Medical Entomology and Zoology
Online ISSN : 2185-5609
Print ISSN : 0424-7086
ISSN-L : 0424-7086
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Volume 41, Issue 2
Displaying 1-13 of 13 articles from this issue
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  • [title in Japanese]
    Article type: Cover
    1990 Volume 41 Issue 2 Pages Cover6-
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.Cover6
    JOURNAL FREE ACCESS
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  • Efficacy of pyrethroid-treated wide-mesh netting in preventing mosquitoes from passing through and biting
    Takaaki ITOH, Goro SHINJO, Takeshi KURIHARA
    Article type: Article
    1990 Volume 41 Issue 2 Pages 77-80
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.77
    JOURNAL FREE ACCESS
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    Wide-mesh netting of 0.5cm mesh size was impregnated with each of five insecticides (permethrin, cyphenothrin, d-phenothrin, esfenvalerate and fenpropathrin) at various concentration ranging from 0.003125 to 0.025%, and the effect of netting on caged Culex pipiens pallens Coquillett was assessed. The mosquitoes were killed on contact with the treated net as they passed through. The mortality of mosquitoes was parallel to the concentration of an insecticide treated. The biting of Anopheles gambiae Giles on a rabbit caged in a net box treated with each of permethrin (0.6%) and fenpropathrin (0.3 and 0.6%) was also assessed. Most of the mosquitoes died before entering the net box, and the few that entered died before biting. Practical use of pyrethroid-treated wide-mesh bed net for preventing mosquito bite was evaluated from these results.
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  • Sarcophagine flies from Malaysia and Singapore with the descriptions of six new species (Diptera, Sarcophagidae)
    Etsuro SUGIYAMA, Satoshi SHINONAGA, Rokuro KANO
    Article type: Article
    1990 Volume 41 Issue 2 Pages 81-91
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.81
    JOURNAL FREE ACCESS
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    Six new sarcophagine flies from Singapore and Malaysia including North Borneo are described. These flies are named Sarcophaga aquila Sugiyama, n. sp., S. brachiata Sugiyama, n. sp., S. curvicercus Sugiyama, n. sp., S. mimobrevicornis Sugiyama, n. sp., S. quinqueramosa Sugiyama, n. sp., and S. robustispinosa Sugiyama, n. sp. Three species from North Borneo, one from Malaya and fourteen from Singapore are newly recorded.
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    Article type: Article
    1990 Volume 41 Issue 2 Pages 92-
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.92
    JOURNAL FREE ACCESS
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  • Two new species and six new records of sarcophagine flies from the Philippines (Diptera, Sarcophagidae)
    Etsuro SUGIYAMA, Satoshi SHINONAGA, Rokuro KANO
    Article type: Article
    1990 Volume 41 Issue 2 Pages 93-97
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.93
    JOURNAL FREE ACCESS
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    Two new sarcophagine flies from the Philippines are described. The flies are named Sarcophaga hirsuta Sugiyama, n. sp. and S. montiblensis Sugiyama, n. sp. Six sarcophagine flies are also newly recorded from the Philippines.
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  • Letters to Editor
    [in Japanese]
    Article type: Article
    1990 Volume 41 Issue 2 Pages 98-
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.98
    JOURNAL FREE ACCESS
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  • Effects of methoprene, a juvenile hormone analogue, on mosquito larvae from the Ryukyu Archipelago, Japan
    Takako TOMA, Satoshi KAMIYAMA, Shunsuke FUJIHARA, Ichiro MIYAGI
    Article type: Article
    1990 Volume 41 Issue 2 Pages 99-103
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.99
    JOURNAL FREE ACCESS
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    Altosid 10F[○!R], a slow-release formulation which contains 10% methoprene, was tested on the larvae and pupae of 8 mosquito species collected from Okinawajima, Japan : Culex quinque-fasciatus Say, Cx. tritaeniorhynchus Giles, Cx. fuscanus Wiedemann, Aedes albopictus (Skuse), Ae. riversi Bohart and Ingram, Ae. daitensis Miyagi and Toma, Ae. iriomotensis Tanaka and Mizusawa, and Armigeres subalbatus (Coquillett). The residual effect of methoprene on Ae. albopictus was tested under 4 different conditions in the laboratory. The IC_<50> value for 1st instar larvae was 0.0017ppm against Ae. iriomotensis, 0.0120ppm against Ae. albopictus, 0.0176ppm against Ae. riversi, 0.0374ppm against Cx. quinquefasciatus, 0.0466ppm against Cx. tritaeniorhynchus, 0.0743ppm against Ae. daitensis, 0.0976ppm against Cx. fuscanus, and 14.9352ppm against Ar. subalbatus. The IC_<50> value for 4th instar larvae was 0.00006ppm against Ae. iriomotensis, 0.0009ppm against Cx. fuscanus and Ae. albopictus, 0.0012ppm against Cx. tritaeniorhynchus, 0.0013ppm against Cx. quinquefasciatus, and 1.2819ppm against Ar. subalbatus. The effectiveness of methoprene against Ae. albopictus persisted for a 7-month period when it was applied to the containers and left in a dry state in the laboratory. When methoprene was applied and left in the aqueous state, the percentage of inhibition of adult emergence was high, 85.5% for a 3-month period, but dropped to 39.5% after a 4-month period. When the containers were subjected to alternating aqueous and dry states, the inhibition of adult emergence was intermediate between the respective dry and aqueous conditions. When a container treated with methoprene was used successively for mosquito rearing, the effect of methoprene decreased within a short period, the inhibition rate being 36.5% after a 1-month period.
