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Spatio-temporal species aggregations do not rule out interspecific competition in tree hollow spider assemblages Las agregaciones espaciotemporales entre especies no descartan la competencia interespecífica en los ensambles de arañas de las oquedades arbóreas 树洞蜘蛛群的时空物种聚集并不排除种间竞争 树洞蜘蛛群的时空物种聚集并不排除种间竞争 树洞蜘蛛群的时空物种聚集并不排除种间竞争 树洞蜘蛛群的时空物种聚集并不排除种间竞争
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-10-06 DOI: 10.1111/een.13286
Gerard Martínez-Devesa, Jesús Hernández-Corral, Estefanía Micó

群落的生物多样性反映了物种之间的共存。在某种程度上,这往往取决于是否存在资源竞争以及如何处理这种竞争。老树洞的性质是有限的和相对孤立的,这使得它们非常适合研究它们的居民之间的竞争现象,比如Araneae。利用零模型在群落和两两水平上的空间共现模式分析,推断地中海森林树空心蜘蛛群落结构中存在种间竞争。分析对象为36种蜘蛛,每月采集1年。讨论了四种生态性状、体型和物候在格局类型上的分布。结果表明,在群落水平上以空间分离为主,在两两水平上以不同性状物种间的空间聚集为主。狩猎策略和体型是促进这些聚集的主要差异特征。此外,在主要活动时期,也只有以东凤眼阿玛氏(Amaurobius scopolihaeus scuculatus)为首的群落和以白斑阿玛氏(Eratigena atrica liocranum majus)为首的群落出现重叠。不同特征树种的群落分离和时空聚集表明,种间竞争很可能是树空心蜘蛛群落的一个结构因素。相反,成对水平上的分离似乎是由其他因素造成的,例如,栖息地偏好。
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引用次数: 0
Estimating biocontrol agent spread: A case study using introduced dung beetles 估算生物控制剂的传播:利用引进的蜣螂进行案例研究
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-23 DOI: 10.1111/een.13279
Marcela Del Carmen Vieira, Jake Manger, Benedict White, Jacob D. Berson, Fiona Dempster, Theodore A. Evans

昆虫生物防治药剂的释放地点相对较少;因此,传播速率对于预测病原体的空间分布至关重要。自20世纪60年代以来,外来蜣螂被引入澳大利亚,用于掩埋粪便,减少丛林苍蝇数量,提高牧场生产力和改善牲畜健康。本文采用随机元胞自动机模型对西澳西南农业区引种屎壳郎的历史占用率和丰度进行了预测。该模型预测了四种蜣螂在最初释放后的10年内以6个月的时间步骤传播。我们的模型包括释放地点、物种特定的生态参数、粪便资源可用性和天气变量。物种间的平均传播速率最高(中间Euoniticellus intermedius)约79 km/年,最低(Onthophagus taurus)约28 km/年。因此,10年后,扩散面积在99,175 ~ 34,175 km2之间变化,丰度在88,100 ~ 4,189 km2之间变化。这些发现提供了对屎壳郎传播模式的估计。该模型可用于指导澳大利亚和其他地方未来的屎壳郎放生计划。
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引用次数: 0
Adult thermoregulatory behaviour does not provide, by itself, an adaptive explanation for the reflectance–climate relationship (Bogert's pattern) in Iberian butterflies 成年体温调节行为本身并不能为伊比利亚蝴蝶的反射率-气候关系(博格特模式)提供适应性解释
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-20 DOI: 10.1111/een.13281
Mario Álamo, Enrique García-Barros, Helena Romo

