Displaying publications 1 - 20 of 23 in total

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  1. Siphonaptera, a short review
    Brooke GE
    Malaya Medical Journal, 1912;10:19-32.
    Matched MeSH terms: Siphonaptera
  2. [A redescription of Macrostylophora borneensis (Jordan, 1926) (Siphonaptera-Ceratophyllidae-Ceratophyllinae), a flea of the Malaysian sub-region and description of an allied species]
    Beaucournu JC, Wells K
    Parasite, 2005 Dec;12(4):293-8.
    PMID: 16402560
    This note redescribes M. borneensis and describes M. traubi n. sp. based on the known specimens from the two sampling localities (holotype from Mount Murud and further recorded from Mount Kinabalu by Traub). The clearly allied, but clearly distinct species for the two localities, were recorded.
    Matched MeSH terms: Siphonaptera/anatomy & histology*; Siphonaptera/classification*
  3. New species of the fleas Farhangia and Nestivalius, from endemic rodents in Sulawesi, Indonesia
    Mardon DK, Durden LA
    Med Vet Entomol, 2003 Mar;17(1):75-86.
    PMID: 12680929 DOI: 10.1046/j.1365-2915.2003.00410.x
    The fleas (Siphonaptera: Pygiopsyllidae) Farhangia quattuordecimdentata sp. n. and Farhangia sedecimdentata sp. n. are described from pygmy squirrels (Prosciurillus spp.), and Nestivalius sulawesiensis sp. n. from murine rodents, all from Sulawesi, Indonesia. Both new species of Farhangia were collected in Central Sulawesi (Sulawesi Tengah); F. quattuordecimdentata sp. n. was recovered mainly from P. murinus, whereas F. sedecimdentata sp. n. was recovered mainly from P. leucomus. These new species are compared with the two previously described species of Farhangia: F. celebensis (Ewing) from P. murinus in North Sulawesi (Sulawesi Utara) and F. sciuri (Ewing) from the tree squirrel Callosciurus prevosti in Sabah (Borneo). Nestivalius sulawesiensis sp. n. was collected from six species of endemic murine rodents in both North and Central Sulawesi. It is compared to the morphologically similar N. pomerantzi (Traub) from Mindanao, which parasitizes murine hosts that are endemic to the Philippines.
    Matched MeSH terms: Siphonaptera/anatomy & histology*; Siphonaptera/classification*
  4. Fulltext Understanding the Quorum-Sensing Bacterium Pantoea stewartii Strain M009 with Whole-Genome Sequencing Analysis
    Tan WS, Chang CY, Yin WF, Chan KG
    Genome Announc, 2015;3(1).
    PMID: 25635007 DOI: 10.1128/genomeA.01509-14
    Pantoea stewartii is known to be the causative agent of Stewart's wilt, which usually affects sweet corn (Zea mays) with the corn flea beetle as the transmission vector. In this work, we present the whole-genome sequence of Pantoea stewartii strain M009, isolated from a Malaysian tropical rainforest waterfall.
    Matched MeSH terms: Siphonaptera
  5. Bubonic plague, rats and fleas in Singapore
    Gilmour CCB
    Malayan Medical Journal, 1934;9:177-81.
    Matched MeSH terms: Siphonaptera
  6. [Macrostyophora durdeni n. sp. A new plea from Sabah (Borneo) and sympatric species (Siphonaptera: Ceratophyllidae, Pygiopsyllidae)]
    Beaucournu JC, Wells K
    Parasite, 2009 Dec;16(4):283-7.
    PMID: 20092059
    We report on fleas collected from small mammals in a lower mountane rainforest in the Crocker Range National Park, Sabah, Borneo. Macrostylophora durdeni n. sp., collected from Dremomys everetti and, of minor importance, Tupaia montana, is described. Further records include Gryphopsylla jacobsoni segragata and Lentistivalius vomerus from T. montana.
    Matched MeSH terms: Siphonaptera*
  7. Fulltext Notes on some ectoparasites received by the Medical Entomology Unit, Institute for Medical Research
    Lee HL, Krishnasamy M, Jeffery J, Paramasvaran S
    Trop Biomed, 2006 Jun;23(1):131-2.
    PMID: 17041562 MyJurnal
    There were a spate of recent complaints of insect bites and the entomological specimens received from various sources were identified to be those of cat flea (Ctenocephalides felis) and rat flea (Xenopsylla cheopis), the tropical bed-bug (Cimex hemipterus) and the dog louse (Heterodoxus spiniger). Only the fleas and the bed-bug are known to attack humans.
