The seasonality of Haemaphysalis longicornis in the United States comprises overlapping life stages in the spring and summer.This is partially attributed to the ability of all stages to survive the winter.Physiologica...The seasonality of Haemaphysalis longicornis in the United States comprises overlapping life stages in the spring and summer.This is partially attributed to the ability of all stages to survive the winter.Physiological condition in ticks refers to nutritional reserve levels and is often used to characterize tick populations.To determine if lipids were suitable for estimating the physiological condition in H.longicornis,lipid content was measured in unfed laboratory-reared ticks for up to 480 d.The results showed that lipids decrease significantly over time in adults(36%at 183 d),nymphs(33%at 63 d)and larvae(28%at 102 d)and could be used to study the population structure of field-collected H.longicornis.Lipids extracted from field-collected ticks(March to October)were measured to determine if different groups or cohorts could be identified during the season.The spring nymph population included high-and low-lipid groups that partially overlapped in April and May.In larvae,the lipid content of ticks in the spring was significantly higher than in the fall,suggesting that active larvae in the early fall do not overwinter.The analysis of lipids in adults showed that high-and low-lipid adults were present throughout the season,suggesting a continuous influx of recently molted adults until the end of the adult season,where only low-lipid ticks are found.The analysis of physiological condition in the Asian longhorned tick demonstrated a complex univoltine structure with some overlap in adults from different years.展开更多
This book was written by five authors. I had met two of them, the first and third author. The first author, Steven Wayne Lingafelter, is a research entomologist with the Systematic Entomology Laboratory, USDA, based a...This book was written by five authors. I had met two of them, the first and third author. The first author, Steven Wayne Lingafelter, is a research entomologist with the Systematic Entomology Laboratory, USDA, based at the Smithsonian Institution's National Museum of Natural History. He has specialized on longhomed woodboring beetles for almost three decades and currently specializes on the Neotropical fauna.展开更多
The Asian longhorned beetle(ALB),Anoplophora glabripennis,is a well-known stem borer with high polyphagous properties causing frequent outbreaks in northeast China.An attractant-based trap is needed to improve the sen...The Asian longhorned beetle(ALB),Anoplophora glabripennis,is a well-known stem borer with high polyphagous properties causing frequent outbreaks in northeast China.An attractant-based trap is needed to improve the sensitivity,reliability,and effi ciency for detection of the beetle.In this study,the eff ects of attractants,trap types and color synergy of a trapping system were evaluated.Attractant blends comprised of the male-produced,two-component pheromone plus plant volatiles were used in the fi eld in Hengshui city.Plant volatiles(e.g.,1-pentanol,and 2-pentanol)in combination with male pheromones increased the mean number of trapped ALB compared to the pheromone alone.Males responded better than females to traps baited with plant volatiles alone,whereas traps emitting plant volatiles plus pheromone,regardless of trap type,captured more females than males.The ALB-trapping effi ciency of a modifi ed fl ight intercept panel trap was more than ten times as high as a woodborer panel trap and 1.2 times a fl ight intercept panel trap.The 1-pentanol and 2-pentanol attractants alone or in combination with male-produced pheromone were more eff ective for monitoring ALB than common lures.In laboratory Y-tube olfactometer experiments,the color brown was better at increasing attraction of both males and females to 1-pentanol,2-pentanol,1-pentanol+pheromone,and 2-pentanol+pheromone compared to the clear-glass control arm.The fi ndings provide a reliable and eff ective trap system to monitor ALB infestations.展开更多
Longhorn这个几乎所有人都耳熟能详的产品,在上个月终于有了重大进展。首先.微软公司公布了Longhorn的正式产品名称:Windows Vista(并且伴随着一句广告词:“Bringing clarity to your world”),然后,微软在MSDN订阅用户下载站...Longhorn这个几乎所有人都耳熟能详的产品,在上个月终于有了重大进展。首先.微软公司公布了Longhorn的正式产品名称:Windows Vista(并且伴随着一句广告词:“Bringing clarity to your world”),然后,微软在MSDN订阅用户下载站点上发布了Windows Vista Betal和其Server Betal版本。Betal的发布.在互联网上引起了一阵下载和安装体验的浪潮,各个软件站点也相继发布了各自的使用体验报告。展开更多
Four species of the tribe Mesosini Mulsant,1839 are recorded from Beijing,the capital of the People's Republic of China:Agelasta(Mesolophus)marmorata(Pic,1927),Mesosa(Perimesosa)atrostigma Gressitt,1942,M.(P.)hyun...Four species of the tribe Mesosini Mulsant,1839 are recorded from Beijing,the capital of the People's Republic of China:Agelasta(Mesolophus)marmorata(Pic,1927),Mesosa(Perimesosa)atrostigma Gressitt,1942,M.(P.)hyunchaei Yamasako&Hasegawa,2009,and M.(Mesosa)myops(Dalman,1817).M.(P.)hyunchaei Yamasako&Hasegawa,2009 is recorded from China for the first time,including Beijing and Jiangsu.展开更多
This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synony...This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synonyms are proposed:Eunidiopsis Breuning,1939 syn.nov.=Anaesthetobrium Pic,1923 and Mimopothyne Breuning,1956 syn.nov.=Microestola Gressitt,1940.Two new combinations are made:Anaesthetobrium bicolor(Breuning,1939)comb.nov.previously in genus Eunidiopsis Breuning,1939,and Microestola flavolineata(Breuning,1956)comb.nov.previously in genus Mimopothyne Breuning,1956.展开更多
基金supported by the United States Department of Agriculture National Institute of Food and Agriculture,Multi-State project NE1943(NJ08510)to ATthe State of New Jersey FY22 Tick Research and Control-Special Purpose Funding to NJAES/CVBsupported in part by Cooperative Agreement Number 1U01CK000509 between the Centers for Disease Control and Prevention(CDC)and the Northeast Center of Excellence in Vector-Borne Diseases.
