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Article type: Cover
1999 Volume 50 Issue 2 Pages
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Article type: Cover
1999 Volume 50 Issue 2 Pages
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
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Tadashi KOBAYASHI, Hiroshi SUZUKI
Article type: Article
1999 Volume 50 Issue 2 Pages
79-84
Published: June 15, 1999
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The male imago of Harnischia ohmuraensis sp. n. from Nagasaki in western Kyushu, Japan, is described. The species belongs to the tribe Chironomini and is unique in having the tergite IX strongly protruded dorsally and a nearly parallelsided broad anal point. The male of Parachironomus monochromus (van der Wulp, 1874) new to Japan is redescribed.
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Manabu SASA, Kazuki OGATA
Article type: Article
1999 Volume 50 Issue 2 Pages
85-104
Published: June 15, 1999
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Collections of chironomid midges were conducted during a one-year period from April 1997 to March 1998 at the Kurobe Municipal Sewage Treatment Plant (Kurobe Joka Center), for obtaining basic information on their bionomics and for developing their control methods. About 20,000 adult specimens were collected during daytime with insect nets or sucking tubes, as well as during night-time with light traps, and were separated into species under a stereomicroscope, and a part of them were individually mounted on slides for species identification. A total of 42 species were collected and identified, among which 8 are described as new species in this paper, together with one new genus, Kurobebrillia. They are Cryptochironomus jokaprimus, Pentapedilum jokasecundum, Micropsectra jokatertia, M. jokaquarta, Kurobebrillia jokaquinta, Eukiefferiella jokasexta, E. jokaseptima and Limnophyes jokaoctavus.
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Takashi KITAZAWA
Article type: Article
1999 Volume 50 Issue 2 Pages
105-127
Published: June 15, 1999
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A total of 33 species of trombiculid mites were identified in northern Kyushu, from 84,413 mites parasitic on captured host mammals at 123 sites, or collected by other methods. The vegetation types, based on the dominant plants or the physiognomies, were arranged into four groups by the trombiculid species structure, namely, the ordinary forest (Cryptomeria-Cypress forest, secondary forest, and evergreen broad-leaved forest), seaside pine forest, grassland, and montane deciduous forest. However, some differences in the structure were detected among sites in each vegetation type. A successive change in the trombiculid structure in accord with the succession of plants, beginning with pioneer species such as Gahrliepia saduski, Leptotrombidium scutellare, and L. pallidum, is discussed. The possibilities of interspecific relationships, such as competition, between two pairs of morphologically related species were suggested in the vertical distribution of L. tanaka-ryoi and L. fuji, and in the horizontal distribution of L. fukuoka and L. kitasatoi. The vector species of Tsutsugamushi disease, L. pallidum and L. scutellare, showed a somewhat restricted distribution. The small number of patients of Tsutsugamushi disease in this region, in comparison with that in southern Kyushu, was attributed to the lesser abundance of the vector trombiculid mites.
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Atsuko MORIBAYASHI, Jeffrey D. WELLS, Hiromu KURAHASHI
Article type: Article
1999 Volume 50 Issue 2 Pages
129-135
Published: June 15, 1999
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Diapausing pupae of the flesh fly, Boettcherisca peregrina (Robineau-Desvoidy) (Diptera : Sarcophagidae) were held two months at 20℃ and then chilled at 4℃ for between 0 and 48 weeks before transfer to diapause-terminating conditions (27℃). 70-89% adult emergence occurred in unchilled pupae and pupae chilled for 3-15 weeks, with the highest rate observed in those chilled for 12 weeks. Pupae chilled for 12 weeks emerged over the shortest interval (10 days) from day 14 to day 23 after being transferred to 27℃. The interval of adult emergence was longest (40 days) from day 20 to day 59 for unchilled pupae. A low percentage of adult emergence occurred in pupae chilled either 2-3 or ≥20 weeks. All pupae that failed to emerge were dead. These results show that length of the hypothermic phase during diapause is one of the important factors determining the timing of adult eclosion in diapausing individuals of B. peregrina. The results further indicate that long hypothermic phases lower the survival rate, and this may limit the northern distribution of this species.
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Kiyoshi KAMIMURA, Masahiro YOSHIDA, Yasuyoshi NISHIO, Ines Tomoco MATS ...
Article type: Article
1999 Volume 50 Issue 2 Pages
137-140
Published: June 15, 1999
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In order to investigate the overwintering of redback spiders in Japan, tubes and sockets made of polyvinyl chloride were set as shelter traps in a vacant land of Kishiwada City, Osaka Prefecture, in early summer in 1996. Fifty-two nesting spiders were found in 42 out of 411 traps, mainly during the fall and winter. It was confirmed that the spiders of all developmental stages were able to overwinter in the area.
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Sallehudin SULAIMAN, Zainol Arifin PAWANCHEE, Hidayatul Fathi OTHMAN, ...
