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A Survey of Wild Bees (Hymenoptera: Anthophila) in Thunder Bay, Ontario, and Their Floral Associations 安大略省雷霆湾野生蜜蜂(膜翅目:Anthophila)及其区系调查
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.3.211
Amber N. Fredenburg, J. Gibbs, D. Henne
ABSTRACT: Bees serve an important role as pollinators and are a fundamental part of an ecosystem's biodiversity. However, the current conservation status of many bee species is largely unknown. We surveyed the wild bee species in and around Thunder Bay, a city in northwestern Ontario, Canada. The wild bee species in this region have not been fully documented but are necessary to fill gaps in many bee species ranges. We surveyed three representative flower-rich habitats of the area (an agricultural field, a tree plantation, and a wildflower meadow) throughout the summer of 2019 and collected 64 wild bee species from 17 genera and 5 families. Many species were newly documented to northwestern Ontario and one, Nomada alpha, was a newly documented species to Canada. Floral associations by all bees collected were made along with a phenology of each species found throughout the survey. The data collected allow for a better understanding of the local species that inhabit this area of Canada and provide information that would better target local conservation efforts for wild bees in the future.
摘要:蜜蜂作为传粉昆虫发挥着重要作用,是生态系统生物多样性的重要组成部分。然而,许多蜜蜂物种目前的保护状况在很大程度上是未知的。我们调查了加拿大安大略省西北部城市雷霆湾及其周围的野生蜜蜂物种。该地区的野生蜜蜂物种尚未得到充分的记录,但对于填补许多蜜蜂物种范围的空白是必要的。2019年夏天,我们调查了该地区三个具有代表性的富花栖息地(一块农田、一个植树园和一片野花草地),收集了来自5科17属的64种野生蜜蜂。安大略省西北部新记录了许多物种,其中一个物种Nomada alpha是加拿大新记录的物种。收集到的所有蜜蜂的花区关联以及整个调查中发现的每个物种的酚学。收集到的数据有助于更好地了解居住在加拿大这一地区的当地物种,并提供信息,更好地针对未来当地野生蜜蜂的保护工作。
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引用次数: 0
A New Method for Mass Collection of Hemolymph from the Cricket Gryllus bimaculatus 双斑蟋蟀血淋巴大量采集的新方法
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.2.164
Kisang Kwon, Ji-Hye Song, Honggeun Kim, O. Kwon
ABSTRACT: Hemolymph plays important roles in insect physiology. However, mass collection of high-quality hemolymph from insects for use in biochemical characterization is difficult. The present study describes a new method for mass collecting hemolymph from the cricket Gryllus bimaculatus. The method facilitates simultaneous collection of large amounts of hemolymph and prevents melanization and contamination. Using this method, we collected approximately 1 mL of hemolymph per 10 crickets in a 15 mL tube with a final protein concentration of 0.47 µg/µL. An MTT test indicated no cytotoxicity in the resulting hemolymph. Thus, this method provides a foundation for studies of new useful biomaterials, insect physiology, and nutrition using insect hemolymph, and can be widely applied to other insect species.
摘要:血淋巴在昆虫生理学中起着重要作用。然而,从昆虫中大量收集高质量的血淋巴用于生化表征是困难的。本文介绍了一种新的从双斑蟋蟀身上采集血淋巴的方法。该方法便于同时收集大量血淋巴,并防止黑化和污染。使用这种方法,我们在15毫升的试管中每10只蟋蟀收集大约1毫升的血淋巴,最终蛋白质浓度为0.47µg/µL。MTT测试表明,所产生的血淋巴中没有细胞毒性。因此,该方法为利用昆虫血淋巴研究新的有用生物材料、昆虫生理学和营养提供了基础,并可广泛应用于其他昆虫物种。
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引用次数: 1
Leaf Extract from Ailanthus altissima Negatively Impacts Life History Aspects in Spodoptera frugiperda (Lepidoptera: Noctuidae) 臭鼬叶提取物对草地贪夜蛾生活史的影响(鳞翅目:夜蛾科)
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.2.140
R. L. Wagner, M. Leach, J. Wallace
ABSTRACT: The need for novel pesticides in agriculture continues to increase, and with it, the need to identify novel phytochemicals with inhibitory properties against lepidopteran pest species. The invasive tree species, Ailanthus altissima (Mill.) Swingle (Sapindales: Simaroubaceae), has become well established in North America. However, the impact of its secondary metabolites on lepidopteran pests has not been well established. The purpose of this study was to examine the impact of water-soluble secondary metabolites from A. altissima on the life-history aspects of the agricultural pest, Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae). Laboratory reared S. frugiperda were fed artificial diets with or without water-soluble extract from A. altissima. Extract fed S. frugiperda exhibited delays in time to pupation and emergence in addition to reduced larval and pupal biomass as well as relative growth rates. Reduced food consumption was observed and fewer larvae survived to emergence if fed a diet containing A. altissima extract. Further, these adult moths had reduced biomass and smaller wings compared to larvae fed a control diet. Therefore, we suggest that A. altissima metabolites present in the aqueous extract derived from vegetative tissues have detrimental impacts on life-history aspects of S. frugiperda, and in fact, may represent a source of interesting candidate pesticide metabolites. Further studies will investigate the specific metabolites with feeding deterrent properties present in the water-soluble fraction of A. altissima.