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  • Studies on the ecology of blackflies (Diptera : Simuliidae) (16) Fauna of the blackflies in Fukui Prefecture in autumn
    Katsumi SAITO, Akihiro KANAYAMA, Kiichi UEMOTO
    Article type: Article
    1990 Volume 41 Issue 2 Pages 105-110
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.105
    JOURNAL FREE ACCESS
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    The fauna and distribution of blackflies were investigated collecting immature stages of flies from streams in 47 localities in Fukui Prefecture in the autumn of 1987. A total of 2,505 larvae and 989 pupae belonging to two genera and 17 species, three of which were unidentified, were collected at 44 sites. Seven species of two genera, Prosimulium (Prosimulium) kiotoense, Simulium (Eusimulium) konoi, S. (Simulium) suzukii, S. (S.) nikkoense, S. (S.) quinquestriatum, S. (S.) kawamurae and S. (S.) rufibasis were newly recorded from Fukui Prefecture. Three unidentified species were also new records from the prefecture. The predominant species was S. (S.) japonicum (27.6%), followed by S. (S.) aokii (13.3%), S. (S.) suzukii (13.0%), S. (E.) uchidai (10.0%), S. (S.) bidentatum (9.1%) and Pro. (Pro.) kiotoense (8.2%). The species most widely distribute from lowland areas to highland were Pro. (Pro.) kiotoense and S. (S.) japonicum.
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  • Some bacteria isolated from the sphaerocerid fly, Coproica hirtula Rondani, attracted to the raw material of an eyelid cosmetic
    Shinji KOBAYASHI, Yoshio OHKUBO, Hatsuyo SUDO, Hiromu KURAHASHI
    Article type: Article
    1990 Volume 41 Issue 2 Pages 111-112
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.111
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • Six tick bite cases from Okayama, Japan
    Ryo HATSUSHIKA, Kaoru MIYOSHI, Yoji TAKEI, Akihiro NAKATSUKASA
    Article type: Article
    1990 Volume 41 Issue 2 Pages 113-115
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.113
    JOURNAL FREE ACCESS
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    Six tick bite cases (a 78-year-old woman, a 50-year-old woman, a 38-year-old woman, a 4-year-old boy, a 24-year-old man, and a child of unknown age and sex) from Okayama Prefecture are reported. Causative tick species were Haemaphysalis longicornis (adult female, 3 cases), Ixodes nipponensis (adult female, 1 case), H. longicornis (nymph, 1 case) and H. flava (nymph, 1 case). Tick bites were thought to have been acquired in mountainous areas in the 3 cases, while places of bite acquisition were not deducible in the remaining 3 cases. Recorded tick bite cases from Okayama Prefecture came to 10 examples, and Haemaphysalis ticks were found biting humans more often than Ixodes ticks.
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  • A case-report of oral-stings by spermatophores of a squid, Tadorodes pacificus Steenstrup
    Fumihiko KAWAMOTO, Tetsuya IWATA, Atuo ICHIHARA, Nobuo KUMADA, Rokuro ...
    Article type: Article
    1990 Volume 41 Issue 2 Pages 117-119
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.117
    JOURNAL FREE ACCESS
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    A case-report of oral-stings by spermatophores of a squid, Tadorodes pacificus was described. The male patient was one of the authors of this report, aged 26 years, who was injured in his oral cavity immediately after eating uncooked internal-organs of a squid by mistake. He complained of severe pain and foreign-body sensation in the oral cavity. On examination, more than 15,small spindle-shaped stings stuck in mucous membrane of the tongue, soft palate, and upperlip. Stings were removed surgically in hospital, and they were identified as squid spermatophores by their shapes and containment of sperms. In addition to this case, two other cases with similar symptoms were identified as oral-stings by squid spermatophores. These cases suggest that fresh squids should be carefully prepared before eating them as "sashimi" or in raw.
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  • Notes on the construction and use of animal-baited traps for sampling haematophagous Diptera
    Hirofumi HAYAKAWA, Nobuo YAMASHITA, Tsutomu HASEGAWA, Yoichiro TSUBAKI ...
    Article type: Article
    1990 Volume 41 Issue 2 Pages 121-125
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.121
    JOURNAL FREE ACCESS
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    Cattle-baited and poultry-baited traps, a modification of the steer-baited trap designed by Roberts (1965), were constructed and used for sampling haematophagous Diptera including large-sized Tabanidae and small-sized Ceratopogonidae. The width of the slit was much wider in the new traps (10cm) than in the Roberts' trap (1.9cm). When compared with a CO_2-lured mosquito-net trap, a cattle-baited trap collected more species and individuals in Muscidae, Culicidae, Simuliidae and Ceratopogonidae. As regards Tabanidae, however, the present width of the slit seemed a little narrow for these species to enter into the trap. A poultry-baited trap was also effective for collecting haematophagous Diptera attracted to and attacking hens.
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  • [title in Japanese]
    Article type: Cover
    1990 Volume 41 Issue 2 Pages Cover8-
    Published: June 15, 1990
    Released on J-STAGE: August 26, 2016
    DOIhttps://doi.org/10.7601/mez.41.Cover8
    JOURNAL FREE ACCESS
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