Article type: Article
1999 Volume 50 Issue 2 Pages
141-145
Published: June 15, 1999
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The effects of ULV spraying of Sumithion L-40S^[○!R] and malathion 96 TG were evaluated against sentinel sugar-fed adults and 4th-instar larvae of Aedes aegypti at high-rise flats in Malaysia. The impact of both insecticides on field populations of Ae. aegypti and Ae. albopictus was monitored weekly using ovitraps. Sumithion L-40S^[○!R] showed adulticidal and larvicidal effects and malathion 96TG showed adulticidal effect only.
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Kazuyoshi FUJIMOTO
Article type: Article
1999 Volume 50 Issue 2 Pages
147-149
Published: June 15, 1999
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The seasonal activities of Ixodes monospinosus and Haemaphysalis kitaokai adults were analyzed by using the mark-recapture method at Mt. Kumakura (a hiking trail about 1km long) in the Chichibu Mountains of Saitama Prefecture. A total of 148 I. monospinosus and 1,013 H. kitaokai adults were marked and released in spring (April to June, 1997 and April to May, 1998) and in autumn (September to November, 1997 and October to November, 1998). None of the I. monospinosus and H. kitaokai adults captured in spring were recaptured in autumn. However, a part of the adults of both species captured in autumn were recaptured the next spring. These results suggest that in both I. monospinosus and H. kitaokai, the adults which appeared during spring and autumn are of different generations. The adults of both species appear to begin their activity in autumn and to complete it in the next spring or summer.
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Hitoshi SASAKI, Toshisada NISHIDA
Article type: Article
1999 Volume 50 Issue 2 Pages
151-155
Published: June 15, 1999
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A preliminary survey targeting flies associated with wild chimpanzees was carried out at the Mahale Mountains National Park, Western Tanzania, during the November-December rainy season of 1995 and 1996. A total of 16 genera and 35 species belonging to 5 families (Tabanidae, Glossinidae, Muscidae, Sarcophagidae and Calliphoridae) were collected. Of these, 5 genera and 10 species of 3 families, namely Haematopota nigripennis, H. unicolor, H. theobaldi, Haematobosca wooffi, Stomoxys transvittatus, S. pallidus, S. omega, Sarcophaga (Xanthopterisca) elegantipes, Neomyia limbata and N. difficilis were new records for Tanzania. The fly fauna was characteristic of central Africa, rather than East Africa. Two tsetse fly species, namely, Glossina morsitans morsitans and G. longipennis, were collected in the vicinity of chimpanzee populations. Although G. longipennis rarely feeds on primates, many blood meals from this species were experimentally confirmed to be of primates origin. Sarcophaga (Bercaea) aruno was the main species attracted to chimpanzee excrements.
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Toshihiko HAYASHI, Hitoshi KOMATSU, Kazumi NISHIDA, Akira TAKAI, Satok ...
Article type: Article
1999 Volume 50 Issue 2 Pages
157-160
Published: June 15, 1999
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We observed mass invasion to human dwellings by Megaselia meconicera (Speiser, 1925) in the western part of Japan in winter from October, 1996 to February, 1997. Such invasion was mainly found in dwellings situated near forests. We briefly summarize morphological characters and biology of M. meconicera. Similar invasion was also reported from Europe.
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Hideo MIZUTA, Akiko MATSUMOTO, Kentaro GOTO, Kyuhei KOTAKE
Article type: Article
1999 Volume 50 Issue 2 Pages
161-164
Published: June 15, 1999
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As one of the measures to prevent diseases which might be caused by imported mosquitoes, we conducted a survey on mosquitoes and their breeding sources from April to December, 1998,at Kansai International Airport constructed in 1994 on an artificial island in Osaka Bay, about 5km off the coast of Izumi-Sano City. Nine indigenous species belonging to 3 genera were found, but there were no imported species. The species collected were as follows; Anopheles (Anopheles) sinensis, Culex (Culex) pipiens pallens, Cx. (Cux.) tritaeniorhynchus, Cx. (Cux.) orientalis, Cx. (Barraudius) inatomii, Cx. (Lutzia) halifaxii, Cx. (Culiciomyia) sasai, Aedes (Finlaya) togoi and Ae. (Stegomyia) albopictus. Anopheles sinensis and Cx. inatomii, which was newly recorded outside of the type locality, Okayama, were mainly collected in one water pool made of concrete and temporary ground pools, respectively. Culex p. pallens was very common in water pools made of concrete.
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Sallehudin SULAIMAN, Zainol Ariffin PAWANCHEE, Ahmad WAHAB, Jefri JAMA ...
Article type: Article
1999 Volume 50 Issue 2 Pages
165-167
Published: June 15, 1999
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The efficacies of Abate 1-SG and Vectobac G were evaluated against the dengue vector Aedes albopictus in bromeliads in Malaysia. The dosage for both insecticides was 1gm/plant. Both insecticides were effective in controlling Ae. albopictus breeding with residual activity of up to 1 week with more than 76% mortality of immature stages.