昆虫翅膀颜色较深、反射率较低与较冷环境(Bogert’s rule)的关联被认为与成虫的体温调节有关,但适应性解释及其对气候变暖敏感性的影响尚未得到验证。我们使用比以前的方法更精细的分辨率数据重新评估蝴蝶的模式,包括地理和形态,并测试其与最近变暖对蝴蝶影响的证据的相关性。我们比较了不同网格尺寸下的反射率与气候的关系,选择了反射率测量的最佳子集,并测试了物种晒晒模式的贡献、数据的系统发育结构以及反射率与出版丰度或海拔高度变化之间的相关性。我们使用了来自伊比利亚半岛222个物种的标准化RGB(红、绿、蓝)值,以及来自研究区域(10和50公里分辨率)和欧洲(50公里分辨率)的区域平均温度和降水数据。在更精细的地理和形态分辨率下,反射率和温度之间的相关性增加。然而,蝴蝶晒模式并没有改善对该模式的统计解释。反射率表现出较强的系统发育结构,而方差划分表明气候变量在反射率-气候相关性中的纯粹贡献较差。总的来说,平均温度和降水只是蝴蝶反射率的适度预测因子。使用假设的最佳反射率估计,没有发现反射率与最近的丰度或高度变化之间的相关性。虽然蝴蝶遮阳和高度变化之间的显著相关性在两个反射率测量中被发现,但这被解释为这种关系预测能力的弱证据,可能是人为的证据。反射率的强系统发育模式和所分析的反射率测量的低比例表明,仍然需要对其他解释进行测试,以阐明蝴蝶的颜色-环境关系的含义,这种关系可能具有复杂的性质。从适应性的角度来看,解开蝴蝶Bogert模式的基础需要一个更接近的,栖息地水平的方法和成年体温调节行为的替代变量进行测试。
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引用次数: 0
Cytoplasmic incompatibility and female fecundity associated with Wolbachia infection in a cricket species 蟋蟀物种中与沃尔巴克氏体感染相关的细胞质不相容和雌性繁殖力
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-19 DOI: 10.1111/een.13282
Dao-Hong Zhu, Long-Tao Liu

沃尔巴克氏体是一种母体遗传的α -变形菌门内共生体,广泛存在于节肢动物和线虫中。细胞质不相容(CI)是节肢动物中最常见的内共生操作,即当感染沃尔巴克氏体的雄性与未感染沃尔巴克氏体的雌性受精时,胚胎存活率降低。本研究通过对双翅蟋蟀(直翅目:灰鼠科)进行内共生菌感染研究和杂交实验,以阐明沃尔巴克氏体对宿主繁殖的影响。所有检测个体均感染了两种沃尔巴克氏体菌株wAsp‐a和wAsp‐f,分别属于超群a和超群f。在感染沃尔巴克氏体和未感染沃尔巴克氏体的品系之间,若虫发育的持续时间和雌性比例没有明显差异。然而,与感染沃尔巴克氏体的雄性与感染沃尔巴克氏体的雌性杂交相比,感染沃尔巴克氏体的雄性与感染沃尔巴克氏体的雌性杂交可使孵化率降低28%。没有沃尔巴克氏体的雌虫产卵量明显低于与感染雄虫或未感染雄虫交配的感染雌虫的产卵量。这些结果表明沃尔巴克氏体诱导长尾弓形虫不完全CI并提高雌性生殖力。由于在C、D和F超群中均未发现与CI相关的同源cifA和cifB基因,因此可以认为长尾弧菌的CI是由a超群的wAsp‐a菌株诱导的。此外,寄生蜂‐a沃尔巴克氏体密度随蛹发育的显著增加可能与CI的调控有关。
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引用次数: 0
Exploring spatial and temporal patterns of viral infection across populations of the Melissa blue butterfly 探索梅丽莎蓝蝴蝶种群间病毒感染的时空模式
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-18 DOI: 10.1111/een.13280
Kelli J. McKeegan, Nadya D. Muchoney, Mike B. Teglas, Matthew L. Forister, Angela M. Smilanich

识别自然系统中病原体感染的模式对于理解宿主-病原体相互作用的机制至关重要。本研究探讨了两种寄主植物对梅利莎蓝蝴蝶(Lycaeides Melissa: Lycaenidae)种群中Junonia coenia densovirus (JcDV)感染的时空变化规律。筛选来自多个种群和年份的L. melissa成虫,以及宿主植物组织和在宿主植物上发现的节肢动物群落样本,以确定JcDV的流行和负荷。此外,我们在单个L. melissa飞行季节的多个时间点取样,以调查感染模式的年内变化。我们发现,在不同的采集年份,L. melissa的病毒流行率存在群体特异性差异,历史样本的病毒流行率可能高于当代样本,尽管寄主植物饮食对这些模式没有提供信息。在一个飞行季节中,跨多代的感染模式表明,季末样本中JcDV阳性个体的比例更高,这表明病毒在整个季节中积累。来自JcDV衣壳基因片段的序列数据显示,在不同地点收集的L. melissa之间缺乏病毒遗传多样性,并且在周围环境中几乎没有发现病毒颗粒。我们发现感染的时间变化表明,在描述病原体在多伏特宿主中的流行时,必须进行多次采样。我们的发现为进一步探索野生昆虫种群中介导疾病流行和宿主特异性感染变异的生态因素迈出了重要的第一步。
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引用次数: 0
Plastics and insects: Records of ants entangled in synthetic fibres 塑料与昆虫蚂蚁被合成纤维缠绕的记录
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-18 DOI: 10.1111/een.13284
Álvaro Luna, Armand Rausell-Moreno, J. Manuel Vidal-Cordero

