Environmental Entomology最新文献_第2页

Effects of dietary moisture content and cut wood of different species on survival and weight of Asian longhorned beetle larvae (Coleoptera: Cerambycidae). 饲料含水率和不同种类木材对亚洲长角甲虫幼虫存活和体重的影响。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-16 DOI: 10.1093/ee/nvaf075

Sabrina Osowiecki, Melody A Keena

{"title":"Effects of dietary moisture content and cut wood of different species on survival and weight of Asian longhorned beetle larvae (Coleoptera: Cerambycidae).","authors":"Sabrina Osowiecki, Melody A Keena","doi":"10.1093/ee/nvaf075","DOIUrl":"https://doi.org/10.1093/ee/nvaf075","url":null,"abstract":"The wood-boring cerambycid Anoplophora glabripennis (Motschulsky), Asian longhorned beetle, is a highly destructive invasive pest that feeds on healthy hardwoods by tunneling under the bark and then within the sapwood as larvae mature. Larval weight gain and survival can be affected by the nutritional content, moisture content, and physical traits of the available food source. In this study, we experimentally manipulated the larval resource quality by controlling the moisture content of artificial diet (70% and 40% moisture) and by inserting larvae into cut wood of 2 different hosts (sugar maple [Acer saccharum Marshall] and gray birch [Betula populifolia Marshall]). First and/or fifth instars from a Chicago, Illinois laboratory colony were used to follow larval survival, weight, and pupation. Artificial diet moisture content did not affect larvae survival; however, larvae reared on a diet containing 70% moisture weighed more on average than those reared on a diet containing 40% moisture for all time intervals weights were taken. First instars reared in cut gray birch were more likely to survive, grow larger, and molt than first instars reared on cut sugar maple (only one larva survived). The species of cut wood did not have a significant impact on the survival, weight gain, or adult emergence of fifth instars. Our findings suggest that this insect's tolerance of highly variable host quality provides it with ample capacity to survive, disperse, and reproduce even when dietary moisture content is low or declining, as might be expected in trees in the late stages of infestation.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145091335","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

The effects of prescribed fire severity and time post-burn on beetle assemblages in a temperate deciduous forest. 规定火灾烈度和燃烧后时间对温带落叶森林甲虫群落的影响。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-16 DOI: 10.1093/ee/nvaf085

Kane A Lawhorn, Edward J Schleff, Donald J Biddle, Stephen P Yanoviak

{"title":"The effects of prescribed fire severity and time post-burn on beetle assemblages in a temperate deciduous forest.","authors":"Kane A Lawhorn, Edward J Schleff, Donald J Biddle, Stephen P Yanoviak","doi":"10.1093/ee/nvaf085","DOIUrl":"https://doi.org/10.1093/ee/nvaf085","url":null,"abstract":"Fire is increasingly used as a management tool in temperate deciduous forests, but the effects of fire on arthropods in these systems remain unclear. Here, we used flight-intercept traps to sample beetle assemblages (Coleoptera) in portions of a temperate deciduous forest of eastern North America subjected to either a higher-severity burn, a lower-severity burn, or no burn. We collected beetles immediately following the burns and for up to 2 yr post-burn. Average (±SE) beetle abundance did not differ between the higher-severity (45 ± 13) and lower-severity (55 ± 26) burns but was 2× higher in the burned sites vs. the unburned site (25 ± 6). Likewise, traps in the 2 burned sites captured a similar number of beetle species (17 ± 0.5 and 15 ± 0.5, respectively), and more species than in the unburned site (12 ± 0.4). These patterns were consistent over time post-burn in all sites. Beetle composition also consistently differed between the burned and unburned sites; bark and ambrosia beetles (Curculionidae: Scolytinae) were the most abundant groups in the burned sites. Species turnover (beta diversity) was highest in the unburned site. Eleven species were associated with specific combinations of burn treatment and time post-burn. The results suggest that fire severity and time post-burn play key roles in structuring local beetle assemblages and that longer fire intervals (≥3 yr) are required to facilitate recovery. Measuring beetle responses to fire in temperate deciduous forests improves our understanding of the effects of disturbance-based management on local biodiversity.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145091400","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

The defoliating biological control agent, Lygomusotima stria (Lepidoptera: Crambidae), reduces rachis and fiddlehead production in Lygodium microphyllum (Schizaeales: Lygodiaceae). 落叶生物防治剂Lygomusotima stria（鳞翅目：蛾虻科）可减少小叶Lygodium lygolum （Schizaeales: Lygodiaceae）的轴和芦苇头产量。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-16 DOI: 10.1093/ee/nvaf084