    Matched MeSH terms: Siphonaptera*
  8. Host specificity and niche partitioning in flea-small mammal networks in Bornean rainforests
    Wells K, Lakim MB, Beaucournu JC
    Med Vet Entomol, 2011 Sep;25(3):311-9.
    PMID: 21219372 DOI: 10.1111/j.1365-2915.2010.00940.x
    The diversity of ectoparasites in Southeast Asia and flea-host associations remain largely understudied. We explore specialization and interaction patterns of fleas infesting non-volant small mammals in Bornean rainforests, using material from a field survey carried out in two montane localities in northwestern Borneo (Sabah, Malaysia) and from a literature database of all available interactions in both lowland and montane forests. A total of 234 flea individuals collected during our field survey resulted in an interaction network of eight flea species on seven live-captured small mammal species. The interaction network from all compiled studies currently includes 15 flea species and 16 small mammal species. Host specificity and niche partitioning of fleas infesting diurnal treeshrews and squirrels were low, with little difference in specialization among taxa, but host specificity in lowland forests was found to be higher than in montane forests. By contrast, Sigmactenus alticola (Siphonaptera: Leptopsyllidae) exhibited low host specificity by infesting various montane and lowland nocturnal rats. However, this species exhibited low niche partitioning as it was the only commonly recorded flea from rats on Borneo. Overall complementary specialization was of intermediate intensity for both networks and differed significantly from random association; this has important implications for specific interactions that are also relevant to the potential spread of vector-borne diseases.
    Matched MeSH terms: Siphonaptera/physiology*
  9. [Three new species of the genus Medwayella Traub, 1972 (Insecta: Siphonaptera: Pygiopsyllidae) from Sabah (eastern Malaysia, Borneo)]
    Beaucournu JC, Wells K
    Parasite, 2004 Dec;11(4):373-7.
    PMID: 15638138
    Medwayella traubiana n. sp., M. pfeifferi n. sp. and M. sabahae n. sp. (Pygiopsyllidae) are described from Sabah (north of Borneo island), the first two on Tupaia tana (Scandentia), the last on Sundasciurus lowii (Rodentia). Sex male is only identified, because these fleas have been collected in sympatry, or even in syntopy. Their determination is based on segment IX and aedeagus. If M. traubiana and M. pfeifferi are related to some known species, M. sabahae is clearly distinct from other Medwayella.
    Matched MeSH terms: Siphonaptera/anatomy & histology*; Siphonaptera/classification*
  10. Fulltext The flea genus Sigmactenus (Siphonaptera: Leptopsyllidae): three new taxa from Sulawesi, updated identification key, and distribution map for all known species and subspecies
    Durden LA, Beaucournu JC
    Parasite, 2000 Sep;7(3):151-65.
    PMID: 11031750 DOI: 10.1051/parasite/2000073151
    One new species and two new subspecies of fleas are described. These are S. sulawesiensis n. sp. from North and Central Sulawesi, S. alticola pilosus n. ssp. from Central Sulawesi, and S. alticola crassinavis n. ssp. from North Sulawesi. All three of these new taxa are ectoparasites of native, endemic murine rodents. Two of the new taxa, S. sulawesiensis and S. alticola crassinavis, coexist on the same mountain, Gunung Moajat, in North Sulawesi. The related S. alticola alticola, which becomes the nominate subspecies, parasitises the murine rodent Maxomys alticola in northern Borneo (Sabah) and it is hypothesized that Sigmactenus first colonized Sulawesi as an ectoparasite of ancestral Maxomys, or perhaps Rattus, as these murines dispersed from southeast Asia to Sulawesi; 15 endemic murine rodent species belonging to these two genera are known to currently inhabit Sulawesi. An identification key and distribution map are included for all known species and subspecies of Sigmactenus. In addition to the three new taxa and S. a. alticola, these include: S. celebensis from South Sulawesi, S. timorensis from Timor, S. toxopeusi from New Guinea, and S. werneri from the Philippines (Mindanao and Negros).
    Matched MeSH terms: Siphonaptera/anatomy & histology; Siphonaptera/classification*
  11. Fulltext Three new fleas from Sulawesi, Indonesia (Siphonaptera: Pygiopsyllidae & Ceratophyllidae)
    Durden LA, Beaucournu JC
    Parasite, 2006 Sep;13(3):215-26.
