养殖设施中食用昆虫红棕榈象甲（Rhynchophorus ferrugineus）的营养潜力评价

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-22 DOI: 10.1016/j.aspen.2025.102417

Sampat Ghosh , Bajaree Chuttong , Khanchai Danmek , Phattharawadee Aedtem , Chuleui Jung

{"title":"Evaluation of the nutritional potential of the edible insect, red palm weevil (Rhynchophorus ferrugineus) from commercial farming facility in Thailand","authors":"Sampat Ghosh , Bajaree Chuttong , Khanchai Danmek , Phattharawadee Aedtem , Chuleui Jung","doi":"10.1016/j.aspen.2025.102417","DOIUrl":"10.1016/j.aspen.2025.102417","url":null,"abstract":"<div><div>Red palm weevil larvae, a common local delicacy in Thailand, were collected from a commercial farm in Phatthalung, located in the southern part of the country, brought to the laboratory, and processed via freeze-drying. Using DNA barcoding, the larvae were identified and confirmed as <em>Rhynchophorus ferrugineus</em>. We assessed the nutritional composition of the larvae following the standard methodologies. The total protein and fat contents were found to be 32.7 g and 55.8 g per 100 g of dried insect, respectively. Altogether, 17 amino acids were estimated including 9 essential ones, amounting to 28.3 g per 100 g dry matter. Among the essential amino acids, leucine was the most abundant, followed by lysine. The amino acid profile was comparable to, and even exceeded, the ideal protein pattern for certain essential amino acids. In regard to fatty acids, monounsaturated fatty acids (52.6 %) were predominant, followed by saturated fatty acids (45.7 %). Palmitic acid and oleic acid were predominating among saturated and monounsaturated fatty acids, respectively. Only n-6 linoleic acid was detected among the polyunsaturated fatty acids. The insect was also found to be a good source of minerals. Notably, the high potassium-to-sodium ratio, along with substantial calcium, zinc, and iron content, may offer significant health benefits for human consumption.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102417"},"PeriodicalIF":1.1,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Effect of color on the feeding preference of a generalist grasshopper, Acrida cinerea (Orthoptera: Acrididae) 颜色对灰蝗摄食偏好的影响（直翅目：蝗科）

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-17 DOI: 10.1016/j.aspen.2025.102415

Jun-Ya Ide

{"title":"Effect of color on the feeding preference of a generalist grasshopper, Acrida cinerea (Orthoptera: Acrididae)","authors":"Jun-Ya Ide","doi":"10.1016/j.aspen.2025.102415","DOIUrl":"10.1016/j.aspen.2025.102415","url":null,"abstract":"<div><div>The young leaves of many plant species exhibit red or purple coloration. It has been proposed that the red/purple coloration serves as a warning signal, indicating that defense chemicals against herbivores are highly concentrated in young tissues. In particular, it is expected that generalist herbivores will not like red/purple leaves because the chemical defenses developed by young leaves are generally more toxic or less nutritious to generalist herbivores than to specialists. To test this hypothesis, the color choices made by a generalist grasshopper, <em>Acrida cinerea</em>, were assessed using colored paper discs impregnated with feeding stimulants under three light conditions: white light, blue light, and darkness. Only under white light did <em>A. cinerea</em> eat less red paper and more yellow paper than green paper. They ate blue paper as well as green paper, indicating that they do not consider only green items to be food. These findings support that <em>A. cinerea</em> likely dislikes red foods not simply because red is different from the typical color of leaves but rather because red is a warning signal.</div></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"28 2","pages":"Article 102415"},"PeriodicalIF":1.1,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 0

Taxonomy of the subgenus Polistes (Polistella) Ashmead, 1904 from China, with a new species and an updated key (Hymenoptera: Vespidae: Polistinae) 中国小蜂亚属的分类（膜翅目：小蜂科：小蜂科）

IF 1.1 3区农林科学

Journal of Asia-pacific Entomology Pub Date : 2025-04-16 DOI: 10.1016/j.aspen.2025.102412

Nan Xiao, Bin Chen, Ting-Jing Li

引用次数: 0