Gregory S Wheeler, Stephanie Ripsom

{"title":"The defoliating biological control agent, Lygomusotima stria (Lepidoptera: Crambidae), reduces rachis and fiddlehead production in Lygodium microphyllum (Schizaeales: Lygodiaceae).","authors":"Gregory S Wheeler, Stephanie Ripsom","doi":"10.1093/ee/nvaf084","DOIUrl":"https://doi.org/10.1093/ee/nvaf084","url":null,"abstract":"Old World climbing fern, Lygodium microphyllum (Cav.) R. Br., is one of the worst invasive weeds of natural areas of southern and central Florida, United States. The climbing fern forms thick mats that shade native shrubs and trees. Old World climbing fern invades the southern peninsula of Florida, where cost-effective, sustainable control methods are needed. Here, we report the results of greenhouse studies that examined the performance of Lygomusotima stria Solis & Yen larvae, a potential biological control agent of L. microphyllum. We examined the impact of larval feeding on the target weed when grown at a range of fertilizer and herbivore levels. Furthermore, we applied these treatments to guide post-release mass rearing protocols. The results indicate that larvae had greater survival when fed plants at the highest fertilizer level. Two generations of feeding by L. stria larvae decreased rachis weights at the lowest fertilizer levels and fiddlehead numbers. At higher fertilizer conditions, the plants were able to tolerate L. stria herbivory, resulting in no significant changes in plant tissue allocations. The increased larval survival when fed plants grown at high fertilizer levels will benefit both laboratory and field mass production of agents. By impacting rachises and fiddleheads, these results suggest this insect will impede the ability of L. microphyllum to climb substrates, especially in lower resource conditions.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145091331","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

Mate and host semiochemicals as management tools for Strategus aloeus (Coleoptera: Scarabaeidae) in oil palm crops. 油棕作物中偶体和寄主化学药剂对褐金龟甲的防治。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-13 DOI: 10.1093/ee/nvaf083

Valentina Vidal-Medina, Jenifer Jhoana Bustos Cortés, Rosa Aldana-de la Torre, Alex E Bustillo-Pardey, Anuar Morales-Rodríguez, Carolina Chegwin, Eloína Mesa Fuquen, César A Sierra, José Maurício Simões Bento, Alicia Romero-Frías

{"title":"Mate and host semiochemicals as management tools for Strategus aloeus (Coleoptera: Scarabaeidae) in oil palm crops.","authors":"Valentina Vidal-Medina, Jenifer Jhoana Bustos Cortés, Rosa Aldana-de la Torre, Alex E Bustillo-Pardey, Anuar Morales-Rodríguez, Carolina Chegwin, Eloína Mesa Fuquen, César A Sierra, José Maurício Simões Bento, Alicia Romero-Frías","doi":"10.1093/ee/nvaf083","DOIUrl":"https://doi.org/10.1093/ee/nvaf083","url":null,"abstract":"Strategus aloeus (Coleoptera: Scarabaeidae: Dynastinae) represents a significant pest of young oil palm crops in Latin America. Although a pheromone had already been identified, its use as a tool for integrated management remained limited. Thus, to elucidate the fuller characterization of the chemical signaling associated with this beetle and its host, the volatile organic compounds (VOCs) released by S. aloeus and the oil palm bulb (Elaeis guineensis) were isolated, identified, and evaluated. The analysis was conducted using gas chromatography coupled with mass spectrometry (GC-MS), and the attractant potential of the compounds was validated by testing their effects on insects' behavior under laboratory and field conditions. From solvent-assisted extraction (SAE) samples, the compounds 2,4,7,9-tetramethyl-5-decyne-4,7-diol, sec-butyl acetate, and ethyl 4-methyloctanoate in a ratio of 58:34:8 were identified as part of a possible male-specific pheromone. Furthermore, 2-butanone and 3-pentanone were identified as components of the oil palm kairomone using static headspace with solid phase microextraction (HS-SPME) sampling. The laboratory behavioral response of S. aloeus to the 3 male-specific compounds, alone or combined, demonstrated a significant attraction (P < 0.01) of both sexes, indicating their potential involvement in intraspecific interactions, specifically as an aggregation sex pheromone. In field trials, mixtures of 3 to 5 semiochemicals demonstrated high capture rates with a female-biased proportion (80:20). The treatment containing 2-butanone, 3-pentanone, and sec-butyl acetate exhibited the highest efficacy (P < 0.0001).","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145091391","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