    PMID: 17007213 DOI: 10.1051/parasite/2006133215
    Gryphopsylla maxomydis n. sp. (Pygiopsyllidae), Medwayella rubrisciurae n. sp. (Pygiopsyllidae) and Macrostylophora theresae n. sp. (Ceratophyllidae) are described from endemic rodents in Sulawesi. Gryphopsylla maxomydis was collected from the murids Maxomys musschenbroekii and Paruromys dominator in Central Sulawesi (Sulawesi Tengah). However, M. musschenbroekii appears to be the true host of this flea because it has spiny pelage and G. maxomydis shows morphological adaptations for parasitizing spiny hosts including a remarkable "beak-like" structure on the head. This adatation is similar to a beak-like structure on the head of Gryphopsyllo hopkinsi (Traub) which parasitizes the spiny murid Maxomys whiteheadi in Borneo (Sabah). Medwayella rubrisciurae was collected from the large tree squirrel Rubrisciurus rubriventer in Central Sulawesi and this represents the first report of this flea genus in Sulawesi. Macrostylophora theresce was recorded from the murids Bunomys fratrorum, P. dominator and Rattus xanthurus in North Sulawesi (Sulawesi Utara); most other members of this flea genus parasitize squirrels in the Oriental and Palaearctic zoogeographical regions.
    Matched MeSH terms: Siphonaptera/anatomy & histology*; Siphonaptera/classification*
  12. Metazoan parasites of dogs in Sabah, Malaysia
    MacAdam I, Gudan D, Timbs DV, Urquhart HR, Sewell MM
    Trop Anim Health Prod, 1984 Feb;16(1):34-8.
    PMID: 6730003
    The parasites which occurred most frequently in 175 owned or stray dogs in Sabah were Ancylostoma spp. present in 68% of the animals. Dirofilaria immitis occurred in 70% of the adult dogs but neither D. immitis nor Spirocerca lupi were present in puppies under four months of age. The latter attained a prevalence of 30% in the adults. In contrast Toxocara canis occurred in 81% of the puppies but infrequently in older dogs. Dipylidium caninum was moderately prevalent (15 to 25%) in dogs of all ages. Ticks were the most common arthropod parasite being present on 26% of the dogs and were mainly Rhipicephalus sanguineus. Demodectic and sarcoptic mange were confirmed and fleas and lice were also recovered.
    Matched MeSH terms: Siphonaptera
  13. Fulltext New record of a phoretic flea associated with earwigs (Dermaptera, Arixeniidae) and a redescription of the bat flea Lagaropsylla signata (Siphonaptera, Ischnopsyllidae)
    Hastriter MW, Miller KB, Svenson GJ, Martin GJ, Whiting MF
    Zookeys, 2017.
    PMID: 28331409 DOI: 10.3897/zookeys.657.11095
    Lagaropsylla signata (Wahlgren, 1903), previously known only from the Island of Java, Indonesia is redescribed and reported for the first time in Deer Cave, Gunung Mulu National Park, Sarawak, Malaysia (west coast of Borneo). Many were found clinging to the earwig Arixenia esau Jordan, 1909. A similar account of a phoretic flea (Lagaropsylla turba Smit, 1958) on the same species of cave-dwelling earwig has been reported in peninsular Malaysia in a well-documented association with the hairless naked bulldog bat, Cheiromeles torquatus Horsfield, 1824. The association of Lagaropsylla signata with Arixenia esau is parallel to the evolution and co-existence with bats in Deer Cave just as in the case of Lagaropsylla turba, Arixenia esau, and Cheiromeles torquatus. The evidence suggests that Lagaropsylla turba and Lagaropsylla signata are obligate phoretic parasites whose survival depends on Arixenia esau to access a bat host. Arixenia esau is reported for the first time in Deer Cave and the occurrence of Lagaropsylla signata on the island of Borneo represented a new record, previously being found only on the island of Java. Images of Lagaropsylla signata attached to Arixenia esau are provided. Xeniaria jacobsoni (Burr, 1912), often associated with Arixenia esau in other geographical areas, was not present in the material examined from Deer Cave. The natural history of the earwig genera Arixenia Jordan, 1909 and Xeniaria Maa, 1974 are discussed and summarized relative to their associations with phoretic fleas and their bat hosts.
