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New Host Records for Two Genera of Xenidae (Insecta: Strepsiptera) From Brazil 标题巴西种蝇科两属寄主新记录(昆虫亚目:链翅目)
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-11-05 DOI: 10.1111/aen.70125
Marcos M. Souza, André L. Marambaia, Jhonatan da S. Oliveira, Gabriel C. Jacques, Alexandre Somavilla
{"title":"New Host Records for Two Genera of Xenidae (Insecta: Strepsiptera) From Brazil","authors":"Marcos M. Souza,&nbsp;André L. Marambaia,&nbsp;Jhonatan da S. Oliveira,&nbsp;Gabriel C. Jacques,&nbsp;Alexandre Somavilla","doi":"10.1111/aen.70125","DOIUrl":"https://doi.org/10.1111/aen.70125","url":null,"abstract":"<p>Xenidae is one of the major families within the order Strepsiptera. However, studies expanding our knowledge of Xenidae hosts remain scarce, despite their importance. This situation is particularly pronounced in Brazil, given that no new hosts have been reported for some genera for at least 42 years. In this study, we report for the first time in Brazil the genera <i>Zethus</i> Fabricius, 1804 and <i>Mischocyttarus</i> de Saussure, 1853 as hosts of <i>Eupathocera</i> Pierce, 1908 and <i>Xenos</i> Rossi, 1794, respectively, and discuss the reasons for the lack of records regarding these hosts in the country.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70125","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149356022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Attack of the Clone(s): Genomic Analysis of Russian Wheat Aphid in Australia Suggests a Single Extant Clonal Lineage but Multiple Invasions 克隆的攻击:澳大利亚俄罗斯小麦蚜虫的基因组分析表明存在单一克隆谱系但多次入侵
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-11-01 DOI: 10.1111/aen.70123
Owen J. Holland, Qiong Yang, Joshua A. Thia, Alex Gill, Paul A. Umina, Ary A. Hoffmann
{"title":"Attack of the Clone(s): Genomic Analysis of Russian Wheat Aphid in Australia Suggests a Single Extant Clonal Lineage but Multiple Invasions","authors":"Owen J. Holland,&nbsp;Qiong Yang,&nbsp;Joshua A. Thia,&nbsp;Alex Gill,&nbsp;Paul A. Umina,&nbsp;Ary A. Hoffmann","doi":"10.1111/aen.70123","DOIUrl":"https://doi.org/10.1111/aen.70123","url":null,"abstract":"<p>The Russian wheat aphid, <i>Diuraphis noxia</i>, was first detected in Australia in 2016. Despite being recognised as a highly adaptable pest, little is known about the genetic variation present within its invasive Australian range, particularly in relation to other invaded areas. We used genomic data from <i>D. noxia</i> collected across Australian cereal-growing regions to characterise clonal diversity and compare it to international biotypes. Our results support the occurrence of a single extant clonal lineage in Australia, which is most closely related to biotypes from South Africa. Delta D (Δ<sub>D</sub>) estimates indicated no significant differentiation between Australian populations, except for a single population collected shortly after the first detection in Australia in 2016. Significant differentiation was also detected between Australian <i>D. noxia</i> and international biotypes. These findings suggest that extant Australian <i>D. noxia</i> represent a single clonal lineage, whereas a separate invasion may have occurred without establishment. The results provide a baseline for monitoring and management of <i>D. noxia</i> in Australia and contribute to our understanding of invasion genetics and the evolutionary dynamics of invasive aphid populations.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70123","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149355885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Engytatus passionarius (Hemiptera: Miridae), a Potential Biological Control Agent of the Invasive Vine Passiflora foetida (Passifloraceae) in Australia 西番莲(半翅目:姬蝇科):一种潜在的生物防治剂
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-27 DOI: 10.1111/aen.70124
M. A. Rafter, J. Phoenix, M. Maestro, G. Cabrera Walsh, B. L. Webber, M. Byrne, A. Zamprogna
