A5057068555- Vector-Borne Animal Diseases
- Animal Disease Management and Epidemiology
- Viral Infections and Vectors
- Viral gastroenteritis research and epidemiology
- Plant and animal studies
- Agriculture and Farm Safety
- Research on scale insects
- Livestock and Poultry Management
- Insect-Plant Interactions and Control
- Insect Pest Control Strategies
- Phytoplasmas and Hemiptera pathogens
- Insect and Arachnid Ecology and Behavior
- Hemiptera Insect Studies
- Insect and Pesticide Research
- Insect symbiosis and bacterial influences
- Hymenoptera taxonomy and phylogeny
- Insect Resistance and Genetics
- T-cell and Retrovirus Studies
- Plant Virus Research Studies
- Insect behavior and control techniques
- Lepidoptera: Biology and Taxonomy
- Biological Control of Invasive Species
- Fossil Insects in Amber
- Insects and Parasite Interactions
- Cocoa and Sweet Potato Agronomy
Charles Darwin University
2015-2024
Tata Institute of Fundamental Research
2023
University of Burdwan
2023
Badan Penelitian dan Pengembangan Kesehatan
2023
Hainan University
2023
Republic of Korea Army
2021
Department of Agriculture, Fisheries and Forestry
2012-2016
Northern Minerals (Australia)
2016
The University of Queensland
2014-2015
Government of the Northern Territory
2013-2015
Culicoides spp. biting midges transmit bluetongue virus (BTV), the aetiological agent of (BT), an economically important disease ruminants. In southern India, hyperendemic outbreaks BT exert high cost to subsistence farmers in region, impacting on sheep production. Effective monitoring methods coupled with accurate species identification can accelerate responses for minimising outbreaks. Here, we assessed utility sampling and DNA barcoding detection order provide informed basis future their...
The biting midge fauna of Dongzhaigang Mangrove Forest, Hainan Province, China was sampled on 14 October 2015 using three methods: a pan light trap operated from dusk until dawn the following morning and sweep net human landing collections performed between 16:15–17:15 hr. Eight species, including two new records for China, Culicoides palawanensis C. niphanae, one record Hainan, circumbasalis, were collected. A key to assist with identification specimens these species is provided. DNA...
Biting midges of genus Culicoides (Diptera: Ceratopogonidae) are the vectors several pathogenic arboviruses and parasites humans animals. Several reports have suggested that biting might be a potential vector Leishmania parasites. In this study, we screened for Trypanosoma DNA in collected from near home leishmaniasis patient Lamphun province, northern Thailand by using UV-CDC light traps. The identification midge species was based on morphological characters confirmed Cytochrome C oxidase...
Previous studies investigating long-distance, wind-borne dispersal of Culicoides have utilised outbreaks clinical disease (passive surveillance) to assess the relationship between incursion and event. In this study, species exotic isolates novel bluetongue viruses, collected as part an active arbovirus surveillance program, were used for first time into endemic region.A plausible event was determined five six cases examined. These include specimens which a possible identified within range...
The Schultzei group of Culicoides Latreille (Diptera: Ceratopogonidae) is distributed throughout Africa to northern Asia and Australasia includes several potential vector species livestock pathogens. taxonomy the belonging this confounded by wide geographical distribution morphological variation exhibited many species. In work, molecular approaches were combined assess taxonomic validity variants found in Senegal comparing their genetic diversity with that specimens from other regions. list...
The Immaculatus Group of Culicoides encompassing four species from Australia, New Caledonia, Fiji, Solomon Islands, Guinea and the Malay archipelago is revised. A diagnosis for group, descriptions males females C. shivasi sp. n. collessi n., a description male immaculatus Lee & Reye, redescription female agas Wirth Hubert together with keys their specific determination are pre-sented. Specific separation morphologically similar supported by DNA barcodes (mitochondrial cytochrome oxidase...
The ability to monitor the abundance and diversity of tabanid flies over wide areas requires effective low-cost surveillance methods. Such monitoring activities help quantify risk transmission pathogens by tabanids. Here we examine effectiveness practicality two types trap (canopy traps Nzi traps) attractant (octenol carbon dioxide) for in tropical Australia. consistently caught more tabanids species than canopy trap. It was also robust therefore required less maintenance remote locations....
The monophyly of the Imicola complex, a natural species complex within subgenus C. subgen. Avaritia Fox biting midge genus Culicoides Latreille, is supported using morphological and molecular analyses. A diagnosis for group along with comparative redescriptions male female represented in Australasia, brevitarsis Kieffer nudipalpis Delfinado description asiatica Bellis sp. nov., are presented together keys their specific determination support status.
In this study, species boundaries were examined for 15 described and 2 undescribed within the economically important Culicoides subg. Avaritia Fox from Australasia Eastern Asia. We used an integrative taxonomic approach incorporating DNA barcoding, nuclear gene sequencing, retrospective morphological analyses. Some arbovirus vector such as fulvus Sen Das Gupta wadai Kitaoka genetically morphologically uniform across sampled distributions, but others including actoni Smith brevipalpis...
Abstract A study of responses by Culicoides spp. to light traps with light‐emitting diodes (LEDs) confirmed that the livestock virus vector, brevitarsis Kieffer, was preferentially attracted green light. Four species shown previously respond blue exhibited significantly higher ultraviolet (UV) Field trials comparing LEDs incandescent lights in New South Wales, Northern Territory and East Timor superiority for catching C. . The LED also had a significant advantage over wide range species....
