Medical Entomology and Zoology

Review of the flies (Diptera) associated with animal dung and human feces in Japan

Mitsuhiro IWASA

Article type: Article
2007 Volume 58 Issue 3 Pages 155-166
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.155

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Dipterous flies of Brachycera and Cyclorrhapha associated with animal dung and human feces in Japan are reviewed. This paper describes a total of 128 species belonging to 13 families of bred in or attracted to the dung of cows, horses, pigs, chickens, dogs, wild brown bears, and human feces. Information concerning faunal compositions, dung preferences, and larval food habits is provided for each family and species.

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A new mosquito of the genus Topomyia (Diptera, Culicidae) from a Nepenthes pitcher plant in a Bario highland of Sarawak, Malaysia

Ichiro MIYAGI, Takako TOMA

Article type: Article
2007 Volume 58 Issue 3 Pages 167-174
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.167

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A new species, Topomyia (Suaymyia) nepenthicola, is described from a Bario highland in Sarawak, Malaysia. The adult male and female, pupa and larva are described in detail and illustrations of the male genitalia, pupa and larva are provided. The larva of To. nepenthicola breeds in the pitcher plant, Nepenthes stenophylla. It has conspicuous maxilla.

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Long-term effects of improved flooring and bedding for reducing mite allergen levels in bronchial asthmatic children

Mitsugu MOTOKI, Tetsuya TAKAMASU, Akihiko UCHIDA

Article type: Article
2007 Volume 58 Issue 3 Pages 175-181
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.175

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To reduce the symptoms of allergic diseases such as bronchial asthma that are caused by mite allergens, we attempted to reduce the volume of mite allergens in houses over a long term by replacing the flooring and bedding. Cork flooring was substituted for tatami mats (traditional Japanese straw mats), and mite-allergen-free bed linen sets were substituted for the children's bedding. A four-year followup survey was conducted on mite allergens in the patients' houses and on clinical findings such as the value of peak respiratory flow and the number of eosinophils in the peripheral blood of the children before and after the changes in flooring and bedding. Mite allergens remained below the sensitization risk level of less than 2μg/g of fine dust recommended by The World Health Organization (WHO) over a four-year period encompassing most of the study term. The anti-mite treatments used on the floors and bedding were confirmed to be effective for reducing allergens and decreasing the symptoms of bronchial asthma.

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Prediction of the emergence period for overwintering chironomid larvae (Diptera: Chironomidae) at the lower reaches of the Kiso River, Central Japan

Eiso INOUE, Goro KIMURA, Masahiro ISHITANI, Mamoru HOSOI, Kimio HIRABA ...

Article type: Article
2007 Volume 58 Issue 3 Pages 183-190
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.183

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Species composition and period of emergence were investigated for overwintering Chironomidae at the lower reaches of the Kiso River by rearing larvae to obtain fundamental information for drafting a plan to prevent outbreaks of nuisance midges. Adults of 9 species emerged from the substrate samples in February 2006. The four most abundant species, Stictochironomus akizukii, Hydrobaenus kondoi, Tanytarsus takahashii and Einfeldia dissidens, occupied 88.0% of the total abundance. Using effective accumulative temperature for emergence and in situ water temperatures, the in situ emergence periods of the overwintering generation in 2006 were predicted as until early March for H. kondoi, from the end of March to early May for S. akizukii and T. takahashii, and late April to mid-June for E. dissidens.

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Results of mosquito collection from international aircrafts arriving at Narita International Airport, Japan and mosquito surveillance at the airport

Michio HASEYAMA, Shinji IIZUKA, Hiroshi OMAE, Yoshio TSUDA

Article type: Article
2007 Volume 58 Issue 3 Pages 191-197
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.191

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Aircrafts arriving at Narita International Airport, Japan were inspected for mosquito vectors of human diseases accidentally introduced into the country. During 5 years from 2001 to 2005 a total of 2, 161 aircrafts were inspected and 28 adult mosquitoes were found from 26 (1.2%) of the aircrafts. Thirteen aircrafts with mosquitoes came from North and South America, 12 aircrafts from Asia and Oceania, and one aircraft from Europe. The mosquito species found in the aircrafts were Culex pipiens complex, Anopheles sinensis, Aedes vexans nipponii, Cx. tritaeniorhynchus. Mosquito species occurring at the government ordinance area of Narita International Airport were examined by dipping collection of larvae, ovitraps, light traps, and dry ice traps, and identified into 12 taxa belonging to 8 genera. In the terminal building of Narita International Airport, adults Cx. pipiens complex were collected year round suggesting the establishment of foreign vector mosquitoes accidentally introduced from tropical/subtropical areas through aircrafts. All of 15, 231 adult mosquitoes examined were negative for 5 mosquito-borne diseases ; yellow fever, dengue fever, Japanese encephalitis, West Nile fever, and malaria.