{"title":"Engytatus passionarius (Hemiptera: Miridae), a Potential Biological Control Agent of the Invasive Vine Passiflora foetida (Passifloraceae) in Australia","authors":"M. A. Rafter,&nbsp;J. Phoenix,&nbsp;M. Maestro,&nbsp;G. Cabrera Walsh,&nbsp;B. L. Webber,&nbsp;M. Byrne,&nbsp;A. Zamprogna","doi":"10.1111/aen.70124","DOIUrl":"https://doi.org/10.1111/aen.70124","url":null,"abstract":"<p><i>Passiflora foetida senso lato</i> L. (Passifloraceae), native to the Americas, is an invasive vine impacting areas of environmental, economic, cultural and social importance across northern Australia. The leaf-sucking mirid, <i>Engytatus passionarius</i> Minghetti, Maestro and Dellapé (Hemiptera: Miridae), was recently described and identified as a potential biological control agent of <i>P. foetida</i> following native range surveys in northwestern Argentina. Its biology and host range were investigated in Argentina and under quarantine in Australia to assess its suitability for release. Host specificity was initially evaluated in the native range through field host range observations, laboratory studies assessing zoophagy and no-choice tests on available <i>Passiflora</i> species. These studies indicated a high level of specificity to <i>P. foetida</i>, supporting further evaluation in Australian quarantine. Comprehensive no-choice host specificity testing included 31 plant species selected based on their phylogenetic relationships to the target weed spanning the Passifloraceae, Salicaceae, Achariaceae, Violaceae, Euphorbiaceae and Phyllanthaceae. Feeding, oviposition and successful development to adulthood occurred consistently on <i>P. foetida</i>. Survival rates were significantly higher on the target weed than on nontarget plant species, where individuals experienced markedly increased mortality. Feeding on nontarget plants was generally low and exploratory, whereas consistent vegetative damage occurred on <i>P. foetida</i>. Developmental success for the mirid was also substantially reduced on nontargets (mean 0.2–4.6 F1 adults) compared with <i>P. foetida</i> (mean 52.5 F1 adults). Six nontarget <i>Passiflora</i> species were further evaluated in choice tests. <i>E. passionarius</i> consistently preferred <i>P. foetida</i>, initiating feeding more rapidly and producing higher nymph densities than on nontarget species. Completion of the life cycle occurred only on <i>P. foetida</i>. Overall, results from native-range studies, quarantine experiments and field observations demonstrate that <i>E. passionarius</i> is highly host-specific to <i>P. foetida</i> and represents a promising candidate for biological control in Australia.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70124","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Hidden Katydid Diversity in Brazil's Drylands: Taxonomy and Phylogenetic Placement of Two New Phaneropterinae Genera (Orthoptera: Tettigoniidae:) From Caatinga 巴西旱地隐藏的蝈蝈多样性:两新飞翅属(直翅目:蝈蝈科)的分类和系统发育定位
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-21 DOI: 10.1111/aen.70119
Marcos Fianco, Phillip Watzke Engelking, André Fonseca Antunes
{"title":"Hidden Katydid Diversity in Brazil's Drylands: Taxonomy and Phylogenetic Placement of Two New Phaneropterinae Genera (Orthoptera: Tettigoniidae:) From Caatinga","authors":"Marcos Fianco,&nbsp;Phillip Watzke Engelking,&nbsp;André Fonseca Antunes","doi":"10.1111/aen.70119","DOIUrl":"https://doi.org/10.1111/aen.70119","url":null,"abstract":"<p>Tettigoniidae are the most diverse family of Orthoptera, with over 750 species recorded in Brazil. However, arid and semi-arid environments of northeastern Brazil, dominated by the Caatinga biome, remain poorly studied, with most previous records restricted to Atlantic Forest areas. Here, we describe two new genera and two new species of Phaneropterinae from these arid regions, representing the first records of short-winged katydids in the biome. Phylogenetic relationships were inferred from molecular data using maximum likelihood analyses, and morphological characters were employed to support the description of the new taxa. <i>Caatingatettix</i> Fianco, Engelking &amp; Antunes, <b>gen. nov.</b> and <i>Acanthicauda</i> Fianco, <b>gen. nov.</b> form part of a clade of short-winged katydids, expanding the known distribution and ecological range of such taxa, previously thought to be restricted to humid Atlantic Forest habitats. This discovery highlights the underestimated biodiversity of xeric environments in South America and exposes significant gaps in our knowledge of Orthoptera in Brazilian drylands. Moreover, the presence of localized and potentially endemic lineages in threatened habitats emphasizes the need for intensified surveys and targeted conservation strategies. Citizen science platforms, such as iNaturalist, may play a key role in detecting rare or undescribed taxa and informing future research and conservation efforts.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70119","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149258512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Eight New Species of Amatissa Walker, 1862 (Lepidoptera: Psychidae) With Confirmation of the Genus in Northern Australia 文章标题麻蝇属八新种,1862(鳞翅目:麻蝇科)并在澳大利亚北部确认属