Dietary and multitrophic effects of the furanocoumarin xanthotoxin differ between two confamilial generalist herbivores, Chrysodeixis includens and Trichoplusia ni (Lepidoptera: Noctuidae). 呋喃香豆素黄毒素的食性和多营养效应在两种家族通用型食草动物黄蝇和毛蝇（鳞翅目：夜蛾科）之间存在差异。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-11 DOI: 10.1093/ee/nvaf090

Rediate K Degu, Eamon McDaniel, M Wyatt McManus, Kaitlyn M Timmons, Evan C Lampert

{"title":"Dietary and multitrophic effects of the furanocoumarin xanthotoxin differ between two confamilial generalist herbivores, Chrysodeixis includens and Trichoplusia ni (Lepidoptera: Noctuidae).","authors":"Rediate K Degu, Eamon McDaniel, M Wyatt McManus, Kaitlyn M Timmons, Evan C Lampert","doi":"10.1093/ee/nvaf090","DOIUrl":"https://doi.org/10.1093/ee/nvaf090","url":null,"abstract":"Different generalist herbivore species within a lineage can differ in their responses to a single plant defensive trait. Herbivore responses to plant defensive traits can also influence their interactions with their own natural enemies. Here, we rear 2 generalist herbivores, Trichoplusia ni Hübner (Lepidoptera: Noctuidae) and Chrysodeixis includens (Walker) (Lepidoptera: Noctuidae), on artificial diets containing 0%, 0.01%, 0.05%, and 0.10% xanthotoxin. We measured and compared growth rate, body size, and mortality among these 4 dietary xanthotoxin concentrations. C. includens grew more slowly and was more likely to die before adulthood as dietary xanthotoxin increased and also varied in body size. Trichoplusia ni had a higher mortality rate overall, which increased as dietary xanthotoxin increased; however, there were no effects on growth rate and body size for this species. In a second experiment, the same 4 diets were given to larvae of both species parasitized by the polyembryonic parasitoid Copidosoma floridanum Ashmead (Hymenoptera: Encyrtidae), and growth rate, mummy size, and mortality were measured and compared. There were no sublethal effects on growth rate or mummy size, and mortality increased in both herbivore species but was higher in C. includens. These results show that different generalist herbivore species can respond differently to plant defensive traits, possibly due to different levels of adaptations to a specific trait, and these responses can affect higher trophic levels. Further research can compare the multitrophic impacts of variation in responses to plant defensive traits among more generalist herbivores.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145085472","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

Physiological EcologyChanges in the supercooling ability of Holotrichia oblita (Coleoptera: Scarabaeidae) under low-temperature stress. 低温胁迫下圆毛蝗过冷能力的生理生态学变化。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-11 DOI: 10.1093/ee/nvaf081

Yana Xue, Yan Yan, Meifeng Ren, Daqi Li, Yi Wang, Junjiao Lu

{"title":"Physiological EcologyChanges in the supercooling ability of Holotrichia oblita (Coleoptera: Scarabaeidae) under low-temperature stress.","authors":"Yana Xue, Yan Yan, Meifeng Ren, Daqi Li, Yi Wang, Junjiao Lu","doi":"10.1093/ee/nvaf081","DOIUrl":"https://doi.org/10.1093/ee/nvaf081","url":null,"abstract":"The scarab beetle Holotrichia oblita Faldermann (Coleoptera: Scarabaeidae) is an economically significant subterranean pest in northern China. Studying the cold tolerance of this pest can elucidate its overwintering survival strategies, thereby providing a scientific basis for predicting its populations and developing precise overwintering control measures. In this study, we evaluated the supercooling capacity of H. oblita at various developmental stages, including larval instars, egg, pupa, and adult stages for males and females. We also examined survival rates and changes in supercooling ability under low-temperature stress. Our research found that SCPs varied significantly across developmental stages, and the lowest SCPs occurred in larvae, followed by pupae, eggs, and adults. However, no significant differences were found between the SCPs of H. oblita pupae or between male and female adults. For larvae of different day-ages, the mean supercooling points (SCPs) ranged from -3.74 to -5.37 °C. After exposure to low temperatures, the SCPs of third instar larvae ranged from -8.0 to -1.6 °C. The median lethal temperature of third instar larvae was -1.27 °C. The results of our study show that H. oblita is a cold-intolerant insect. While this species has limited cold tolerance, it burrows deep into the soil in the winter and therefore is unlikely to be exposed to lethal temperatures. This study offers insights into the overwintering strategies of H. oblita and provides a foundation for predicting larvae overwintering populations.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145085455","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