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Mite numbers and allergens in house dust from school environments in Kanagawa Prefecture

Mitsuho YANO, Tomoyuki HASHIMOTO, Atsuhiko MUTO, Akira ISHII

Article type: Article
2007 Volume 58 Issue 3 Pages 199-205
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.199

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Prevalence of house dust mites and allergens was evaluated in ten kindergartens/elementary schools in Kanagawa Prefecture during school suspension periods in March and August, 2006. The mites on the surface of the infirmary bedding and classroom carpet (50cm×50cm) were captured with an adhesive lint roller. Thereafter the numbers of mites on the adhesive papers were counted under a stereomicroscope. House dust was also collected with a vacuum cleaner, and the quantities of house dust mite allergens (Der f1/Der p1/Der 2) measured by ELISA. Mean numbers of mites obtained from bedding-March and August, carpet-March and August were 23, 97, 13, 173/m^2, respectively. Mean allergen quantities of Der 1 were 933, 3, 168, 1, 900, 3, 457ng/m^2, and Der 2 were 65, 208, 118, 284 ng/m2. The quantities of Der f1 were much higher than Der p1 in the total Der 1. Consequently, 100 house dust mites (Dermatophagoides spp.) per square meter were equivalent to 3, 700 and 1, 800ng (Der 1)/m^2 for bedding and carpet.

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Two new and one newly recorded species of Simulium (Diptera : Simuliidae) from Palawan Island, the Philippines

Hiroyuki TAKAOKA, Victor F. TENEDERO

Article type: Article
2007 Volume 58 Issue 3 Pages 207-228
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.207

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Twelve species of black flies including two new and one newly recorded species were collected from Palawan Island, the Philippines. Simulium (Gomphostilbia) babuyanense sp. nov. and S. (G.) bataksense sp. nov. are described from one male and one female each reared from the pupa, respectively. The male of S. (G.) mangasepi Takaoka and the female of S. (S.) latistylum Takaoka are described for the first time. Simulium (Wallacellum) tuyense Takaoka is recorded for the first time from Palawan Island.

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A new species of Simulium (Hellichiella) from Kyoto, Japan (Diptera: Simuliidae)

Hiroyuki TAKAOKA, Yasushi OTSUKA, Masako FUKUDA

Article type: Article
2007 Volume 58 Issue 3 Pages 229-237
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.229

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Simulium (Hellichiella) chiharuae sp. nov. is described on the basis of adults, pupae and mature larvae collected in Himuro, Kyoto, Japan. This is the first species of the subgenus Hellichiella recorded from Japan. This new species is distinguished from other members of this subgenus by the pupal gill with three slender filaments per side.

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[title in Japanese]

Article type: Bibliography
2007 Volume 58 Issue 3 Pages 239-240
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.239

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[title in Japanese]

Article type: Appendix
2007 Volume 58 Issue 3 Pages 241-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.241

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[title in Japanese]

Article type: Appendix
2007 Volume 58 Issue 3 Pages 242-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.242

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Hazardous situation in mosquito-borne diseases in Japan : Present state and the future issue(Proceedings of the 1st Regular Meeting of Western Region)

M. Kobayashi

Article type: Article
2007 Volume 58 Issue 3 Pages 243-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.243

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West Nile fever : Possible invasion into Japan and Japanese mosquitoes as candidate vectors(Proceedings of the 1st Regular Meeting of Western Region)

C. Imai

Article type: Article
2007 Volume 58 Issue 3 Pages 244-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.244

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Japanese encephalitis : Epidemic fear in Japan and tendency to increase in the vector mosquitoes(Proceedings of the 1st Regular Meeting of Western Region)

K. Kamimura

Article type: Article
2007 Volume 58 Issue 3 Pages 245-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.245

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Existence of Japanese encephalitis virus in nature and efficacy of vaccine(Proceedings of the 1st Regular Meeting of Western Region)

T. Konishi

Article type: Article
2007 Volume 58 Issue 3 Pages 246-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.246

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Japanese encephalitis vaccine : Problems of vaccination(Proceedings of the 1st Regular Meeting of Western Region)

Y. Okuno

Article type: Article
2007 Volume 58 Issue 3 Pages 247-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.247

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[title in Japanese]

[in Japanese]

Article type: Article
2007 Volume 58 Issue 3 Pages 248-
Published: September 15, 2007
Released on J-STAGE: August 06, 2016

DOIhttps://doi.org/10.7601/mez.58.248

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