Medical Entomology and Zoology
Online ISSN : 2185-5609
Print ISSN : 0424-7086
ISSN-L : 0424-7086
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Volume 36, Issue 2
Displaying 1-9 of 9 articles from this issue
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  • Examination of the pain producing amines in the venomous hairs or spines of Japanese urticating caterpillars
    Hideki ITOKAWA, Rokuro KANO, Terumi NAKAJIMA, Tadashi YASUHARA
    Article type: Article
    1985 Volume 36 Issue 2 Pages 83-86
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.83
    JOURNAL FREE ACCESS
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    Histamine and serotonin in the hairs or spines of Japanese urticating caterpillars, that belong to 4 families, 6 genera and 12 species, were assayed quantitatively by high performance liquid chromatography. Histamine was detected in all species except for 4 species of Lasiocampidae. Serotonin was not detected in any species.
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  • Successful laboratory colonization of 3 Japanese species of Toxorhynchites mosquitoes
    Masahiro HORIO, Masuhisa TSUKAMOTO
    Article type: Article
    1985 Volume 36 Issue 2 Pages 87-93
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.87
    JOURNAL FREE ACCESS
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    We have successfully established laboratory colonies of Toxorhynchites towadensis, Tx. undescribed sp. (Okinawa), and Tx. manicatus yaeyamae. The first 2 species, mated in a large cage (60×60×75cm) covered by a black polyvinyl sheet with a small window at the top. Females and males of these species often flew towards the light entering through the window, and this increased the chance of mating. With a slight modification of the methods used for anopheline mosquitoes, however, artificial mating was employed for Tx. m. yaeyamae, and also for Tx. sp. (Okinawa) when natural mating was insufficient. When the mating was successful, enough eggs were obtained to sustain the colony even in a smaller cage (20×30×20cm). The average duration from egg hatch to adult emergence was 19-20 days for these Toxorhynchites species.
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  • Age structure and mating status of the male mosquitoes responding to sound
    Toshiaki IKESHOJI
    Article type: Article
    1985 Volume 36 Issue 2 Pages 95-101
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.95
    JOURNAL FREE ACCESS
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    The age structure of male populations responding to sound were studied with five species of age-known, virgin and non-virgin males in the laboratory (Cx. p. molestus, Cx. p. pallens, Ae. aegypti, Ae. albopictus and An. stephensi), and with resting, swarming and sound-trapped males in the nature (Cx. tarsalis, Cx. tritaeniorhynchus and Ae. melanimon). The age of the field-collected males was determined by counting the daily cuticular layers of the mesothoracic furca. The response to sound was greatest for 2-day-old Cx. p. molestus males and for 3 and 4-day-old males of the other six species. Sound responsiveness of the laboratory males decreased as a function of age and mating experience. The fecundity of male Ae. aegypti, but not Cx. p. molestus, was higher for sound-attracted males than males not attracted to sound.
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  • Record of blood-sucking midge, Forcipomyia (Dacnoforcipomyia) anabaenae Chan et Saunders, 1965 from Amami-oshima, Japan
    Shigeo KITAOKA, Hiroshi SUZUKI
    Article type: Article
    1985 Volume 36 Issue 2 Pages 103-105
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.103
    JOURNAL FREE ACCESS
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    Forcipomyia (Dacnoforcipomyia) anabaenae Chan et Saunders, 1952 is recorded from Amamioshima Island, Japan for the first time, which was originally described as a new anthropophilic midge from Singapore. The morphological characters of F. (D.) anabaenae collected from the island, the feeding habit and a brief taxonomic discussion were presented.