Chemical Ecology Volatiles from endangered Braya longii (Brassicales: Brassicaceae) influence oviposition choice by Plutella xylostella (Lepidoptera: Plutellidae). 濒危物种龙舌兰挥发物对小菜蛾产卵选择的影响。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-11 DOI: 10.1093/ee/nvaf086

N K Hillier, L Hermanutz

{"title":"Chemical Ecology Volatiles from endangered Braya longii (Brassicales: Brassicaceae) influence oviposition choice by Plutella xylostella (Lepidoptera: Plutellidae).","authors":"N K Hillier, L Hermanutz","doi":"10.1093/ee/nvaf086","DOIUrl":"https://doi.org/10.1093/ee/nvaf086","url":null,"abstract":"Long's Braya, Braya longii Fernald (Brassicales: Brassicaceae), is an endangered plant in the family Brassicaceae found only on the Limestone Barrens of the Great Northern Peninsula of Newfoundland, Canada. Conservation of this species hinges on management of pests, diseases, and disturbances, which threaten their small populations. In particular, a global agricultural pest, diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae), causes significant damage to persistence of B. longii and contributes to possible extinction. This study investigates if there are key volatiles that attract P. xylostella to B. longii, thereby contributing to the pest's impact on the plant. Headspace collections, GC-MS, and GC-EAD revealed a unique volatile profile for B. longii, with (E)-2-nonenal as a key volatile that elicited strong antennal responses in P. xylostella. Oviposition assays confirmed female preference for E2-nonenal-baited radishes. This finding has implications for P. xylostella pest management, highlights the importance of chemical ecology in both crop protection and endangered species conservation.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145085426","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

Digestion of fruit wastes by black soldier fly (Diptera: Stratiomyidae) larvae alters moisture content and emission of greenhouse gases, noxious gases, and odors. 黑虻（双翅目：层蝇科）幼虫消化水果废料，改变水分含量和温室气体、有害气体和气味的排放。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-11 DOI: 10.1093/ee/nvaf076

Casey A Flint, Amber E MacInnis, Chelsea D Miranda, Rachel A McNeal, Anjel M Helms, Jeffery K Tomberlin

{"title":"Digestion of fruit wastes by black soldier fly (Diptera: Stratiomyidae) larvae alters moisture content and emission of greenhouse gases, noxious gases, and odors.","authors":"Casey A Flint, Amber E MacInnis, Chelsea D Miranda, Rachel A McNeal, Anjel M Helms, Jeffery K Tomberlin","doi":"10.1093/ee/nvaf076","DOIUrl":"https://doi.org/10.1093/ee/nvaf076","url":null,"abstract":"Black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), larvae convert organic wastes into insect biomass that can be used as livestock feed. Recent evidence also suggests larvae can reduce emissions of greenhouse gases (GHG) and noxious odors. However, these benefits are substrate and scale dependent. The current study examined the impact of black soldier fly larval digestion on resulting moisture level, greenhouse gas (i.e., carbon dioxide), noxious gases (i.e., ammonia, carbon monoxide, and hydrogen sulfide), and volatile organic compound production for coconut, honeydew, orange, and control (Gainesville diet) substrates at an industrial scale. Overall, the moisture content for some substrates digested by larvae was significantly (P < 0.05) lower (>20%) than those without larvae. However, differences were substrate dependent with final moisture content ranging from 35% (coconut) to 52% (oranges). The presence of black soldier fly larvae did not significantly (P > 0.05) impact overall GHG emissions. However, significant differences were detected at select days of the experiment. From an industrial perspective, recycling waste with larvae (7-d process) would potentially result in reduced duration for producing GHG versus placing substrates in a landfill (i.e., weeks to months to compost). The presence of black soldier fly larvae significantly (P < 0.05) impacted overall volatile organic compound profiles of the substrates. Larval impact on volatile abundance, richness, and evenness was substrate dependent. These results demonstrate the need to formulate diets and engineer systems that maximize benefits associated with black soldier fly larvae, while minimizing greenhouse gas and volatile organic compound emissions.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145085468","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