    Matched MeSH terms: Siphonaptera
  14. Fulltext A new species of Clavicornaltica (Coleoptera: Chrysomelidae), discovered and described on a field course to Kuala Belalong, Brunei
    Schilthuizen M, Berenyi AEA, Limin A, Brahim A, Cicuzza D, Eales AJ, et al.
    Biodivers Data J, 2019.
    PMID: 30740026 DOI: 10.3897/BDJ.7.e32555
    Background: Clavicornaltica is a genus of very small flea beetles living in the leaf litter layer of Asian forests, easily sampled with Winkler extraction. The genus is presumably very rich in species, but their taxonomy is hampered by their small size and morphological uniformity.

    New information: On a 'taxon expedition'-style field course at Kuala Belalong Field Studies Centre in Brunei Darussalam (Borneo), a new species, Clavicornaltica belalongensis n. sp., was discovered and taxonomically treated by the course participants. We also present the first DNA barcodes for the genus.

    Matched MeSH terms: Siphonaptera
  15. Ectoparasite infestation patterns of domestic dogs in suburban and rural areas in Borneo
    Wells K, Beaucournu JC, Durden LA, Petney TN, Lakim MB, O'Hara RB
    Parasitol Res, 2012 Aug;111(2):909-19.
    PMID: 22526293 DOI: 10.1007/s00436-012-2917-7
    Domestic dogs, Canis lupus, have been one of the longest companions of humans and have introduced their own menagerie of parasites and pathogens into this relationship. Here, we investigate the parasitic load of 212 domestic dogs with fleas (Siphonaptera) chewing lice (Phthiraptera), and ticks (Acarina) along a gradient from rural areas with near-natural forest cover to suburban areas in Northern Borneo (Sabah, Malaysia). We used a spatially-explicit hierarchical Bayesian model that allowed us to impute missing data and to consider spatial structure in modelling dog infestation probability and parasite density. We collected a total of 1,968 fleas of two species, Ctenocephalides orientis and Ctenocephalides felis felis, from 195 dogs (prevalence, 92 %). Flea density was higher on dogs residing in houses made of bamboo or corrugated metal (increase of 40 % from the average) compared to timber or stone/compound houses. Host-dependent and landscape-level environmental variables and spatial structure only had a weak explanatory power. We found adults of the invasive chewing louse Heterodoxus spiniger on 42 dogs (20 %). The effect of housing conditions was opposite to those for fleas; lice were only found on dogs residing in stone or timber houses. We found ticks of the species Rhipicephalus sanguineus as well as Haemaphysalis bispinosa gp., Haemaphysalis cornigera, Haemaphysalis koenigsbergi, and Haemaphysalis semermis on 36 dogs (17 %). The most common tick species was R. sanguineus, recorded from 23 dogs. Tick infestations were highest on dogs using both plantation and forest areas (282 % increase in overall tick density of dogs using all habitat types). The infestation probability of dogs with lice and ticks decreased with elevation, most infestations occurred below 800 m above sea level. However, the density of lice and ticks revealed no spatial structure; infestation probability of dogs with these two groups revealed considerable autocorrelation. Our study shows that environmental conditions on the house level appeared to be more influential on flea and lice density whereas tick density was also influenced by habitat use. Infestation of dogs with Haemaphysalis ticks identified an important link between dogs and forest wildlife for potential pathogen transmission.
    Matched MeSH terms: Siphonaptera
  16. Pathogens in ectoparasites from free-ranging animals: Infection with Rickettsia asembonensis in ticks, and a potentially new species of Dipylidium in fleas and lice
    Low VL, Prakash BK, Tan TK, Sofian-Azirun M, Anwar FHK, Vinnie-Siow WY, et al.
    Vet Parasitol, 2017 Oct 15;245:102-105.
    PMID: 28969827 DOI: 10.1016/j.vetpar.2017.08.015
    Vector-borne infections are persistent public health threats worldwide. In recent years, a number of mosquito-borne viruses have emerged or re-emerged to cause major disease outbreaks. Other vector-borne pathogens, however, remain understudied and much neglected especially in the developing regions of the world including Southeast Asia. In this study, the brown dog tick Rhipicephalus sanguineus sensu lato, cat louse Felicola subrostratus, and cat fleas Ctenocephalides felis and Ctenocephalides orientis collected from free-ranging cats and dogs in Malaysia were molecularly screened for the presence of Bartonella and Rickettsia bacteria, and Dipylidium tapeworm. Our results showed the presence of Bartonella clarridgeiea, Bartonella henselae (lineage Marseille and lineage Houston-1), and Rickettsia sp. in C. felis. We also detected Rickettsia asembonensis in C. orientis and R. sanguineus s.l. Additionally, this study provides the first documentation on a potentially new species of Dipylidium infecting F. subrostratus and C. felis. Our results highlight the role of ectoparasites from free-ranging animals including cats and dogs, in harboring multiple transmissible pathogens.
