Physiological Entomology最新文献_第6页

Adult host‐plant preference and larval performance in an oligophagous insect (Chnootriba elaterii) 一种寡食昆虫成虫对寄主植物的偏好和幼虫的表现

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-31 DOI: 10.1111/phen.12419

Silvana Piersanti, V. Saitta, M. Rebora, G. Salerno

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引用次数: 0

Adult host-plant preference and larval performance in an oligophagous insect (Chnootriba elaterii) 寡食性昆虫（Chnootriba elaterii）的成虫寄主植物偏好和幼虫表现

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-31 DOI: 10.1111/phen.12419

Silvana Piersanti, Valerio Saitta, Manuela Rebora, Gianandrea Salerno

{"title":"Adult host-plant preference and larval performance in an oligophagous insect (Chnootriba elaterii)","authors":"Silvana Piersanti, Valerio Saitta, Manuela Rebora, Gianandrea Salerno","doi":"10.1111/phen.12419","DOIUrl":"https://doi.org/10.1111/phen.12419","url":null,"abstract":"The present research investigates host preferences and larval development of the melon ladybird Chnootriba elaterii (Rossi) (Coleoptera: Coccinellidae), considering seven Cucurbitaceae plant species (Citrullus lanatus, Cucumis melo, Cucumis sativus, Cucurbita pepo, Cucurbita moschata, Lagenaria siceraria and Luffa aegyptiaca), to determine whether mother host preference is related with larval performance. The damaged area on plant leaves due to insect feeding in dual-choice experiments was used to evaluate food preferences. Behavioural experiments in a Y-tube olfactometer tested the role of olfaction in host-plant selection. Parameters such as development duration and morphometric characters of emerged adults were evaluated to estimate larval performance. Adult females selected watermelon and melon as their favourite food while firmly refusing loofah and calabash. Insects preferred melon over watermelon, but the larval development on melon was slower; moreover, watermelon allowed larvae to develop faster than other tested plants, while loofah did not allow larval development. Larvae fed and developed on melon, pumpkin, zucchini, cucumber and calabash, without strong differences. These results only partially supported the preference-performance hypothesis suggesting that it could be context dependent. Contrary to expectation, volatile organic compounds (VOCs) belonging to the host, only partially could guide adult females in the olfactometer. This result suggests that long-distance olfactory stimuli alone cannot provide sufficient information for host-plant selection in melon ladybirds. Considering the economic relevance of C. elaterii, the results of the present paper answer some basic questions about host-plant selection for this pest insect, potentially useful to improve control strategies in crops.","PeriodicalId":20081,"journal":{"name":"Physiological Entomology","volume":"48 4","pages":"171-183"},"PeriodicalIF":1.5,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71997024","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

Effects of proline on survival, locomotion and amino acid haemolymph composition of Osmia cornuta (Latreille, 1805) 脯氨酸对角蛛存活、运动和氨基酸血淋巴组成的影响(Latreille, 1805)

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-25 DOI: 10.1111/phen.12418

Elena Tafi, S. Sagona, Francesca Coppola, V. Meucci, M. Galloni, L. Bortolotti, G. Bogo, M. Nepi, A. Felicioli

