Karyological identification of two taxa of the <i>Anopheles balabacensis</i> complex from Burma

May, Khin

doi:10.1139/g87-151

Cited by 5 publications

(4 citation statements)

References 3 publications

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“…at site 49 [36] and 148 [37], and An. scanloni at site 126 [37], should be taken with caution and investigated further. This is also the case for records of An.…”

Section: Resultsmentioning

confidence: 99%

The Anopheles dirus complex: spatial distribution and environmental drivers

Obsomer

Defourny

Coosemans

2007

Malar J

162

182

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BackgroundThe Anopheles dirus complex includes efficient malaria vectors of the Asian forested zone. Studies suggest ecological and biological differences between the species of the complex but variations within species suggest possible environmental influences. Behavioural variation might determine vector capacity and adaptation to changing environment. It is thus necessary to clarify the species distributions and the influences of environment on behavioural heterogeneity.MethodsA literature review highlights variation between species, influences of environmental drivers, and consequences on vector status and control. The localisation of collection sites from the literature and from a recent project (MALVECASIA) produces detailed species distributions maps. These facilitate species identification and analysis of environmental influences.ResultsThe maps give a good overview of species distributions. If species status partly explains behavioural heterogeneity, occurrence and vectorial status, some environmental drivers have at least the same importance. Those include rainfall, temperature, humidity, shade, soil type, water chemistry and moon phase. Most factors are probably constantly favourable in forest. Biological specificities, behaviour and high human-vector contact in the forest can explain the association of this complex with high malaria prevalence, multi-drug resistant Plasmodium falciparum and partial control failure of forest malaria in Southeast Asia.ConclusionEnvironmental and human factors seem better than species specificities at explaining behavioural heterogeneity. Although forest seems essential for mosquito survival, adaptations to orchards and wells have been recorded. Understanding the relationship between landscape components and mosquito population is a priority in foreseeing the influence of land-cover changes on malaria occurrence and in shaping control strategies for the future.

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“…at site 49 [36] and 148 [37], and An. scanloni at site 126 [37], should be taken with caution and investigated further. This is also the case for records of An.…”

Section: Resultsmentioning

confidence: 99%

The Anopheles dirus complex: spatial distribution and environmental drivers

Obsomer

Defourny

Coosemans

2007

Malar J

162

182

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“…Several crossing, chromosomal, and RFLP studies confirmed the species status of An. scanloni (Baimai et al 1984a;1987;1988a;May 1987;Baimai 1988aBaimai , 1988bYasothornsrikul et al 1988;Sawadipanich et al 1990;Audtho et al 1995;Poopittayasataporn & Baimai 1995). Scanning electron micrographs of the eggs of An.…”

Section: Anopheles (Cellia) Scanlonimentioning

confidence: 99%

Revision of the Leucosphyrus group of Anopheles (Cellia) (Diptera, Culicidae)

Sallum¹,

Peyton²,

Harrison³

et al. 2005

Rev. Bras. entomol.

101

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“…Anopheles dirus species C of Baimai et al ., 1984: 536 (cytogenetics); Wibowo et al ., 1984: 425 (H‐banding pattern of sex chromosomes); Baimai et al ., 1987: 157 (crossing, chromosomes); May, 1987: 886 (neuroblast chromosomes); Baimai, 1988a: 13 (heterochromatin, evolution, distribution); Baimai, 1988b: 667 (population cytogenetics); Baimai et al ., 1988d: 372 (polytene chromosomes); Yasothornsrikul et al ., 1988: 703 (RFLP); Damrongphol & Baimai, 1989: 563 (egg morphology); Peyton, 1990: 197 (taxonomy); Sawadipanich et al ., 1990: 477 (cytogenetics, crossing, evolution); Green et al ., 1992: 29 (enzyme electromorphs); Audtho et al ., 1995: 107 (DNA hybridization); Poopittayasataporn & Baimai, 1995: 426 (polytene chromosomes, phylogeny); Walton et al ., 1999: 24 (ASA PCR species identification); Walton et al ., 2000: 962 (mtDNA genetic structure); Walton et al ., 2001: 569 (population genetics, microsatellites); Huong et al ., 2001: 615 (PCR species identification); Manguin et al ., 2002: 46 (SCAR markers, multiplex PCR).…”