    Matched MeSH terms: Siphonaptera/microbiology*
  17. Fulltext Bartonella and Rickettsia in arthropods from the Lao PDR and from Borneo, Malaysia
    Kernif T, Socolovschi C, Wells K, Lakim MB, Inthalad S, Slesak G, et al.
    Comp Immunol Microbiol Infect Dis, 2012 Jan;35(1):51-7.
    PMID: 22153360 DOI: 10.1016/j.cimid.2011.10.003
    Rickettsioses and bartonelloses are arthropod-borne diseases of mammals with widespread geographical distributions. Yet their occurrence in specific regions, their association with different vectors and hosts and the infection rate of arthropod-vectors with these agents remain poorly studied in South-east Asia. We conducted entomological field surveys in the Lao PDR (Laos) and Borneo, Malaysia by surveying fleas, ticks, and lice from domestic dogs and collected additional samples from domestic cows and pigs in Laos. Rickettsia felis was detected by real-time PCR with similar overall flea infection rate in Laos (76.6%, 69/90) and Borneo (74.4%, 268/360). Both of the encountered flea vectors Ctenocephalides orientis and Ctenocephalides felis felis were infected with R. felis. The degrees of similarity of partial gltA and ompA genes with recognized species indicate the rickettsia detected in two Boophilus spp. ticks collected from a cow in Laos may be a new species. Isolation and further characterization will be necessary to specify it as a new species. Bartonella clarridgeiae was detected in 3/90 (3.3%) and 2/360 (0.6%) of examined fleas from Laos and Borneo, respectively. Two fleas collected in Laos and one flea collected in Borneo were co-infected with both R. felis and B. clarridgeiae. Further investigations are needed in order to isolate these agents and to determine their epidemiology and aetiological role in unknown fever in patients from these areas.
    Matched MeSH terms: Siphonaptera/microbiology
  18. Fulltext Cat flea outbreak in Kuching District, Sarawak
    Lau, S.M., Jamail, M., Sarina, S., Bahtiar, R., Asmad, M.
    Malaysian Journal of Public Health Medicine, 2010;10(1):57-61.
    MyJurnal
    Cat fleas were reported to attack human in RPR Batu Kawa, a housing area about 3 km from Kuching town, resulting in an outbreak. A total of 19 people (10 adults and 9 children) were attacked by fleas. They presented with red spots, slightly raised (swollen) and irritation of skin, mostly found on the ankles and legs. The first 4 cases were reported on 29 September 2007 and the last case was on 17 November 2007. The remaining 12 cases which represent the majority of cases reported on 4th October 2007. The study conducted based mainly on field investigation and flea sampling from animals on field at that moment to find out the causes of the disease spread. Flea samples from human and cats were found to be Ctenocephalides felis; which is the most prevalent species in the world. However, no fleas were found on dog, rabbit and rat. This is the first reported case in Kuching; the study was carried out to determine the cause and the epidemiological pattern of the disease. This is important, because cat flea might attack human especially if house owners fail to monitor their pets and practice proper sanitation method to avoid the presence of cat flea larvae at home.
    Matched MeSH terms: Siphonaptera
  19. Murine typhus in a Malaysian village
    Brown GW, Dohany AL, Shirai A, Gan E, Huxsoll DL
    Southeast Asian J. Trop. Med. Public Health, 1977 Mar;8(1):99-103.
    PMID: 560722
    A high prevalence of murine typhus was found in the human and rodent populations of Senaling, West Malaysia. In addition to 2 index cases which prompted the investigation, 45% of the humans and 35% of the rodents had IFA titers of 1/50 or greater. Serological studies provided evidence of recent infections in 3 human subjects. In a control group of Malaysian soldiers IFA titers of 1/50 or greater were found in only 13 (5%) of 265 sera tested.
    Matched MeSH terms: Siphonaptera
  20. A survey of bat ectoparasites in West Malaysia
    Beck AJ
    J Med Entomol, 1971 Jul 30;8(2):147-52.
    PMID: 5157835
    Matched MeSH terms: Siphonaptera
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