Environmental Entomology最新文献_第2页

Prosapia bicincta (Hemiptera: Cercopidae) abundance, plant associations, and impacts on groundcover in Hawai'i Island rangelands. 夏威夷大岛牧场中 Prosapia bicincta（半翅目：Cercopidae）的丰度、植物关联以及对地被植物的影响。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-11 DOI: 10.1093/ee/nvae062

Shannon Wilson, Mark S Thorne, Melissa A Johnson, Daniel C Peck, Mark G Wright

{"title":"Prosapia bicincta (Hemiptera: Cercopidae) abundance, plant associations, and impacts on groundcover in Hawai'i Island rangelands.","authors":"Shannon Wilson, Mark S Thorne, Melissa A Johnson, Daniel C Peck, Mark G Wright","doi":"10.1093/ee/nvae062","DOIUrl":"10.1093/ee/nvae062","url":null,"abstract":"The twolined spittlebug, Prosapia bicincta (Say), is a major economic pest of forage grass and turfgrass. Prosapia bicincta was first detected in rangelands on Hawai'i Island in 2016 and has since spread to an estimated 72,000 ha in the North and South Kona districts. This study aimed to quantify P. bicincta abundance, plant associations, and impacts on groundcover over time. Monthly surveys of P. bicincta nymphs and adults were conducted from February 2018 to September 2022 along 17 established 100-m transects at 4 ranches located in Kona, Hawai'i Island, spanning an elevation gradient from 519 to 1,874 m above sea level (a.s.l.). Monitoring revealed P. bicincta occurs from 519 to 1,679 m a.s.l., primarily in Kikuyu grass (Cenchrus clandestinus (Hochst. ex Chiov.)) Morrone (Poales: Poaceae) pastures. Peaks in P. bicincta abundance coincided with the wet season, with most activity occurring from April to October and little to no activity between November and March. Mid elevation (1,000-1,300 m) transects had significantly higher mean P. bicincta abundance (126 nymphs/m2) relative to low (500-999 m) (64 nymphs/m2) and high elevations (>1,300 m) (20 nymphs/m2). Sites with the highest abundance of P. bicincta were also associated with the greatest decrease in mean grass cover (30%) and were replaced by forbs, bare ground, and shrubs. Grasses accounted for 72% of the total P. bicincta detections, with the remaining plants comprised of legumes (16%), sedges (6%), and forbs (6%). Twenty new P. bicincta plant associations were found. This information will help improve the effectiveness of management to suppress populations below economic thresholds.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141491341","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

Maturation of field-collected female Agriotes obscurus and Agriotes lineatus (Coleoptera: Elateridae) over their swarming period. 野外采集的雌性 Agriotes obscurus 和 Agriotes lineatus（鞘翅目：食蚁兽科）在蜂群期间的成熟。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-11 DOI: 10.1093/ee/nvae073

Willem G van Herk, Robert S Vernon, Aimee McGowan, Esther Driver, Amanda Schrack, Nicole Davie

{"title":"Maturation of field-collected female Agriotes obscurus and Agriotes lineatus (Coleoptera: Elateridae) over their swarming period.","authors":"Willem G van Herk, Robert S Vernon, Aimee McGowan, Esther Driver, Amanda Schrack, Nicole Davie","doi":"10.1093/ee/nvae073","DOIUrl":"10.1093/ee/nvae073","url":null,"abstract":"Larvae of two species of click beetle, Agriotes obscurus and Agriotes lineatus, are important pests of vegetable and field crops in both Europe and North America. Both species have been long and extensively studied, but to date little is known regarding the maturation and egg development of female beetles relative to their swarming periods. This knowledge is important for developing wireworm management tactics that target female beetles, as these would ideally eliminate the beetles before they oviposit. This paper is an attempt to address this knowledge gap. We dissected 2,450 female A. obscurus and 477 female A. lineatus collected in southwestern British Columbia in 2015-2020, and describe how their abdominal lipid content and number of mature eggs change during their swarming period. Based on the presence of mature and immature eggs, active ovarioles, and lipid content, we propose 6 consecutive beetle maturity stages. Beetles collected early in the season have high lipid content and no eggs. Over time, immature, then mature eggs appear and the lipid content decreases dramatically. Ovarioles are generally active throughout the swarming period, even when lipids are no longer present, suggesting that for these species egg laying may continue until the end of the season, and that fecundity depends both on a beetle's original lipid content at emergence, and subsequent diet.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142139664","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