塑料污染是一种新兴的环境风险,因为它可能对许多物种产生负面影响。然而,由于这种污染物在自然环境中与昆虫和土壤动物相互作用的信息仍然有限,因此对陆生无脊椎动物的研究还有很多。本文介绍了在西班牙拉帕尔马岛(La Palma)的顶雀灌木林地和金丝雀松林中分别发现的两种蚂蚁——大蚁(Lasius grandis, Forel, 1909)(膜翅目:蚁科)和单蚁(Monomorium sp.)(膜翅目:蚁科)被合成纤维缠绕的记录。据我们所知,这是关于蚂蚁和其他昆虫被塑料缠住的第一批报道之一。尽管我们的样本量很小,但这种相互作用可能更为普遍。除其他影响外,蚂蚁可能会将小塑料碎片运送到不同的土壤层,但更多地了解蚂蚁和其他土壤无脊椎动物与塑料的相互作用,将有助于我们更好地理解这种新兴污染物与不同程度人类使用生态系统中土壤动物的关系。
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引用次数: 0
The response to fire by two eusocial bee species 两种社会性蜜蜂对火灾的反应
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-17 DOI: 10.1111/een.13283
Georgios Nakas, Maria Lazarina, Taxiarchoula-Tzoanna Chtenelli, Stefanos Sgardelis, Panayiotis G. Dimitrakopoulos, Jelle Devalez, Theodora Petanidou

火是影响生命进化、塑造动植物多样性的世界性扰动;这在地中海地区尤其适用。在这项研究中,我们探讨了两种Halictidae的真社会性蜜蜂,即Lasioglossum marginatum (brull, 1832)和Lasioglossum malachurum (Kirby, 1802)对火的反应,以及它们的种群数量、体型和授粉专业化。这项研究是在希腊的希俄斯岛进行的,时间是野火发生后的头三年(2013-2015年)。通过比较未燃烧地点和燃烧地点,从空间角度考察了火灾效应;通过比较不同火灾后年份的人口,从时间角度考察了火灾效应。我们发现l . malachurum人口随时间增加火之后,当他们在烧网站更加丰富postfire第二年。与此相反,在烧过和未烧过的地点,边缘L.的种群数量都有所下降,这表明这种下降并不仅仅是火的影响。两种昆虫的虫体大小在不同的年份之间存在差异,尽管仅在火灾后的第一年,但在烧毁地点的边缘夜蛾个体比未烧毁地点的小。最后,两个物种都表现出较高的伴侣忠诚,但对不同的植物伴侣。我们的结果强调了在种内水平上关注干扰影响的研究的重要性。然而,长期监测是必要的,特别是在全球传粉媒介危机和气候变化导致的野火更加频繁和严重的背景下。
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引用次数: 0
Oviposition fluids from adult wasps mediate interspecific competition between parasitoid larvae 成蜂的产卵液介导寄生幼虫之间的种间竞争
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-14 DOI: 10.1111/een.13276
Ryan L. Paul, Dhaval K. Vyas, Paul J. Ode