{"title":"Effects of proline on survival, locomotion and amino acid haemolymph composition of Osmia cornuta (Latreille, 1805)","authors":"Elena Tafi, S. Sagona, Francesca Coppola, V. Meucci, M. Galloni, L. Bortolotti, G. Bogo, M. Nepi, A. Felicioli","doi":"10.1111/phen.12418","DOIUrl":"https://doi.org/10.1111/phen.12418","url":null,"abstract":"Flower nectar, a sugar‐rich solution containing amino acids as major secondary solutes, is the primary energy source for bees. Proline is one of the most abundant protein nectar amino acids, showing several effects on bee physiology. Mason bees are outstanding pollinators, often preferred to Apis mellifera for pollination of fruit trees. Among them, Osmia cornuta (Latreille) is one of the most successfully managed species on a commercial scale. In this work, the effects of 10 mM proline‐enriched diet administration on O. cornuta feed consumption, survival, behaviour and haemolymph amino acid composition were investigated. Feed intake was higher for the proline diet, while survival rate was not affected. Behaviour was affected only in the senescence of the mason bees with a reduction in locomotor activity induced by proline intake. Proline diet also affected the haemolymph amino acid composition, decreasing concentration of tyrosine, methionine, leucine and phenylalanine after 10 days of feeding. These results were discussed in relation to the potential involvement of proline in oxidative stress in insects and proline's ability to be converted to other amino acids. Further investigations are necessary to better understand the molecular mechanisms of proline effects on locomotion and oxidative stress.","PeriodicalId":20081,"journal":{"name":"Physiological Entomology","volume":"231 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84619979","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: 0

Effects of proline on survival, locomotion and amino acid haemolymph composition of Osmia cornuta (Latreille, 1805) 脯氨酸对玉米Osmia cornuta的存活、运动和氨基酸血淋巴组成的影响（Latreille，1805）

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-25 DOI: 10.1111/phen.12418

Elena Tafi, Simona Sagona, Francesca Coppola, Valentina Meucci, Marta Galloni, Laura Bortolotti, Gherardo Bogo, Massimo Nepi, Antonio Felicioli

{"title":"Effects of proline on survival, locomotion and amino acid haemolymph composition of Osmia cornuta (Latreille, 1805)","authors":"Elena Tafi, Simona Sagona, Francesca Coppola, Valentina Meucci, Marta Galloni, Laura Bortolotti, Gherardo Bogo, Massimo Nepi, Antonio Felicioli","doi":"10.1111/phen.12418","DOIUrl":"https://doi.org/10.1111/phen.12418","url":null,"abstract":"Flower nectar, a sugar-rich solution containing amino acids as major secondary solutes, is the primary energy source for bees. Proline is one of the most abundant protein nectar amino acids, showing several effects on bee physiology. Mason bees are outstanding pollinators, often preferred to Apis mellifera for pollination of fruit trees. Among them, Osmia cornuta (Latreille) is one of the most successfully managed species on a commercial scale. In this work, the effects of 10 mM proline-enriched diet administration on O. cornuta feed consumption, survival, behaviour and haemolymph amino acid composition were investigated. Feed intake was higher for the proline diet, while survival rate was not affected. Behaviour was affected only in the senescence of the mason bees with a reduction in locomotor activity induced by proline intake. Proline diet also affected the haemolymph amino acid composition, decreasing concentration of tyrosine, methionine, leucine and phenylalanine after 10 days of feeding. These results were discussed in relation to the potential involvement of proline in oxidative stress in insects and proline's ability to be converted to other amino acids. Further investigations are necessary to better understand the molecular mechanisms of proline effects on locomotion and oxidative stress.","PeriodicalId":20081,"journal":{"name":"Physiological Entomology","volume":"48 4","pages":"161-170"},"PeriodicalIF":1.5,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71979463","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: 0

Effects of neuropeptide F2 on female reproduction in the cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) 神经肽F2对棉铃虫雌性繁殖的影响（鳞翅目：夜蛾科）

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-24 DOI: 10.1111/phen.12417

Fariba Habibi, Azam Mikani, Mohammad Mehrabadi, Maged Mohamed Ali Fouda

引用次数: 0

Effects of neuropeptide F2 on female reproduction in the cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) 神经肽F2对棉铃虫雌性生殖的影响(鳞翅目:夜蛾科)

IF 1.5 4区农林科学

Physiological Entomology Pub Date : 2023-08-24 DOI: 10.1111/phen.12417

Fariba Habibi, A. Mikani, M. Mehrabadi, M. Fouda

引用次数: 0

Acetylcholinesterase activity in forager honey bees of Nepal 尼泊尔采蜜蜂的乙酰胆碱酯酶活性