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Volume 66 (2015)
- Issue 4 Pages 143-
- Issue 3 Pages 91-
- Issue 2 Pages 23-
- Issue 1 Pages 1-
Volume 66, Issue 4
Displaying 1-6 of 6 articles from this issue
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Review
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Hiroyuki TAKAOKAArticle type: Review
2015 Volume 66 Issue 4 Pages 143-165
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSStudies on black flies (Diptera: Simuliidae) in the Oriental Region are reviewed. The history of taxonomic studies is briefly traced; revision of supraspecific taxa (genera, subgenera and species groups) is outlined; faunal characteristics such as poverty in suprageneric taxa, richness in species number and high diversity in phylogenetic lineages (in terms of the number of the subgenera and species groups) are highlighted; changes of the number of filaments and extent of inflation of the pupal gills from plesiomorphic to apomorphic character states are speculated in relation to speciation in certain lineages; and several novel morphological characters are illustrated; diverse geographical distribution patterns in phylogenetic lineages are categorized; and three black fly species are noted for their natural infections with zoonotic filariae in Thailand. Finally, current taxonomic problems are discussed.View full abstractDownload PDF (2990K)
Original Article
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Hiromu KURAHASHI, Susumu KAKINUMAArticle type: Original Article
2015 Volume 66 Issue 4 Pages 167-200
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSA new genus and species of the Japanese Sarcophagidae, Papesarcophaga kisarazuensis gen. & sp. nov. is described and illustrated from Honshu, Japan. Practical keys to the Japanese 43 genera and 122 species are provided including this new species. A check list and data of specimens examined are also provided.View full abstractDownload PDF (2243K)
Note
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Tsutomu TANIKAWA, Jun SASAO, Shotaro FUJIMATSU, Takuya OGASAWARAArticle type: Note
2015 Volume 66 Issue 4 Pages 201-202
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSWe investigated commensal rodents in an evacuation zone two years after a nuclear power plant accident in 2011 in Fukushima Prefecture. We found infestation of roof rats Rattus rattus, but also few rat signs in structures with crevices where enough rice remained.View full abstractDownload PDF (1329K)
Special Issue: Autochthonous dengue outbreak in Japan after a blank of approximately 70 years
Mini Reviews
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Kyoko SAWABEArticle type: Mini Review
2015 Volume 66 Issue 4 Pages 203-205
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSA total of 162 autochthonous dengue cases were reported in Japan in 2014, after the absence of any such cases for approximately 70 years. During this period of dengue outbreak, vector control using an insecticide was performed for Aedes albopictus at almost all areas where dengue virus transmission was suspected.
On March 28, 2015, an urgent symposium and public lecture was held in the 67th annual meeting of the Japan Society of Medical Entomology and Zoology by Professor Shigeto Yoshida, the President/Chairperson. Three scientists agreed to give a presentation in this meeting, which was titled “Autochthonous dengue outbreak in Japan after a blank of 70 years and the future prediction of such cases”. Here their topics are published in this Journal, as part of a special issue. To ensure that an outbreak of dengue fever which will inevitably occur in Japan in the near future is better managed, it is important to understand the conditions underlying the autochthonous dengue outbreak in Japan in 2014. This program will provide a considerable amount of valuable information to all members of the Medical Entomology and Zoology.View full abstractDownload PDF (269K) -
Satoshi KUTSUNA, Yasuyuki KATO, Norio OHMAGARIArticle type: Mini Review
2015 Volume 66 Issue 4 Pages 207-209
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSAutochthonous dengue fever was recently reported in Japan for the first time in about 70 years. We report autochthonous dengue fever in 19 patients who presented to the National Center for Global Health and Medicine in Tokyo, Japan during August 26, 2014–September 22, 2014. Fifteen of these patients had recently visited Yoyogi Park, Shibuya-ku, Tokyo, and the remaining 4 patients had visited other public places in Tokyo. The dengue virus genome was detected from the serum of 18 patients, and the serotype in all was dengue virus serotype-1 (DENV-1). Phylogenetic analysis of the DENV E-protein genome sequence obtained from the serum sample of 3 patients revealed that these sequences had 100% identity to the sequence of a DENV strain of the first diagnosed case in Japan. The DENV-1 strain possessed a high degree of homology with the sequence of a DENV strain isolated from China in 2013 and Indonesia in 2010.View full abstractDownload PDF (1266K)
Original Article
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Yoshio TSUDAArticle type: Original Article
2015 Volume 66 Issue 4 Pages 211-217
Published: December 25, 2015
Released on J-STAGE: June 25, 2016
JOURNAL FREE ACCESSThis paper evaluated the risk or probability that Aedes albopictus infect a human with dengue virus based on the results of human bait-sweep net collection of Ae. albopictus in Yoyogi area during the dengue outbreak in September 2014. The risk of dengue infection was defined by using the formula describing the probability of collecting at least one infected mosquito in a sample of N mosquitoes (Gu and Novak, 2004). The risk of dengue infection at 87 different collection sites in Yoyogi area varied between 0 and 0.92, and was <0.10 at 43 collection sites. The effects of vector density reduction on the risk of dengue infection was simulated. When vector density was reduced by 50%, 75% and 90%, the risk of dengue infection decreased from 0.15 to 0.08, 0.05 and 0.02 in average, respectively. Results of vector control conducted at a shrine, four parks, one public facility and two residential area during the dengue outbreak in 2014 were summarized and the density reduction rates of 64% to 100% was observed after the insecticide spray. The risk of dengue infection before the insecticide spray varied between 0.09 and 0.63, and became low between 0 and 0.11 after the insecticide spray.View full abstractDownload PDF (587K)
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