当寄生蜂幼虫共用一个寄主昆虫时,它们会进行激烈的种间竞争,对失败者具有致命的后果。一般认为,幼虫与寄生蜂的竞争是由身体特征来解决的,比如下颌骨变大。虽然独居的寄生性幼虫通常是群居幼虫的优势竞争者,但这种生理特征不太可能对大量竞争者有效。幼虫竞争可能是由母体因素介导的,从而增加了面临种间竞争的后代的存活率,从而提高了亲代的适合度。当在宿主体内产卵时,许多雌性拟寄生物也会注射产卵液,这种液体可以抑制宿主的免疫反应,从而使后代成功发育。我们探索了两种Cotesia属黄蜂(Cotesia rubecula,一种强大的竞争者,几乎总是在与较弱的竞争者Cotesia glomerata的种间竞争中获胜)的产卵液是否也可能代表母体因素提高其后代的种间竞争能力。研究结果表明,注射风疹c的毒液和花萼液均能抑制肾小球c的卵孵化和幼虫发育。红毛囊蛇毒使肾小球球虫卵发育降低2.7倍,花萼液注射导致23%的肾小球球虫发育畸形。相反,反复注射肾小球囊孢虫卵液对风疹囊孢的发育没有抑制作用。我们的研究结果表明,母体因素可以提高寄生蜂幼虫的种间竞争能力,挑战了以往寄生蜂幼虫竞争主要通过身体对抗或幼虫分泌物来解决的假设。
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引用次数: 0
Exploring the males' terminal investment strategy: Impact of the dose of stress and the time lapse between stress and mating 探索雄性的终端投资策略:应激剂量和应激与交配之间时间间隔的影响
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-13 DOI: 10.1111/een.13275
Sagrario Cordero-Molina, Laura Mendoza, Yesenia Alvarado, Indrikis Krams, Jorge Contreras-Garduño

在终端投资策略中,生物在死亡风险高、未来繁殖机会不确定的情况下,分配资源以最大化当前繁殖。然而,压力和生殖投资(求偶vs求偶和交配)之间的时间间隔是否会触发终端投资策略仍不清楚。我们用氧化应激作为应激源在黄粉虫中检验了这一假设。考虑到这是第一次使用氧化应激来触发终端投资,我们首先进行了配偶选择试验,雄性暴露于5,20,40或80毫米的促氧化剂百草枯(PQ)中,对雌性进行求爱行为。随后,我们分析了每种剂量下的男性死亡率。与对照组相比,暴露于5毫米处理的雄性小鼠存活率更高,而暴露于80毫米处理的雄性小鼠寿命更短。求偶后,对照组与20或40 mM PQ处理组之间的死亡率无显著差异。值得注意的是,只有暴露于40毫米PQ的雄性比对照组更受欢迎。在第三个实验中,我们量化了雄性在氧化应激(40 mM)后不同时间间隔求偶和交配的生存成本。当雄性暴露于40 mM PQ并在3 h后交配时,它们的死亡率明显低于暴露于氧化应激、求偶和交配但在24 h后交配的雄性。我们认为,氧化应激剂量与求偶和交配之间的时间间隔的相互作用可能解释了支持终端投资或诚实信号的相反结果。
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引用次数: 0
Bottom-up effects shift top-down community structure of the parasitoid guild that attacks Asphondylia borrichiae (Diptera: Cecidomyiidae) on Borrichia frutescens (Asteraceae) 自下而上的影响改变了寄生于紫穗槐(菊科)上的蛀虫(Asphondylia borrichiae)(双翅目:蛀虫科)的自上而下的群落结构
IF 2.2 3区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-09-12 DOI: 10.1111/een.13278
Kevin Orta, Anthony M. Rossi

摘要/ Abstract摘要:飞毛桃(Asphondylia Borrichia frutescens)在其寄主植物Borrichia frutescens的顶端分生组织中产生瘿,幼虫在瘿内发育并化蛹。在发育过程中,未成熟阶段的蠓会受到四种寄生蜂的攻击;其中的两种寄生蜂,Galeopsomyia haemon和Torymus umbilicatus,是该行会最常见的成员,并且都是超寄生的。在目前的研究中,在长期的压榨试验中,将白僵菌地块随机分配为对照(未处理)、盐渍或施肥。虽然试验田最初在茎长、瘿和花密度上没有差异,但3个月后,它们开始表现出显著差异,这表明胁迫(盐渍地)和活力(施肥地)。施过肥的地块比对照和施过盐的地块产生的瘿分别高出约20%和31%。在施肥的田块中,较大的虫瘿直径导致寄生蜂群落向最大的寄生蜂T. umgbilicatus转移,而在盐碱地中产生的较小的虫瘿则偏向于最小但群居的G. haemon;有趣的是,这种模式适用于不同治疗的脐带血绦虫,而当所有治疗联合使用时,对血绦虫的影响并不显著。该研究表明,改变寄主植物特征的非生物因素,如瘿直径,会影响攻击白蠓的寄生蜂行会的组成,这对蠓在扩大寄主范围期间获得无敌空间有影响。
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引用次数: 0
期刊
Ecological Entomology
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