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词条 Culex tritaeniorhynchus
释义

  1. Habitat

  2. Morphology and biology

      Biting habits  

  3. References

  4. External links

{{more citations needed|date=April 2015}}{{Italic title}}{{Taxobox
| name = Culex tritaeniorhynchus
| regnum = Animalia
| phylum = Arthropoda
| classis = Insecta
| ordo = Diptera
| familia = Culicidae
| genus = Culex
| species = C. tritaeniorhynchus
| binomial = Culex tritaeniorhynchus
| binomial_authority = Giles, 1901
| synonyms = *Culex biroi Theobald, 1905
  • Culex summorosus Dyar, 1920

}}Culex (Culex) tritaeniorhynchus is a species of mosquito and is the main vector of the disease Japanese encephalitis.[1] This mosquito is a native of northern Asia, and parts of Africa (northeast and sub-Saharan).[2] Females target large animals for blood extraction, including cattle and swine, and are strongly anthropophilic.[3]

Habitat

The larval habitat of Cx. tritaeniorhynchus primarily consists of low lying water logged areas such as grasses and fallow rice fields, but this species can also be found in wells, ponds, ditches and has been reported in urban environments in close proximity to human populations, such as water storage containers in houses.[4][5] Culex tritaeniorhynchus is extremely common and widespread. It can be found in locations where the annual mean temperature ranges from 8.2 - 28.9°C, with elevations of a maximum 838m above sea level.[6] Recorded presence of Cx. tritaeniorhynchus through surveys and mosquito collections list the species as being present in Bangladesh, Cambodia, India, Indonesia, Malaysia, Myanmar, Nepal, Singapore, Sri Lanka, Thailand and Viet Nam.[3][6] Attempts have been made to model the distribution of Cx. tritaeniorhynchus using species distribution models; the predicted geographic distribution of the vector in 2011 can be seen below,[6] however, the species may have expanded its distribution in current years due to changes in global climate.[7]

Morphology and biology

The mosquito species Culex tritaeniorhynchus Giles is part of the Culex vishnui subgroup, which also includes Culex pseudovishnui Colless and Cx. vishnui Theobald.[8] As the species are very morphologically similar, it is often difficult to identify the adult specimens collected from the field. Cx.tritaeniorhynchus is a relatively small, reddish brown species.[9] It can be identified by the dark brown scaling on the vertex and scutum, the accessory pale patches basal to the pale band on the ventral surface of the proboscis, and the narrow apical dark ring on the hind femur.[3]

Biting habits

Adult emergence typically commences around mid-afternoon, and reaches a maximum around dusk [10]. Cx. tritaeniorhynchus generally has a biphasic biting profile - with feeding peaking around 7pm, declining throughout the midnight hours, then peaking again around 3am.[11][12][13] Periodicity can change dramatically depending on the location, season and climate;[14] further studies are required to determine habits of this vector at each of its different distributions as information on biting activity of vectors can play a vital role in personal protection measures, vector control and biting prevention. Culex tritaeniorhynchus is predominantly an exophilic species which rest outdoors after taking a blood meal, however, this also varies based on geographic location.[15]