A history of susceptibility to parasites and divergence in solitary, gregarious and agonistic behaviors of embiopterans. 蝶类对寄生虫的易感性以及独居、群居和群居行为的分化史。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-10 DOI: 10.1093/ee/nvae083

Emily A Arias, Andrew M Schatz, Soondree E Kliefoth, Edward C Rooks, Janice S Edgerly

{"title":"A history of susceptibility to parasites and divergence in solitary, gregarious and agonistic behaviors of embiopterans.","authors":"Emily A Arias, Andrew M Schatz, Soondree E Kliefoth, Edward C Rooks, Janice S Edgerly","doi":"10.1093/ee/nvae083","DOIUrl":"https://doi.org/10.1093/ee/nvae083","url":null,"abstract":"Two species of Haploembia Ramburi (Oligotomidae: Embioptera), nonnative detritivores found in the western USA, display solitary tendencies, not typical for webspinners that usually share silk galleries. Reports from the 1960s based on native populations in Italy highlighted the impact of a gregarine that depressed male sterility and female survivorship in Haploembia solieri (Rambur). Sympatric asexual Haploembia tarsalis (Ross) lives a normal lifespan when parasitized, albeit suffering from reduced fecundity. Our goal is to characterize behavioral repertoires as individuals interact and to develop methods for future investigations focused on the impact of the little-known parasite. We quantified individual responses to conspecifics or other species in 10-min dyadic interactions and, in a 3-day trial, determined whether they aggregated when given dispersed resources. Replicated groups of four adult female H. solieri or H. tarsalis settled away from each other over the 3-day trials. In 10-min bouts of same or different species pairs, focal insects bolted back, retreated and attempted to escape when they encountered one another, especially when the opponent was H. tarsalis. Males courted conspecific females, but were dramatically repelled by H. tarsalis. Serving as a positive control, Oligotoma nigra (Hagen) (Oligotomidae) adult females paired with conspecifics displayed typical webspinner behaviors by sitting together, sharing silk. Haploembia solieri males did not respond negatively to O. nigra, not known to be parasitized by the gregarine, but did so when paired with H. tarsalis. Results align with the prediction that susceptibility to parasitism may have led to antisocial behaviors observed in two Haploembia species.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142399804","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

A review of the potential impacts of coastal mosquito control programs on Australian Stingless Bees (Apidae, Meliponini)-likely exposure pathways and lessons learned from studies on honey bees. 沿海蚊虫控制计划对澳大利亚无刺蜜蜂（Apidae, Meliponini）的潜在影响综述--可能的接触途径以及从蜜蜂研究中吸取的经验教训。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-05 DOI: 10.1093/ee/nvae080

Brian J Johnson, James P Hereward, Rachele Wilson, Michael J Furlong, Gregor J Devine

{"title":"A review of the potential impacts of coastal mosquito control programs on Australian Stingless Bees (Apidae, Meliponini)-likely exposure pathways and lessons learned from studies on honey bees.","authors":"Brian J Johnson, James P Hereward, Rachele Wilson, Michael J Furlong, Gregor J Devine","doi":"10.1093/ee/nvae080","DOIUrl":"https://doi.org/10.1093/ee/nvae080","url":null,"abstract":"The impact of the programmatic use of larvicides for mosquito control on native stingless bees (e.g., Apidae, Meliponini) is a growing concern in Australia due to heightened conservation awareness and the growth of hobbyist stingless bee keeping. In Australia, the two most widely used mosquito larvicides are the bacterium Bacillus thuringiensis var. israelensis (Bti) and the insect hormone mimic methoprene (as S-methoprene). Each has a unique mode of action that could present a risk to stingless bees and other pollinators. Herein, we review the potential impacts of these larvicides on native Australian bees and conclude that their influence is mitigated by their low recommended field rates, poor environmental persistence, and the seasonal and intermittent nature of mosquito control applications. Moreover, evidence suggests that stingless bees may display a high physiological tolerance to Bti similar to that observed in honey bees (Apis mellifera), whose interactions with B. thuringiensis-based biopesticides are widely reported. In summary, neither Bti or methoprene is likely to pose a significant risk to the health of stingless bees or their nests. However, current knowledge is limited by regulatory testing requirements that only require the use of honey bees as toxicological models. To bridge this gap, we suggest that regulatory testing is expanded to include stingless bees and other nontarget insects. This is imperative for improving our understanding of the potential risks that these and other pesticides may pose to native pollinator conservation.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142380308","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