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  • Rodenticidal activity of warfarin against wild Norway rat, Rattus norvegicus, collected from some locations in Japan
    Nobuaki TANIGUCHI, Takashi KATO, Yasunosuke IKEDA
    Article type: Article
    1985 Volume 36 Issue 2 Pages 107-110
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.107
    JOURNAL FREE ACCESS
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    To determine the susceptibility of the wild Norway rat, Rattus norvegicus, to warfarin, a no-choice feeding test with a bait containing 0.005% warfarin was carried out using wild Norway rats collected from several places of Japan from 1981. So far as the results obtained, mean days to death in both Norway rats of most test localities and laboratory rats were approximately within five days and this values seem to indicate a standard susceptibility of Norway rats in Japan. On the other hand, susceptibility of a Norway rat population of Yumenoshima to warfarin was measured using WHO procedure, and LFP_<50>, LFP_<98> and its upper 95% confidence limit were calculated by Litchfield and Wilcoxon method. These values were 1.85,7.9 and 12.1 days, respectively, of the three, the latter two were longer than those of warfarin-susceptible populations in Europe and U. S. A. The Norway rat population of Yumenoshima could be controlled with 0.025% warfarin in 1983. Therefore, a feeding period on 0.005% warfarin to detect the appearance of warfarin-resistant strain in Japan should be investigated, although a six-day feeding test has been adopted usually in Europe and U. S. A.
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  • Plants as oviposition sites of Chrysops vanderwulpi kitaensis Hayakawa, 1982,and C. nigripes Zetterstedt, 1840,and their egg-batches (Diptera, Tabanidae)
    Hirofumi HAYAKAWA, Yohtaro YONEYAMA
    Article type: Article
    1985 Volume 36 Issue 2 Pages 111-113
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.111
    JOURNAL FREE ACCESS
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    The egg-batches of Chrysops vanderwulpi kitaensis Hayakawa, 1982,and C. nigripes Zetterstedt, 1840 were collected from marsh plants in Hokkaido in the late July of 1982. Thirty-three egg-batches of C. vanderwulpi kitaensis were found on almost erected leaves or stems of 5 species of plants, mostly of Phragmites communis Trinius, which grew in water off-shore. On the other hand, two egg-batches were found on the underside of horizontal leaves of Sium suave Walker. The average height of oviposition sites was 14.1cm and 22.5cm above the water surface in C. vanderwulpi kitaensis and C. nigripes, respectively. The egg-batches of both species were quite similar each other; dark brown to black in color, and flat and very elongated in shape with monolayer of eggs. Average number of eggs per batch was 85.5 and 99.0 in C. vanderwulpi kitaensis and C. nigripes, respectively. Eggs of both species were parasitized by wasps.
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  • Reaffirmation of the occurrence of Parcoblatta kyotensis (Dyctioptera : Blattellidae) in Fukuoka Prefecture, Kyushu
    Hideho YAMAMOTO, Masatoshi YAMASAKI, Yukio TAMADA
    Article type: Article
    1985 Volume 36 Issue 2 Pages 115-116
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.115
    JOURNAL FREE ACCESS
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    Two females of strange cockroach were captured by the workers of Chuwa Fumigation Co. in a storehouse of Nishi-Kaigan-dori, Moji-ku, Kitakyushu City on Aug. 10,1984. The rigid identification study on the insects showed that they were exactly identical with the paratype of Parcoblatta kyotensis Asahina. This finding lends a strong confirmation to the fact that P. kyotensis is distributed in Fukuoka Prefecture, Kyushu.
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  • Plants as oviposition sites of Tabanus trigeminus Coquillett, 1898 and its egg-batches (Diptera, Tabanidae)
    Hirofumi HAYAKAWA, Yohtaro YONEYAMA
    Article type: Article
    1985 Volume 36 Issue 2 Pages 117-118
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.117
    JOURNAL FREE ACCESS
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    The egg-batches of Tabanus trigeminus Coquillett, 1898 were collected from marsh plants in Shizukuishi-cho, Iwate-ken in July, 1978. The eggs were found on the underside of leaves of 8 plants, mainly Phragnites communis Trinius and Iris sanguinea Donn., at the average height of 46cm above the water surface. The egg-batches were grey to brownish black in color with yellowish white cements among individual eggs, and roughly conical in shape with 3 to 4 layers of eggs. Average number of eggs per batch was 611. All egg-batches were parasitized by wasps. One case of oviposition behavior was observed during the survey.
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  • [title in Japanese]
    Article type: Cover
    1985 Volume 36 Issue 2 Pages Cover8-
    Published: June 15, 1985
    Released on J-STAGE: September 02, 2016
    DOIhttps://doi.org/10.7601/mez.36.Cover8
    JOURNAL FREE ACCESS
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