Abstract The antennal sensilla of both genders macropterous and brachypterous adults the small brown planthopper, Laodelphax striatellus (Fallén) (Hemiptera: Delphacidae) were examined using light scanning electron microscopy. Scanning microscopy revealed seven types in adult L. which not evenly distributed on all segments. Sensilla chaetica, a sensillum campaniformium Böhm bristle found scape. trichodea, placodea always present as plaque organs, basiconica pedicel. Three one coeloconicum...
Bluetongue virus (BTV) is a major pathogen of ruminants that transmitted by biting midges (Culicoides spp.). Australian BTV serotypes have origins in Asia and are distributed across the continent into two distinct episystems, one north another east. Culicoides brevitarsis vector Australia entire geographic range virus. Here, we describe isolation use DNA microsatellites gauge their ability to determine population genetic connectivity C. within with countries north. Eleven microsatellite...
Bluetongue disease of ruminants is a typical insect-borne caused by bluetongue virus (BTV) the genus Orbivirus (family Reoviridae) and transmitted some species Culicoides (Diptera: Ceratopogonidae). Recently, detection BTV in yaks high altitude meadows Shangri-La district Yunnan Province, China, prompted an investigation fauna as potential vectors BTV.A total 806 midges were collected light trapping at three sites altitudes ranging from 1800 to 3300 m. The identified based on morphology DNA...
Abstract Background Culicoides (Diptera: Ceratopogonidae) are vectors for many arboviruses. At least 20 species considered as or potential of bluetongue virus (BTV) which cause disease in ruminants. A BTV prevalence 30–50% among cattle and goats tropical southern Yunnan Province, China, prompted an investigation the this area. Methods were collected by light trapping at three sites region Province. Species identified based on morphology DNA sequences cytochrome c oxidase subunit 1 ( cox 1)....
Sedoreoviridae is a family of viruses belonging to the order Reovirales and comprises six genera, two which, Orbivirus Seadornavirus, contain arboviruses that cause disease in humans livestock. Areas such as Yunnan Province southwestern China, have high arboviral activity due part warm wet summers, which support populations biting flies mosquitoes Culicoides. Three viral isolates previously obtained from Culicoides collected at cattle farms Shizong County Province, between 2019 2020 were...
A survey of biting midges in animal sheds, mangroves and beaches along the Andaman coastal region southern Thailand between April 2012 May 2013 collected 10 species Culicoides which were not previously known from Thailand. These new records are C. arenicola, flavipunctatus, hui, kinari, kusaiensis, parabubalus, quatei, spiculae, pseudocordiger tamada. An updated checklist reported is provided.
Light trap surveillance across northern Australia and Papua New Guinea (PNG) has detected the presence of several Oriental species Culicoides not previously reported from those countries which appear to have arrived in recent times. Detections C. nudipalpis Delfinado Western Australia, flavipunctatus Kitaoka palpifer Das Gupta Ghosh Northern Territory flavipunctatus, fulvus Sen orientalis Macfie Queensland (Qld) provide evidence multiple pathways for incursions biting midges into Australia....
Abstract An illustrated key to aid in separating adult females of the 64 species C ulicoides reported from N orthern T erritory, W estern A ustralia and S outh ustralia, some important livestock pest not present these regions is presented. The uses characters visible under a stereomicroscope does attempt distinguish those that are separable only on slide‐mounted specimens. C. asiana Bellis proposed as replacement name for asiatica Bellis.
Abstract Background Tibet Orbivirus (TIBOV) is a recently discovered known to infect cattle, Asian buffalo and goats in south-western China. It was first isolated from mosquitoes subsequently biting midges ( Culicoides spp.) Yunnan, China, indicating that it an arbovirus. Little of its potential cause disease, but the economic importance related viruses promoted investigation spp. vectors TIBOV. Methods Biting were collected approximately once per week between May December 2020, at cattle...
Abstract Recent focus on Culicoides species diversity in Thailand was prompted by a need to identify vectors responsible for the transmission of African Horse Sickness that country. To assist rapid genetic identification species, we sampled mitochondrial cytochrome c oxidase subunit I (COI) DNA barcodes (N = 78) from 40 biting midge Thailand, including 17 which were previously unavailable. The assigned 39 Barcode Identification Numbers (BINs) representing terminal clusters at Life Data...
Abstract A series of specimens the Asian citrus psyllid, Diaphorina citri , collected from Northern Territory (NT) in 1915 was recently rediscovered Natural History Museum, London. Surveys were conducted 2002 on suitable hosts locality collections to see if infestation had persisted. These failed detect either D. or bacterium that it transmits and causes huanglongbing disease citrus. It is presumed eradicated fortuitously by removal all plants above latitude 19°S during an eradication...
Abstract Procontarinia pustulata sp. n. is described from northern Australia and Papua New Guinea. Larvae feed on mango Mangifera indica causing blister‐like galls leaves. The new species pupates in the soil. genus Kieffer & Cecconi contains 15 named several unnamed species, all of which mango, with being pests cultivated worldwide. differs its congeners morphology gall anatomy as well DNA sequence COI. A simple technique presented for rearing soil‐pupating midges tropical region.