mentioning

confidence: 99%

“…Several crossing, chromosomal and RFLP studies confirmed the species status of An. scanloni (Baimai et al ., 1984, 1987, 1988d; May, 1987; Baimai, 1988a, 1988b; Yasothornsrikul et al ., 1988; Sawadipanich et al ., 1990; Audtho et al ., 1995; Poopittayasataporn & Baimai, 1995). Scanning electron micrographs of the eggs of An.…”

mentioning

confidence: 99%

Six new species of the Anopheles leucosphyrus group, reinterpretation of An. elegans and vector implications

Sallum

Peyton

Wilkerson

2005

Medical Vet Entomology

109

107

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Among Oriental anopheline mosquitoes (Diptera: Culicidae), several major vectors of forest malaria belong to the group of Anopheles (Cellia) leucosphyrus Dönitz. We have morphologically examined representative material (> 8000 specimens from seven countries) for taxonomic revision of the Leucosphyrus Group. Six new species are here described from adult, pupal and larval stages (with illustrations of immature stages) and formally named as follows: An. latens n. sp. (= An. leucosphyrus species A of Baimai et al., 1988b), An. cracens n. sp., An. scanloni n. sp., An. baimaii n. sp. (formerly An. dirus species B, C, D, respectively), An. mirans n. sp. and An. recens n. sp. Additionally, An. elegans (James) is redescribed and placed in the complex of An. dirus Peyton & Harrison (comprising An. baimaii, An. cracens, An. dirus, An. elegans, An. nemophilous Peyton and Ramalingam, An. scanloni and An. takasagoensis Morishita) of the Leucosphyrus Subgroup, together with An. baisasi Colless and the An. leucosphyrus complex (comprising An. balabacensis Baisas, An. introlatus Baisas, An. latens and An. leucosphyrus). Hence, the former Elegans Subgroup is renamed the Hackeri Subgroup (comprising An. hackeri Edwards, An. pujutensis Colless, An. recens and An. sulawesi Waktoedi). Distribution data and bionomics of the newly defined species are given, based on new material and published records, with discussion of morphological characters for species distinction and implications for ecology and vector roles of such species. Now these and other members of the Leucosphyrus Group are identifiable, it should be possible to clarify the medical importance and distribution of each species. Those already regarded as vectors of human malaria are: An. baimaii[Bangladesh, China (Yunnan), India (Andamans, Assam, Meghalaya, West Bengal), Myanmar, Thailand]; An. latens[Borneo (where it also transmits Bancroftian filariasis), peninsular Malaysia, Thailand]; probably An. cracens (Sumatra, peninsular Malaysia, Thailand); presumably An. scanloni (Thailand); perhaps An. elegans (the Western Ghat form of An. dirus, restricted to peninsular India); but apparently not An. recens (Sumatra) nor An. mirans[Sri Lanka and south-west India (Karnataka, Kerala, Tamil Nadu)], which is a natural vector of simian malarias. Together with typical An. balabacensis, An. dirus and An. leucosphyrus, therefore, the Leucosphyrus Group includes about seven important vectors of forest malaria, plus at least a dozen species of no known medical importance, with differential specific distributions collectively spanning > 5000 km from India to the Philippines.

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Karyological identification of two taxa of the Anopheles balabacensis complex from Burma

Cited by 5 publications

References 3 publications

The Anopheles dirus complex: spatial distribution and environmental drivers

The Anopheles dirus complex: spatial distribution and environmental drivers

Revision of the Leucosphyrus group of Anopheles (Cellia) (Diptera, Culicidae)

Six new species of the Anopheles leucosphyrus group, reinterpretation of An. elegans and vector implications

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