摘要:随着农业对新型农药的需求不断增加,对鳞翅目害虫具有抑制作用的新型植物化学物质的需求也不断增加。入侵树种Ailanthus altissima (Mill.)独角草(Sapindales: simaroubacae),在北美已经很好地建立了。然而,其次生代谢物对鳞翅目害虫的影响尚未得到很好的证实。摘要本研究旨在探讨高叶蛾水溶性次生代谢物对农业害虫夜蛾(Spodoptera frugiperda J.E. Smith)生活史的影响。用含或不含高山莲水溶性提取物的人工饲料饲喂实验室饲养的水仙。结果表明,经提取物喂养的果叶蝉化蛹和羽化时间延迟,幼虫和蛹生物量降低,相对生长率降低。饲粮中添加高山花提取物可减少幼虫的摄取量,使其存活至羽化。此外,与喂食对照食物的幼虫相比,这些成年飞蛾的生物量减少,翅膀更小。因此,我们认为从营养组织提取的水提取物中存在的a . altissima代谢物对S. frugiperda的生活史方面有不利影响,实际上可能代表了一个有趣的候选农药代谢物的来源。进一步的研究将会研究高山莲水溶性部分中具有阻食特性的特定代谢物。
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引用次数: 2
Effect of Harvest Time on Royal Jelly Yield and Chemical Composition 采收时间对蜂王浆产量及化学成分的影响
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.2.132
S. Al-Kahtani, E. Taha
ABSTRACT: Royal jelly (RJ) was harvested after 24, 48, and 72 hrs of grafting to study the effect of harvest time on the yield of RJ/queen cell. The changes in the nutritional components in RJ harvested at different times post-grafting were also studied. The highest yield of RJ/queen cell was harvested after 72 hrs of grafting, while the lowest yield was harvested after 24 hrs of grafting. The lowest moisture content was found in RJ harvested after 72 hrs of grafting. The maximum concentrations of crude protein, ash, fructose, and glucose were found in RJ harvested after 72 hrs of grafting. Conversely, the highest lipid content was obtained from RJ harvested after 24 hrs of grafting. The pH value decreased and acidity increased over time after grafting. It was concluded that RJ can be harvested after 72 hrs of grafting to obtain maximum yield. The nutritional components in RJ may be changed over time after grafting, and it could differentiate between RJ harvested at different times post-grafting.
摘要:分别在嫁接24、48和72 h后收获蜂王浆,研究不同收获时间对蜂王浆/蜂王细胞产量的影响。研究了嫁接后不同收获时间RJ营养成分的变化。RJ/后细胞在接枝72 h后产量最高,接枝24 h后产量最低。嫁接72 h后收获的RJ水分含量最低。粗蛋白质、灰分、果糖和葡萄糖的含量在嫁接72小时后达到最高。相反,嫁接24小时后收获的RJ脂质含量最高。接枝后,随着时间的推移,pH值降低,酸度增加。结果表明,RJ可在嫁接72 h后收获,产量最高。嫁接后RJ的营养成分随时间变化,可以区分嫁接后不同时间收获的RJ。
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引用次数: 6
2021-2022 Membership Application 2021-2022年会员申请
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.3.265
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引用次数: 0
Preference of Conioscinella nuda (Diptera: Chloropidae) Among Four Native Grass Species 四种乡土禾本科植物中野刺蝽(双翅目:蠓科)的偏好
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.3.262
T. Springer
ABSTRACT: Adult flies of Conioscinella nuda (Adams) were collected from four native grass species, big bluestem (Andropogon gerardii Vitman), little bluestem [Schizachyrium scoparium (Michx.) Nash], sand bluestem (Andropogon hallii Hack), and Indiangrass [Sorghastrum nutans (L.) Nash] to determine the insect's preference among these species. The mean number of insects collected varied from 9.7 to 27.0 adults per 15 plants, and the order of preference of C. nuda was big bluestem, little bluestem, sand bluestem, and Indiangrass. Differences did occur among plant species for C. nuda preference (P < 0.05) where big and little bluestem were different from sand bluestem and Indiangrass (P < 0.05). The observed differences between the species may be related to spikelet pubescent hairs. The spikelets of big bluestem and little bluestem are mostly glabrous compared to those of sand bluestem and Indiangrass which are covered with conspicuous hairs. Host plant resistance may offer the best approach for controlling C. nuda.