Breeding season temporal and spatial trends in continental-scale migration of the monarch butterfly. 帝王斑蝶在大陆范围迁徙的繁殖季节时空趋势。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-04 DOI: 10.1093/ee/nvae076

Kelsey E Fisher, Alina Filandro, Steven P Bradbury, Alan Wanamaker, Brad Coates

{"title":"Breeding season temporal and spatial trends in continental-scale migration of the monarch butterfly.","authors":"Kelsey E Fisher, Alina Filandro, Steven P Bradbury, Alan Wanamaker, Brad Coates","doi":"10.1093/ee/nvae076","DOIUrl":"https://doi.org/10.1093/ee/nvae076","url":null,"abstract":"The monarch butterfly (Danaus plexippus) is a vagile species that undertakes an annual, multi-generational migration across North America. The abundance of this species at both eastern and western overwintering sites in Central Mexico and California indicates a population decline. Success of continental-scale conservation programs for a migratory species depends on providing, maintaining, and protecting habitats at appropriate temporal and spatial scales. Here, dynamics of monarch continental-scale migration and gene flow were obtained by combined stable isotope, morphological, and genetic analyses. These analyses were applied to temporal monarch samples collected from May to September during 2016-2021 at locations in Iowa, USA and spatial collections from Pennsylvania, Delaware, Iowa, Ohio, Nevada, Idaho, Hawaii, 3 Australian locations during July and August 2016, and Texas in April 2021. Evidence of seasonal multi-generational migration was obtained through δ2H analyses of spatial collections, which was corroborated by decreased wing hue (a morphological marker for non-migratory individuals). In Iowa, 10-15% of monarchs represented migrants from southern areas throughout the breeding season and 6% were migrants from the North in midsummer. Limited sequence variation detected across the mitochondrial genome impacted the capability to detect significant population genetic variation in our North American samples. However, 2 novel substitutions were identified and predicted to be fixed among Australia samples, contributing to intercontinental differentiation from counterparts in North America. Our assessment of temporal and spatial population dynamics across the North American monarch breeding range provides insight into continental-scale migration and previously undetected mitochondrial DNA variation among globally distributed populations.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142375191","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

Divergent effects of climatic factors on termite body size: alate versus worker castes. 气候因素对白蚁体型的不同影响：蚁群与工群。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-10-03 DOI: 10.1093/ee/nvae088

Wen-Jun Lin, Chun-I Chiu, Hou-Feng Li

{"title":"Divergent effects of climatic factors on termite body size: alate versus worker castes.","authors":"Wen-Jun Lin, Chun-I Chiu, Hou-Feng Li","doi":"10.1093/ee/nvae088","DOIUrl":"https://doi.org/10.1093/ee/nvae088","url":null,"abstract":"Body size is an important functional trait to animals. Caste division of eusocial insects can exert a profound influence on their interactions with environment. We investigate the intra-specific variation of body size between caste within Odontotermes formosanus (Shiraki) (Blattodea: Termitidae), the most common and widely distributed termite species in Taiwan Island. By utilizing specimens from the NCHU Termite Collection and WorldClim data, we describe the body size distribution pattern of O. formosanus on two castes, worker and alate, and relationship with climatic factors is examined. The body size of workers is positively correlated with latitude and elevation. The body size of alates does not correlate with latitude but is positively correlated with elevation. Temperature factors negatively affect the body size of both castes. Precipitation has a positive effect on the body size of alates and no effect on workers. Additionally, humidity and temperature fluctuations over time have divergent effects on the body size of alates and workers. The results provide evidence of trait evolution decoupling at the intraspecific level, which may be shaped by climatic factors.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142371344","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