文摘The seasonality of Haemaphysalis longicornis in the United States comprises overlapping life stages in the spring and summer.This is partially attributed to the ability of all stages to survive the winter.Physiological condition in ticks refers to nutritional reserve levels and is often used to characterize tick populations.To determine if lipids were suitable for estimating the physiological condition in H.longicornis,lipid content was measured in unfed laboratory-reared ticks for up to 480 d.The results showed that lipids decrease significantly over time in adults(36%at 183 d),nymphs(33%at 63 d)and larvae(28%at 102 d)and could be used to study the population structure of field-collected H.longicornis.Lipids extracted from field-collected ticks(March to October)were measured to determine if different groups or cohorts could be identified during the season.The spring nymph population included high-and low-lipid groups that partially overlapped in April and May.In larvae,the lipid content of ticks in the spring was significantly higher than in the fall,suggesting that active larvae in the early fall do not overwinter.The analysis of lipids in adults showed that high-and low-lipid adults were present throughout the season,suggesting a continuous influx of recently molted adults until the end of the adult season,where only low-lipid ticks are found.The analysis of physiological condition in the Asian longhorned tick demonstrated a complex univoltine structure with some overlap in adults from different years.
文摘This book was written by five authors. I had met two of them, the first and third author. The first author, Steven Wayne Lingafelter, is a research entomologist with the Systematic Entomology Laboratory, USDA, based at the Smithsonian Institution's National Museum of Natural History. He has specialized on longhomed woodboring beetles for almost three decades and currently specializes on the Neotropical fauna.
基金supported by the Fundamental Research Funds for the Central Universities(2572021BK01).
文摘The Asian longhorned beetle(ALB),Anoplophora glabripennis,is a well-known stem borer with high polyphagous properties causing frequent outbreaks in northeast China.An attractant-based trap is needed to improve the sensitivity,reliability,and effi ciency for detection of the beetle.In this study,the eff ects of attractants,trap types and color synergy of a trapping system were evaluated.Attractant blends comprised of the male-produced,two-component pheromone plus plant volatiles were used in the fi eld in Hengshui city.Plant volatiles(e.g.,1-pentanol,and 2-pentanol)in combination with male pheromones increased the mean number of trapped ALB compared to the pheromone alone.Males responded better than females to traps baited with plant volatiles alone,whereas traps emitting plant volatiles plus pheromone,regardless of trap type,captured more females than males.The ALB-trapping effi ciency of a modifi ed fl ight intercept panel trap was more than ten times as high as a woodborer panel trap and 1.2 times a fl ight intercept panel trap.The 1-pentanol and 2-pentanol attractants alone or in combination with male-produced pheromone were more eff ective for monitoring ALB than common lures.In laboratory Y-tube olfactometer experiments,the color brown was better at increasing attraction of both males and females to 1-pentanol,2-pentanol,1-pentanol+pheromone,and 2-pentanol+pheromone compared to the clear-glass control arm.The fi ndings provide a reliable and eff ective trap system to monitor ALB infestations.
文摘Longhorn这个几乎所有人都耳熟能详的产品,在上个月终于有了重大进展。首先.微软公司公布了Longhorn的正式产品名称:Windows Vista(并且伴随着一句广告词:“Bringing clarity to your world”),然后,微软在MSDN订阅用户下载站点上发布了Windows Vista Betal和其Server Betal版本。Betal的发布.在互联网上引起了一阵下载和安装体验的浪潮,各个软件站点也相继发布了各自的使用体验报告。
基金supported by the Biodiversity Survey and Assessment Project of Beijing,the Biodiversity Survey and Assessment Project of the Ministry of Ecology and Environment,China(2019HJ2096001006).
文摘Four species of the tribe Mesosini Mulsant,1839 are recorded from Beijing,the capital of the People's Republic of China:Agelasta(Mesolophus)marmorata(Pic,1927),Mesosa(Perimesosa)atrostigma Gressitt,1942,M.(P.)hyunchaei Yamasako&Hasegawa,2009,and M.(Mesosa)myops(Dalman,1817).M.(P.)hyunchaei Yamasako&Hasegawa,2009 is recorded from China for the first time,including Beijing and Jiangsu.
基金supported by a special fiscal fund from the Department of Forestry of Zhejiang Province for“Fauna and information management of insect resources in Zhejiang Province”by NSFC programs 31472029(Meiying LIN)and J1210002+1 种基金the China Scholarship Council(201704910195)partly by a grant(Y229YX5105)from the Key Laboratory of the Zoological Systematics and Evolution of the Chinese Academy of Sciences。
文摘This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synonyms are proposed:Eunidiopsis Breuning,1939 syn.nov.=Anaesthetobrium Pic,1923 and Mimopothyne Breuning,1956 syn.nov.=Microestola Gressitt,1940.Two new combinations are made:Anaesthetobrium bicolor(Breuning,1939)comb.nov.previously in genus Eunidiopsis Breuning,1939,and Microestola flavolineata(Breuning,1956)comb.nov.previously in genus Mimopothyne Breuning,1956.