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-16 DOI: 10.1111/aen.70115
Ethan P. Beaver, Thomas Sobczyk
{"title":"Eight New Species of Amatissa Walker, 1862 (Lepidoptera: Psychidae) With Confirmation of the Genus in Northern Australia","authors":"Ethan P. Beaver,&nbsp;Thomas Sobczyk","doi":"10.1111/aen.70115","DOIUrl":"https://doi.org/10.1111/aen.70115","url":null,"abstract":"<p>Examination and sequencing of Psychidae specimens from Australia confirm that the genus <i>Amatissa</i> Walker, 1862 is present in this region, extending its known distribution. The first multispecies phylogeny of <i>Amatissa</i> is presented based on mitochondrial sequence data. Three new Australian species are here described: <i>Amatissa dingo</i> Beaver, <b>sp. nov.</b>, <i>A. tessella</i> Beaver <b>sp. nov.</b> and <i>A. brevifimbria</i> Beaver, <b>sp. nov.</b>, all from far northern Queensland. Additionally, the widespread northern Australian species <i>Plutorectis dysmorpha</i> Turner, 1947 is recognised as a member of this genus, now <i>Amatissa dysmorpha</i> (Turner, 1947) <b>comb. nov.</b>, whose life history is newly discovered. Examination of museum specimens from nearby New Guinea for comparative purposes resulted in the additional discovery of the following four new species from this region: <i>A. chrysosoma</i> Beaver, <b>sp. nov.</b>, <i>A. lata</i> Beaver, <b>sp. nov.</b>, <i>A. inmedia</i> Beaver, <b>sp. nov.</b> and <i>A. aurantia</i> Beaver, <b>sp. nov.</b> None of our findings indicate the incursion of known pest species in this region, though the larval biology of most species remains unstudied.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70115","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Flashy Neighbours: Psilocladus mantilleri Zeballos, Nunes, Silveira & Rosa, sp. nov., the First Termitariophile Firefly Larva (Coleoptera: Lampyridae) 华丽的邻居:Psilocladus mantilleri Zeballos, Nunes, Silveira & Rosa, sp. nov.,第一个嗜白蚁萤火虫幼虫(鞘翅目:夜蛾科)
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-14 DOI: 10.1111/aen.70111
Leandro Zeballos, Viviane C. S. Nunes, Luiz Felipe Lima da Silveira, Cláudio Ruy Vasconcelos da Fonseca, Simone Policena Rosa
{"title":"Flashy Neighbours: Psilocladus mantilleri Zeballos, Nunes, Silveira & Rosa, sp. nov., the First Termitariophile Firefly Larva (Coleoptera: Lampyridae)","authors":"Leandro Zeballos,&nbsp;Viviane C. S. Nunes,&nbsp;Luiz Felipe Lima da Silveira,&nbsp;Cláudio Ruy Vasconcelos da Fonseca,&nbsp;Simone Policena Rosa","doi":"10.1111/aen.70111","DOIUrl":"https://doi.org/10.1111/aen.70111","url":null,"abstract":"<p>Fireflies are semelparous beetles whose immature stages are largely unknown. The comparatively few larvae known span diverse ecological niches, such as ground-dwellers, aquatic (freshwater or marine), semi-aquatic and arboreal. <i>Psilocladus costae</i> Vaz, Silveira &amp; Rosa, 2020—a bromeliad dweller—is the only species of its genus and subfamily in which immature stages were studied. We collected firefly larvae in the Brazilian Cerrado inside termite nests and in the underground vaults surrounding them. These larvae were raised in the lab and identified as a new <i>Psilocladus</i> species, described herein as <i>Psilocladus mantilleri</i> Zeballos, Silveira, Nunes &amp; Rosa, <b>sp. nov.</b> Adult males of the new species can be diagnosed by the following combination of adult characters: antenna rami, pronotum, legs, elytra and scutellum yellowish; basal half of submentum strongly constricted; abdomen with light organ on sternum VI, as wide as 3/5 sternum width; and phallobase with apical margin notched at the central third. The larva differs from that of <i>P. costae</i> in its tergites pale yellow to ochre, sternites paler, abdominal tergite IX semicircular and light organs indistinct. The similarity between <i>Psilocladus</i> and photurine larvae is interpreted in the context of the close affinities between these two subfamilies. Given the lack of clear morphological adaptations for termitophily, we hypothesize that this species is an opportunistic commensal, probably relying on termite nests occasionally for shelter and potentially preying on their inquilines.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70111","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Which One Tastes Better? Testing Distinct Baits to Evaluate Fruit-Feeding Butterfly Assemblages (Lepidoptera: Nymphalidae) in a Subtropical Region 哪个味道更好?亚热带地区不同饵料对采食蝴蝶群落的评价(鳞翅目:蛱蝶科)