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Fumiko TAKEDA, Takako TOMA, Gen OTOMO, Ichiro MIYAGI
Article type: Article
1999 Volume 50 Issue 2 Pages
169-173
Published: June 15, 1999
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Mite infestation was investigated at day nurseries in which infants stayed the full day. Dust samples were collected from the floors, "goza" (Japanese matting), "futon" (Japanese mattresses) and blankets in five rooms for 3-year-old children at day nurseries in Ginowan City and Nishihara Town, Okinawa Prefecture, in February and July 1997. Dermatophagoides pteronyssinus was dominant in the day nurseries. The number of dust mites was 3,740 (n=17) in February and 2,204 (n=19) in July. Fifteen out of 36 samples contained more than 100 mites per 1m^2. Many mites were found in the "goza", constituting 50.2% of the total collected in February and 68.9% in July.
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
175-
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
176-
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N. Agui
Article type: Article
1999 Volume 50 Issue 2 Pages
177-
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Kenichi TAKAHASHI, Takuya ITO, Naoki MIKUNI, Makoto MATSUURA
Article type: Article
1999 Volume 50 Issue 2 Pages
177-
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Takuya Ito, Kenichi Takahashi, Koji Uraguchi
Article type: Article
1999 Volume 50 Issue 2 Pages
177-
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Kohji Uraguchi, Hideharu Tsukada, Kenichi Takahashi
Article type: Article
1999 Volume 50 Issue 2 Pages
177-
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Osamu SASAKI, Shigekazu TANI
Article type: Article
1999 Volume 50 Issue 2 Pages
178-
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
179-180
Published: June 15, 1999
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
181-182
Published: June 15, 1999
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Koji Ito
Article type: Article
1999 Volume 50 Issue 2 Pages
183-
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Akiko Nakamura
Article type: Article
1999 Volume 50 Issue 2 Pages
183-
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Satoshi Shinonaga
Article type: Article
1999 Volume 50 Issue 2 Pages
183-
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Noriko Ohtaki
Article type: Article
1999 Volume 50 Issue 2 Pages
183-
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Satoshi SHINONAGA
Article type: Article
1999 Volume 50 Issue 2 Pages
184-
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Hiromu Kurahashi, Atsuko Moribayashi, Toshihiko Hayashi, Chieko Shudo, ...
Article type: Article
1999 Volume 50 Issue 2 Pages
184-
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A. Moribayashi, T. Hayashi, C. Shudo, H. Kurahashi
Article type: Article
1999 Volume 50 Issue 2 Pages
184-
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Katsumi Saito, Hideki Sato, Akihiro Kanayama
Article type: Article
1999 Volume 50 Issue 2 Pages
184-
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T. Ikemoto, K. Takai
Article type: Article
1999 Volume 50 Issue 2 Pages
185-
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K. Takai, T. Ikemoto
Article type: Article
1999 Volume 50 Issue 2 Pages
185-
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YASUHIRO TOMIOKA
Article type: Article
1999 Volume 50 Issue 2 Pages
185-
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A. Kanayama, Y. Tabaru, A. Rodas, R. Rosales, E. Enriquez, R. Marroqui ...
Article type: Article
1999 Volume 50 Issue 2 Pages
185-
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Kimito Uchikawa
Article type: Article
1999 Volume 50 Issue 2 Pages
186-
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Takashi Tsunoda, Keiji Mori, Masato Fujimagari
Article type: Article
1999 Volume 50 Issue 2 Pages
186-
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K. Urabe, M. Takaoka, N. Yamamoto, K. Nakazawa
Article type: Article
1999 Volume 50 Issue 2 Pages
186-
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K. Fujimoto
Article type: Article
1999 Volume 50 Issue 2 Pages
186-
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T. Hashimoto, K. Minagawa, K. Mizutani, N. Motoyama
Article type: Article
1999 Volume 50 Issue 2 Pages
187-
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A. Hayashi
Article type: Article
1999 Volume 50 Issue 2 Pages
187-
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T. Kozaki, T. Shono, T. Tomita, Y. Kono
Article type: Article
1999 Volume 50 Issue 2 Pages
187-
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K. Hata, T. Kurihara
Article type: Article
1999 Volume 50 Issue 2 Pages
187-
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Y. Chigusa, H. Ohtake, H. Matsuda
Article type: Article
1999 Volume 50 Issue 2 Pages
188-
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S. Baba, H. Suzuki
Article type: Article
1999 Volume 50 Issue 2 Pages
188-
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Satoshi Shinonaga
Article type: Article
1999 Volume 50 Issue 2 Pages
188-
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K. Kosone, A. Kanayama
Article type: Article
1999 Volume 50 Issue 2 Pages
188-
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R. Asai, T. Yabe, Y. Takagi
Article type: Article
1999 Volume 50 Issue 2 Pages
189-
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Article type: Appendix
1999 Volume 50 Issue 2 Pages
191-192
Published: June 15, 1999
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