摘要/ ABSTRACT摘要:从大蓝茎(Andropogon gerardii Vitman)、小蓝茎(Schizachyrium scoparium (micx .)) 4种本地禾本科禾本科禾本科植物中采集成蝇(Conioscinella nuda)。沙蓝茎(Andropogon hallii Hack)和印度草[Sorghastrum nutans (L.)]以确定昆虫在这些物种中的偏好。平均捕获成虫9.7 ~ 27.0只/ 15株,对大蓝茎、小蓝茎、沙蓝茎和印度草的偏好顺序为大蓝茎、小蓝茎、沙蓝茎和印度草。大蓝茎和小蓝茎与沙蓝茎和印度草的偏好存在差异(P < 0.05)。所观察到的种间差异可能与小穗短柔毛有关。大蓝茎和小蓝茎的小穗大多无毛,而沙蓝茎和印度草的小穗则有明显的茸毛。寄主植物抗性可能是防治野田红的最佳途径。
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引用次数: 0
Anthrenus dorsatus new to the United States and a comparison with Anthrenus pimpinellae ssp. pimpinellae (Coleoptera: Dermestidae) 美国新发现的背棘蚁及其与细棘蚁的比较。刺蝇科(鞘翅目:皮蝇科)
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.2.153
G. Holloway, D. Bakaloudis, Christopher W. Foster
ABSTRACT: Anthrenus dorsatus Mulsant et Rey 1868 is recorded from the United States for the first time. Species confirmation is achieved through dissection and genitalia examination. Images of A. p. pimpinellae Fabricius 1775 from the United States are examined and compared with confirmed images of A. p. pimpinellae from Europe. It is suggested that specimens from the United States identified as A. p. pimpinellae more likely belong to A. dorsatus. Habitus shapes (body width/body length) of images of United States specimens are too broad for A. p. pimpinellae. In addition, the elytral and ventrite patterns of United States specimens are not consistent with A. p. pimpinellae. To establish which species from the A. pimpinellae complex occur across the United States, dissection and genitalia examination is required
摘要:1868年首次从美国记录到背腹Anthrenus dorsatus Mulsant et Rey。物种确认是通过解剖和生殖器检查来实现的。对来自美国的A.p.pictinelae Fabricius 1775的图像进行了检查,并将其与来自欧洲的A.p.pictinellae的已确认图像进行了比较。有人认为,来自美国的被鉴定为A.p.pictinellae的标本更有可能属于A.dorsatus。美国标本图像的习性形状(体宽/体长)对皮条蛙来说太宽了。此外,美国标本的鞘翅和腹纹图案与皮条藻不一致。为了确定皮条线虫复合体中的哪些物种分布在美国各地,需要进行解剖和生殖器检查
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引用次数: 4
Impacts of Larval Diet on Pre-imaginal Development, Survival and Adult Size of Six Species of Coccinellidae (Coleoptera) 幼虫日粮对六种瓢虫科幼虫发育、存活及成虫体型的影响
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.3.256
Nathan H. Mercer, J. Obrycki
ABSTRACT: Laboratory reared predaceous lady beetles (Coccinellidae) have applications in many experiments, but can be challenging to rear optimally, especially since production of aphid prey can be time and space intensive. Alternatively, frozen Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) eggs can be purchased and used to rear larvae. This study compared larval development, survival and adult size of six species of coccinellids on diets of Acyrthosiphon pisum Harris (Hemiptera: Aphididae) and E. kuehniella eggs. Larvae reared from field-collected adults were assigned to either A. pisum or E. kuehniella egg diets and fed ad libitum until pupation. Both diets were sufficient for development and did not impact survival for the six species. Coccinella Septempunctata L. developed faster and produced larger adults when fed A. pisum. Harmonia axyridis Pallas, Hippodamia Convergens Guerin and Coleomegilla maculata De Geer performed slightly better on E. kuehniella eggs. Based on these results, E. kuehniella eggs would be a suitable larval diet for all of the species tested, except for Coc. septempunctata.