Lifecycle of Anastatus orientalis (Hymenoptera: Eupelmidae) and synchrony with its host, the spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae). Anastatus orientalis（膜翅目：幼蝇科）的生命周期及其与寄主斑灯蝇 Lycorma delicatula（半翅目：灯蝇科）的同步性。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-09-30 DOI: 10.1093/ee/nvae091

Juli R Gould, Corrine Losch, Liam Sullivan, Yunke Wu, Xiao-Yi Wang, Liang-Ming Cao, Hannah J Broadley

{"title":"Lifecycle of Anastatus orientalis (Hymenoptera: Eupelmidae) and synchrony with its host, the spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae).","authors":"Juli R Gould, Corrine Losch, Liam Sullivan, Yunke Wu, Xiao-Yi Wang, Liang-Ming Cao, Hannah J Broadley","doi":"10.1093/ee/nvae091","DOIUrl":"https://doi.org/10.1093/ee/nvae091","url":null,"abstract":"Anastatus orientalis Yang & Choi (Hymenoptera: Eupelmidae), an egg parasitoid of spotted lanternfly, Lycorma delicatula (White) (Hemiptera: Fulgoridae), has been documented emerging from host eggs in both autumn and spring, at the beginning and end of the period that spotted lanternfly eggs are present in the field, suggesting parasitoid-host specificity and synchrony. This study was designed to test whether, under conditions that simulate native and introduced ranges of spotted lanternfly, (a) A. orientalis has 2 and only 2 generations per year, (b) A. orientalis adults sometimes emerge when only nontarget species would be available for parasitization, and (c) emerging parasitoid adults can parasitize unhatched host eggs in the spring. Parasitized spotted lanternfly eggs were collected in 2019 and 2020 from Beijing, China and in 2020 and 2021 from Yantai, China. They were shipped for laboratory study in growth chambers programmed to simulate temperature and daylength for collection locations in China and in the invaded range in Pennsylvania, United States. Anastatus orientalis had a flexible lifecycle depending on environmental conditions and possibly genetic makeup, with 1-3 generations per year, and parasitoid emergence was not always synchronous with host egg availability. Additionally, given the cooler temperatures in Pennsylvania, autumn parasitoid emergence was often delayed until late October or November, no progeny were produced, and parasitoid populations died out. Anastatus orientalis does not exhibit host synchrony characteristics that would make it a good candidate for a classical biological control program.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343958","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

Patterns of occurrence, phenology, and phylogeny of Phloeosinus punctatus LeConte (Coleoptera: Curculionidae, Scolytinae) in giant sequoia. Phloeosinus punctatus LeConte (Coleoptera: Curculionidae, Scolytinae) 在巨杉中的出现模式、物候学和系统发育。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-09-27 DOI: 10.1093/ee/nvae089

Nathaniel E Foote, Gabriel G Foote, Nathan Comai, Jorge R Ibarra Caballero, Jane E Stewart, Anthony R Ambrose, Wendy L Baxter, Thomas S Davis