References

1. ^{{Cite journal|title = Ecological studies on Culex tritaeniorhynchus as a vector of Japanese encephalitis|journal = Bulletin of the World Health Organization|date = 1973-01-01|issn = 0042-9686|pmc = 2481081|pmid = 4363396|pages = 41–47|volume = 49|issue = 1|first = L. S.|last = Self|first2 = H. K.|last2 = Shin|first3 = K. H.|last3 = Kim|first4 = K. W.|last4 = Lee|first5 = C. Y.|last5 = Chow|first6 = H. K.|last6 = Hong}}
2. ^{{Cite book|title = The Biology of Mosquitoes, Volume 3 Transmission of Viruses and Interactions with Bacteria|last = Clements|first = Alan|publisher = CABI|year = 2012|isbn = 978-1845932428|location = |pages = }}
3. ^1 2 {{Cite journal|url = http://ww.w.sandflycatalog.org/files/pdfs/MS26N02P075.PDF|title = Illustrated keys to species of Culzx (Culex) associated with Japanese Encephalitis in Southeast Asia (Diptera: Culicidae)|last = Reuben|first = R|date = 1994|journal = Mosquito Systematics|doi = |pmid = |access-date = 14 October 2015|deadurl = yes|archiveurl = https://web.archive.org/web/20160304084202/http://ww.w.sandflycatalog.org/files/pdfs/MS26N02P075.PDF|archivedate = 4 March 2016|df = }}
4. ^{{Cite journal|title = Studies on the Mosquitoes of North Arcot District, Madras State, India Part 5. Breeding places of the Culex vishnui group of species|url = http://jme.oxfordjournals.org/content/8/4/363|journal = Journal of Medical Entomology|date = 1971-10-30|issn = 0022-2585|pmid = 4400663|pages = 363–366|volume = 8|issue = 4|doi = 10.1093/jmedent/8.4.363|first = Rachel|last = Reuben}}
5. ^{{Cite journal|title = Morphometric and allozyme variation in Culex tritaeniorhynchus mosquito populations from India|url = http://jinsectscience.oxfordjournals.org/content/10/1/138|journal = Journal of Insect Science|date = 2010-01-01|issn = 1536-2442|pmc = 3388975|pmid = 20883134|pages = 138|volume = 10|issue = 1|doi = 10.1673/031.010.13801|first = Phool Chand|last = Kanojia|first2 = Mandar S.|last2 = Paingankar|first3 = Avinash A.|last3 = Patil|first4 = Mangesh D.|last4 = Gokhale|first5 = Dileep N.|last5 = Deobagkar}}
6. ^1 2 {{Cite journal|title = Ecological Niche Modeling to Estimate the Distribution of Japanese Encephalitis Virus in Asia|journal = PLoS Negl Trop Dis|date = 2012-06-19|pmc = 3378598|pmid = 22724030|pages = e1678|volume = 6|issue = 6|doi = 10.1371/journal.pntd.0001678|first = Robin H.|last = Miller|first2 = Penny|last2 = Masuoka|first3 = Terry A.|last3 = Klein|first4 = Heung-Chul|last4 = Kim|first5 = Todd|last5 = Somer|first6 = John|last6 = Grieco}}
7. ^{{Cite journal|url = https://www.wageningenur.nl/upload_mm/f/6/1/f2ce6fe8-2bc1-479c-a503-ad7c80e816aa_Mosquitoes_Culicoides_vector_range_influence_climate_change_RevscitechnOIE2015.pdf|title = Mosquitoes and Culicoides biting midges: vector range and the influence of climate change|last = Elbers|first = A|date = 2015|journal = Rev. Sci. Tech. Off. Int. Epiz|doi = |pmid = |access-date = 14 October 2015}}
8. ^{{Cite journal|title = Identification of Culex vishnui Subgroup (Diptera: Culicidae) Mosquitoes from the Ryukyu Archipelago, Japan: Development of a Species-Diagnostic Polymerase Chain Reaction Assay Based on Sequence Variation in Ribosomal DNA Spacers|journal = Journal of Medical Entomology|pages = 554–558|volume = 37|issue = 4|doi = 10.1603/0022-2585-37.4.554|first = Takako|last = Toma|first2 = Ichiro|last2 = Miyagi|first3 = Mary B.|last3 = Crabtree|first4 = Barry R.|last4 = Miller|pmid=10916296|date=Jul 2000}}
9. ^{{cite book|author1=Norbert Becker |author2=Dusan Petric |author3=Marija Zgomba |author4=Clive Boase |author5=Minoo Madon |author6=Christine Dahl |author7=Achim Kaiser |title = Mosquitoes and Their Control|publisher = Springer Science & Business Media|location = New York, New York|date = 2010|pages = 349|isbn = 9783540928744|url = https://books.google.com/?id=JIfgVr1f4IQC&pg=PA349&dq=Culex+tritaeniorhynchus#v=onepage&q=Culex%20tritaeniorhynchus&f=false}}
10. ^{{Cite journal|url = |title = Laboratory observations on developmental rhythms and mating behaviour in Culex tritaeniorhynchus|last = Khan|first = A.Q|date = 1977|journal = Mosq. News|doi = |pmid = }}
11. ^{{Cite journal|title = Nocturnal biting rhythms of mosquitoes (Diptera Culicidae) in Sri Lanka|journal = Tropical Zoology|date = 1995-06-01|issn = 0394-6975|pages = 43–53|volume = 8|issue = 1|doi = 10.1080/03946975.1995.10539271|first = F. P.|last = Amerasinghe|first2 = N. G.|last2 = Indrajith}}
12. ^{{Cite journal|url = |title = The influence of physiological age on the biting rhythm of Culex tritaeniorhynchus Giles (Diptera : Culcidae)|last = Aslam|first = Y|date = 1977|journal = The Southeast Asian Journal of Tropical Medicine and Public Health|doi = |pmid = }}
13. ^{{Cite journal|title = Mosquito biting activity on humans & detection of Plasmodium falciparum infection in Anopheles stephensi in Goa, India|url = http://www.ijmr.org.in/text.asp?2012/135/1/120/93434|journal = The Indian Journal of Medical Research|date = 2012-01-01|pmc = 3307172|pmid = 22382193|volume = 135|issue = 1|doi = 10.4103/0971-5916.93434|first = Ashwani|last = Kumar|first2 = Dipak|last2 = Kabadi|first3 = NandiniS|last3 = Korgaonkar|first4 = RajpalS|last4 = Yadav|first5 = AdityaP|last5 = Dash|pages=120–6}}
14. ^{{Cite journal|url = |title = Effects of climatic conditions on the biting density and relative abundance of Simulium damnosum complex in a rural Nigerian farm settlement|last = Eyo|first = Joseph Effiong|date = 2014|journal = Annals of Agricultural and Environmental Medicine|doi = |pmid = |display-authors=etal}}
15. ^{{Cite journal|url = |title = Outdoor resting preference of Culex tritaeniorhynchus, the vector of Japanese encephalitis in Warangal and Karim Nagar districts, Andhra Pradesh|last = Das|first = Bina Pani|date = 2004|journal = J Vector Borne Dis|doi = |pmid =15332484 }}

External links

  • [https://web.archive.org/web/20070929181211/http://www.wrbu.org/SpeciesPages_non-ANO/Non-ANO_A-hab/CXtri_hab.html Extra information, photograph, additional references]
{{Taxonbar|from=Q3007103}}

4 : Culex|Biting insects|Insect vectors of human pathogens|Insects described in 1901
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