摘要:实验室饲养的食虫瓢虫在许多实验中都有应用,但由于蚜虫猎物的生产可能需要大量的时间和空间,因此如何优化饲养是一个挑战。另外,也可以购买冷冻的库氏Ephestia kuehniella Zeller(鳞翅目:Pyralidae)卵,用于培育幼虫。本研究比较了6种瓢虫在半翅目蚜虫科和kuehniella虫卵上的幼虫发育、存活和成虫大小。从野外收集的成虫中饲养的幼虫被分配到粪甲伊蚊或库氏伊蚊卵饲料中,并随意喂养直到化蛹。这两种饮食都足以满足六个物种的发育,并且不影响它们的生存。饲喂九点瓢虫后,九点瓢虫发育较快,成虫体型较大。对库氏大肠杆菌卵的处理效果稍好一些。基于这些结果,除了Coc外,库氏伊氏杆菌卵将是所有被测试物种的合适幼虫食物。除了。
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引用次数: 2
Probiotic Characterization of Enterococcus mundtii Isolated from Larval Gut of the Diamondback Moth, Plutella xylostella 小菜蛾幼虫肠道蒙氏肠球菌的益生菌特性研究
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.3.196
Wenhong Li, Jie Zhang, Yucheng Zhu, Fengliang Li
Abstract: Gut bacterium Enterococcus mundtii is one of the predominant bacterial species in the larval gut of the diamondback moth, Plutella xylostella. Probiotic characterization in auto-aggregation and hydrophobicity, carbon use ability, and pH and osmotic environment adaptability of this bacterium were analyzed. Results exhibited that E. mundtii showed inhibition against Micrococcus luteus, Bacillus thuringiensis and Escherichia coli. It revealed a high auto-aggregation score and a hydrophilic cell surface. It metabolized 24.21% of the tested carbon sources with informative utilization patterns in organic acids and carbohydrates. It had a wide range of adaptabilities, and could still metabolize in osmolytes with up to 6% potassium chloride, 6% sodium chloride, 20% ethylene glycol, 5% sodium sulfate, 2% sodium lactate, 7% urea, 200 mM sodium phosphate (pH 7.0), 20 mM sodium benzoate (pH 5.2), 100 mM ammonium sulfate (pH 8.0), and 100 mM sodium nitrate; while it could not metabolize sodium lactate ranging from 3% to 12%, sodium formate ranging from 1% to 6%, or sodium nitrite ranging from 10 to 100 mM. Enterococcus mundtii exhibited active metabolism under pH values between 5 and 10, active deaminase activity but no decarboxylase activity. The probiotic characterization of E. mundtii increased our knowledge of adaptability in gut environments.
摘要:蒙氏肠球菌(Enterococcus mundtii)是小菜蛾(Plutella xylostella)幼虫肠道中的优势细菌之一。分析了该菌在自聚集疏水性、碳利用能力、pH和渗透环境适应性等方面的特性。结果表明,蒙地菌对黄体微球菌、苏云金芽孢杆菌和大肠杆菌均有抑制作用。它显示出高的自聚集评分和亲水的细胞表面。它代谢了24.21%的碳源,在有机酸和碳水化合物方面具有丰富的利用模式。它具有广泛的适应性,并且仍然可以在渗透液中代谢高达6%氯化钾,6%氯化钠,20%乙二醇,5%硫酸钠,2%乳酸钠,7%尿素,200mm磷酸钠(pH 7.0), 20mm苯甲酸钠(pH 5.2), 100mm硫酸铵(pH 8.0)和100mm硝酸钠;而对3% ~ 12%的乳酸钠、1% ~ 6%的甲酸钠和10 ~ 100 mM的亚硝酸钠无代谢作用。蒙地肠球菌在pH值为5 ~ 10的条件下代谢活跃,脱氨酶有活性,脱羧酶无活性。孟氏杆菌的益生菌特性增加了我们对肠道环境适应性的认识。
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引用次数: 0
2021-2022 Membership Application 2021-2022年会员申请
IF 0.5 4区 农林科学 Q4 ENTOMOLOGY Pub Date : 2021-05-24 DOI: 10.2317/0022-8567-93.2.183
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引用次数: 0
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Journal of the Kansas Entomological Society
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