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-07 DOI: 10.1111/aen.70120
Cristiano Agra Iserhard, Bianca de Oliveira, Miguel Kurz dos Santos, Antonio Luiz Govea Silveira Jr, Bianca Machado, Viviana Salles, Nicolas Roloff, Kauane Maiara Bordin
{"title":"Which One Tastes Better? Testing Distinct Baits to Evaluate Fruit-Feeding Butterfly Assemblages (Lepidoptera: Nymphalidae) in a Subtropical Region","authors":"Cristiano Agra Iserhard,&nbsp;Bianca de Oliveira,&nbsp;Miguel Kurz dos Santos,&nbsp;Antonio Luiz Govea Silveira Jr,&nbsp;Bianca Machado,&nbsp;Viviana Salles,&nbsp;Nicolas Roloff,&nbsp;Kauane Maiara Bordin","doi":"10.1111/aen.70120","DOIUrl":"https://doi.org/10.1111/aen.70120","url":null,"abstract":"<p>Standardised sampling protocols are essential for improving biodiversity assessments, particularly for indicator groups such as fruit-feeding butterflies. Although fermented banana is the most widely used bait in tropical regions, rotten fish is the best bait for catching fruit-feeding butterflies in high-altitude sites. Few studies have evaluated the effectiveness of alternative attractants in the subtropical region worldwide, where environmental conditions and resource availability differ markedly. We tested the effectiveness of two bait types, fermented banana with sugarcane juice and rotten fish, in capturing fruit-feeding butterflies across contrasting habitats (native grasslands and Restinga Forests) in the Pampa biome, southern Brazil. Using Van Someren–Rydon bait traps, we compared richness, abundance, diversity and species composition to evaluate how bait type and habitat influence assemblage structure. Contrary to expectations that rotten fish would attract more butterflies, fermented banana consistently had higher richness, abundance and diversity in both habitats. Rotten fish attracted fewer individuals and species, showing a narrower representation of butterflies. Species composition also differed between baits, with banana capturing a broader subset of the regional pool. Habitat influenced diversity patterns regardless of bait, in which Restinga Forests supported more diverse fruit-feeding butterfly assemblages with forest-dwelling species, whereas grasslands were dominated mainly by the Satyrini tribe. Our results demonstrate that fermented banana with sugarcane juice is the most effective bait for sampling fruit-feeding butterflies in subtropical regions. We recommend its use as a standardised protocol to ensure adequate coverage and comparability across habitats, thereby improving short- and long-term monitoring and biodiversity assessments in the subtropics.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70120","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149145974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Quantitative Host Emergence Links to Fopius (Hymenoptera: Braconidae) Parasitoid Recruitment and Scale-Dependent Conditional Insect Associations in Tropical Citrus Orchards 热带柑桔园寄主数量羽化与小蜂(膜翅目:小蜂科)寄生蜂招募及尺度依赖性条件虫关联的关系
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-10-06 DOI: 10.1111/aen.70122
Akhmad Rizali, Dean Intan Elryn Shia, Hagus Tarno
{"title":"Quantitative Host Emergence Links to Fopius (Hymenoptera: Braconidae) Parasitoid Recruitment and Scale-Dependent Conditional Insect Associations in Tropical Citrus Orchards","authors":"Akhmad Rizali,&nbsp;Dean Intan Elryn Shia,&nbsp;Hagus Tarno","doi":"10.1111/aen.70122","DOIUrl":"https://doi.org/10.1111/aen.70122","url":null,"abstract":"<div>\u0000 \u0000 <p>Fruit-associated insect communities in tropical citrus orchards are spatially heterogeneous; however, fine-scale ecological relationships among tephritid emergence, parasitoid recruitment and associated insect guilds remain poorly resolved. This study quantified spatiotemporal variation and conditional co-occurrence networks among insect assemblages across nine commercial citrus orchards in East Java, Indonesia. Using a longitudinal repeated-measures design, one symptomatic fruit and five flowers were sampled or inspected monthly from 81 trees per orchard over three consecutive months (<i>n</i> = 2187 tree-by-sampling units). Fruit rearing yielded two tephritids (<i>Bactrocera dorsalis</i> and <i>Bactrocera carambolae</i>), drosophilids conservatively reported as <i>Drosophila</i> sp., and opiine parasitoids reported as <i>Fopius</i> sp., whereas