{"title":"Patterns of occurrence, phenology, and phylogeny of Phloeosinus punctatus LeConte (Coleoptera: Curculionidae, Scolytinae) in giant sequoia.","authors":"Nathaniel E Foote, Gabriel G Foote, Nathan Comai, Jorge R Ibarra Caballero, Jane E Stewart, Anthony R Ambrose, Wendy L Baxter, Thomas S Davis","doi":"10.1093/ee/nvae089","DOIUrl":"https://doi.org/10.1093/ee/nvae089","url":null,"abstract":"Here, we describe patterns of reproduction and flight phenology of putative Phloeosinus punctatus in giant sequoia groves and compare morphology and genotypes of beetles from sympatric giant sequoia (Sequoiadendron giganteum) and California incense-cedar (Calocedrus decurrens). Surveys conducted in 2022 revealed that numerous branches fall from giant sequoia crowns (on average ~30 branches/tree), with 20%-50% of trees per site shedding branches, depositing breeding material for beetles on the forest floor that subsequently becomes colonized. When noninfested branches cut from mature giant sequoias were placed at the ground surface, they were colonized by P. punctatus and produced an average of 28 beetles/kg branch. Climbing and examination of sequoia crowns in 2023 showed that 75% of mature trees across 11 groves showed evidence of adult beetle entrance holes in their crowns. In 2021, tests with sticky traps showed that beetles alighted on fallen branches from 20th May to 20th August (peak landing: 2nd July); a logistic model developed from emergence data in 2021 and 2022 predicts the emergence of F1 offspring from branches between 10th July and 1st September (peak emergence: 8th August). Beetles emerging from giant sequoia preferred to settle on giant sequoia, did not reproduce in incense-cedar, and diverged morphologically from beetles emerging from incense-cedar. However, phylogenetic analysis of three genes (28S, CAD, and COI) revealed no clear pattern of sequence divergence, suggesting a single species (P. punctatus) that colonizes both hosts, though cryptic speciation may not be detectable with standard barcoding genes. Ecological and potential management implications are discussed.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343959","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

Correction to: Spatial patterns of seed removal by harvester ants in a seed tray experiment. 更正：种子托盘实验中收获蚁清除种子的空间模式

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-09-25 DOI: 10.1093/ee/nvae094

引用次数: 0

Effect of storage conditions on host egg suitability and the reproductive fitness of Oobius agrili (Hymenoptera: Encyrtidae), an egg parasitoid of the invasive emerald ash borer (Agrilus planipennis) (Coleoptera: Buprestidae). 贮藏条件对寄主卵适宜性和入侵翡翠白蜡螟（Agrilus planipennis）（鞘翅目：Buprestidae）的卵寄生虫 Oobius agrili（膜翅目：Encyrtidae）繁殖能力的影响。

IF 1.8 3区农林科学

Environmental Entomology Pub Date : 2024-09-24 DOI: 10.1093/ee/nvae081

Nicole F Quinn, Rebecca R Robertson, Jian J Duan

{"title":"Effect of storage conditions on host egg suitability and the reproductive fitness of Oobius agrili (Hymenoptera: Encyrtidae), an egg parasitoid of the invasive emerald ash borer (Agrilus planipennis) (Coleoptera: Buprestidae).","authors":"Nicole F Quinn, Rebecca R Robertson, Jian J Duan","doi":"10.1093/ee/nvae081","DOIUrl":"https://doi.org/10.1093/ee/nvae081","url":null,"abstract":"Oobius agrili Zhang and Huang (Hymenoptera: Encyrtidae) is an important egg parasitoid of the emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae). Methods for laboratory-rearing O. agrili have been developed but its mass-production depends on the continuous production and storage of freshly laid EAB eggs as well as diapaused parasitoid progeny (inside parasitized EAB eggs). The purpose of this study was to determine optimal environmental conditions for long-term storage of host eggs as well as diapaused parasitoid progeny. Fresh host eggs and diapaused parasitoid progeny were stored at two low storage temperatures (1.7 and 12.8 °C) and three levels of relative humidity (low ~31%, medium ~74%, and high ~99.9%) for various length of time (15-270 days) and then evaluated for host egg suitability and the reproductive fitness of stored parasitoid progeny. EAB eggs were stored for approximately 30 days without significant reduction of their viability and suitability to O. agrili parasitism at low storage temperatures under high and medium relative humidity. Neither storage temperature or humidity had any significant effects on adult parasitoid emergence for storage durations of up to 270 days. When storage durations were over 120 days, however, both adult parasitoid longevity and fecundity declined approximately 20-30% across all temperature and humidity treatments. Relevance of findings to mass-production and storage of O. agrili for biocontrol is discussed.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343957","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