Species-dependent captures of three Limonius pest click beetle (Coleoptera: Elateridae) species in western North America with aerial and ground traps. 用空中和地面诱捕器捕获北美西部三种利蒙尼害虫蠓（鞘翅目：蠓科）。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-10 DOI: 10.1093/ee/nvaf078

Willem G van Herk, Haley A Catton, Kevin Wanner, Emily Lemke, Jacqueline M Serrano

{"title":"Species-dependent captures of three Limonius pest click beetle (Coleoptera: Elateridae) species in western North America with aerial and ground traps.","authors":"Willem G van Herk, Haley A Catton, Kevin Wanner, Emily Lemke, Jacqueline M Serrano","doi":"10.1093/ee/nvaf078","DOIUrl":"https://doi.org/10.1093/ee/nvaf078","url":null,"abstract":"In western North America, 3 pest wireworms in the genus Limonius co-occur on farmland, and the click beetle adult males respond to the same single-component sex attractant, limoniic acid. While divergence in seasonal occurrence may provide a means of separating sexual communication for Limonius canus (LeConte) and Limonius californicus (Mann.), both species overlap temporally with Limonius infuscatus (Mots.), suggesting the existence of additional reproductive isolating mechanisms. To determine the effect of trap height on the relative captures of these species, we deployed ground-based Vernon Pitfall Traps and aerially suspended Japanese Beetle traps baited with limoniic acid dispensed from rubber septa or plastic capsules, in British Columbia, Alberta, Washington state, and Montana. The proportion collected of each species differed among study locations, but our data indicate species differ in trap preference, with L. infuscatus and L. californicus preferring ground traps, and L. canus preferring aerial traps. This possibly reflects preferences in where species locate mates, and therefore another separation mechanism. Lure type also had a significant effect on captures in most studies, with generally more L. californicus and/or L. infuscatus collected if capsule dispensers, and more L. canus if septa dispensers were used. Implications for monitoring these species with these trap and dispenser combinations are discussed.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145033027","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

Larval development and parasitism of emerald ash borer in Chionanthus virginicus (Oleaceae): Implications for biological control. 绿灰螟虫的幼虫发育与寄生：生物防治的意义。

IF 1.5 3区农林科学

Environmental Entomology Pub Date : 2025-09-04 DOI: 10.1093/ee/nvaf077

Heather L Callahan, Jian J Duan, Douglas W Tallamy

{"title":"Larval development and parasitism of emerald ash borer in Chionanthus virginicus (Oleaceae): Implications for biological control.","authors":"Heather L Callahan, Jian J Duan, Douglas W Tallamy","doi":"10.1093/ee/nvaf077","DOIUrl":"https://doi.org/10.1093/ee/nvaf077","url":null,"abstract":"Emerald ash borer (Agrilus planipennis Fairmaire) is an invasive wood-boring beetle that has killed millions of ash trees (Fraxinus spp.) across North America. In 2014, emerald ash borer was discovered attacking white fringetrees (Chionanthus virginicus L.) in Ohio, indicating a host range expansion. Since then, emerald ash borer activity in white fringetree has been confirmed in additional states, posing a potential threat to this native tree in natural and managed ecosystems. Though emerald ash borer can complete a full life cycle in white fringetree, there has been little research into the comparative success with which emerald ash borer develops in this novel host versus ash, or how introduced biocontrol agents will respond. We conducted laboratory and field infestations of white fringetree and ash in Delaware to compare the timing of emerald ash borer larval development and the associated response of larval parasitoids. In lab-infested white fringetree bolts, emerald ash borer developed slowly, with no larvae reaching the mature J-shaped larval stage (JL) during the 14-wk lab study, compared with all surviving larvae developing to the J-shaped larval stage in ash. Field results showed delayed emerald ash borer development and reduced survival in white fringetree, with just 1 larva out of 158 reaching the JL stage over 2 growing seasons. There was no parasitism of emerald ash borer larvae in lab- or field-infested white fringetree, likely because few larvae in this host reached instars suitable for larval parasitism. Overall, this study suggests that emerald ash borer populations in white fringetree are not self-sustaining, though further studies should be conducted using larger fringetree material, as small sizes may negatively impact larval survival.","PeriodicalId":11751,"journal":{"name":"Environmental Entomology","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144999980","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