floral observations quantified flower-associated thrips collectively. Generalized linear mixed models (GLMMs) controlled for orchard location, sampling period and repeated observations within trees. From 5236 recorded insects, total <i>Drosophila</i> was the most abundant group, whereas <i>B. dorsalis</i> dominated the tephritids. Insect abundance and occurrence varied strongly among orchards, whereas temporal fluctuations were taxon specific. Each additional adult <i>Bactrocera</i> emerging per fruit increased the odds of total <i>Fopius</i> occurrence by 16.8% (OR = 1.168, 95% CI = 1.026–1.329, <i>p</i> = 0.019), demonstrating a quantitative host-emergence–parasitoid recruitment relationship. The apparent parasitoid emergence ratio averaged 10.5%, showing spatial variation but no consistent temporal shift across the three sampling months. Conditional analyses revealed scale-dependent associations: <i>Bactrocera</i>-positive fruits had 2.66 times higher odds of producing drosophilids, and flower-associated thrips were positively associated with fruit-infesting <i>Bactrocera</i> at the tree level. In contrast, <i>B. carambolae</i> showed significant conditional segregation from <i>B. dorsalis</i> within fruits. Orchard-level environmental and management predictors were not statistically significant. These findings reveal non-random insect associations operating primarily at fruit and tree scales.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149146022","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
Antimicrobial Feeding of Parental Adults Reduces Offspring Tolerance to Chemical Stress in the Mediterranean Fruit Fly Ceratitis capitata 在地中海头角果蝇中,双亲成虫的抗菌喂养降低了后代对化学应激的耐受性
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-09-29 DOI: 10.1111/aen.70117
Alfonsina Palladini, Viviana Díaz, Antonella Giudice, Gisela Castillo, Andrea Moyano, Solana Abraham, Juan Rull
{"title":"Antimicrobial Feeding of Parental Adults Reduces Offspring Tolerance to Chemical Stress in the Mediterranean Fruit Fly Ceratitis capitata","authors":"Alfonsina Palladini,&nbsp;Viviana Díaz,&nbsp;Antonella Giudice,&nbsp;Gisela Castillo,&nbsp;Andrea Moyano,&nbsp;Solana Abraham,&nbsp;Juan Rull","doi":"10.1111/aen.70117","DOIUrl":"https://doi.org/10.1111/aen.70117","url":null,"abstract":"<div>\u0000 \u0000 <p>Fruits constitute chemically complex environments in which frugivorous insects must cope against plant defensive compounds such as secondary metabolites. In this context, gut microbiota may play a key role in expanding the host's detoxification capacity. However, the role of parental microbiota in shaping offspring tolerance to these compounds, as well as the magnitude of its intergenerational effects, remains poorly explored. In this study, we evaluated the effect of parental microbial status on the performance of <i>Ceratitis capitata</i> offspring under chemical stress during larval development. Dysbiosis was induced in the parental generation through antimicrobial delivery, and offspring were reared on two diets: a control diet and a diet supplemented with juglone (0.5 mg/g), a phenolic compound with high redox activity found in <i>Juglans australis</i>. Developmental traits (pupal recovery and adult emergence) and survival (adult longevity) were assessed. Results showed that both parental antimicrobial treatment and exposure to juglone significantly affected performance during the egg–pupa transition, indicating that early larval development represents a critical stage under chemical stress. In contrast, no clear effects were observed on the pupa–adult transition, and emergence rates remained high across treatments. Conversely, the effects of chemical stress became more evident, significantly reducing adult longevity, particularly in offspring derived from aposymbiotic parents. Overall, these findings indicate that parental microbiota contributes to tolerance against plant defensive compounds throughout development and adult life, potentially facilitating exploitation of hosts with diverse phytochemical profiles.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149146549","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
Two New Species of Trichocolletes Cockerell, 1912 From Hiltaba Station, South Australia (Hymenoptera: Colletidae) 南澳大利亚Hiltaba站Cockerell毛蜂二新种记述(膜翅目:蜂科)
IF 1.2 3区 农林科学
Austral Entomology Pub Date : 2026-09-28 DOI: 10.1111/aen.70107
Remko Leijs, Asaph Whelan, Katja Hogendoorn
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