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Kimiko Okabe,Shun’ichi Makino 한국응용곤충학회 2008 한국응용곤충학회 학술대회논문집 Vol.2008 No.10
Some solitary wasps and bees exhibit peculiar structures, i.e., acarinaria, which are invaginated chambers harbouring certain mite species for transfer to brood cells of hosts. Acarinaria have long been considered morphological adaptations that evolved to securely transfer beneficial mites into nests but there is little compelling evidence to support this hypothesis. The dispersal deutonymphs of the mite Ensliniella parasitica are housed in acarinaria of the host A. delphinalis during phoresy. The mite life cycle has been investigated in detail; the deutonymphal mite using acarinaria invades into a host cell during wasp oviposition, the tritonymph feeds on heamolymph from lepidopteran prey, then adults from the juvenile host, the female begins laying eggs on the host after the host pupates, and larvae and protonymphs acquire nutrition from the pupa, developing into deutonymphs by host eclosion. Although totally parasitic to the juvenile host throughout its life cycle, the mite did not negatively affect on the host. Nests were sometimes infested with other natural enemies, which included a parasitoid wasp (Melittobia acasta), a kleptoparasitic fly, and unknown pathogens. When the parasitoid and adult mites co-existed in a host cell, we found that either all mites or all parasitoids died. A single adult parasitoid (female) and adult mites were placed in transparent acrylic tubes containing a single prepupal host. In some cases, the parasitoids harbouring mites eventually died. However, in other cases, the parasitoid counterattacked mites by possibly biting them on their dorsum. This experiment demonstrated that the probability that the parasitoid was killed depended on the number of mites. Although mutualisms to protect a partner are common, this wasp-mite interaction is exceptional, because the mite is non-predacious and much smaller in body size than the enemy but protects the host wasp.
Shun'ichi Makino,Mitsuhiro Kawashima,Hajime Kosaka 한국응용곤충학회 2011 Journal of Asia-Pacific Entomology Vol.14 No.1
This is the first record of Xenos moutoni, a specialized parasite of hornets (Vespa spp.), in Korea. Among six Vespa species collected with bait traps in Andong, central South Korea, approximately 10% of female Vespa analis (gynes plus workers) were parasitized, whereas the other five species (V. crabro, V. mandarinia,V. simillima, V. ducalis, and V. dybowskii) were not. Almost all parasitized hornets had a single female parasite in the gaster.
(case Report) Halitosis & Halitophobia Treatment Protocol
Shun-Ichi Honda International Journal of Clinical Preventive Denti 2008 International Journal of Clinical Preventive Denti Vol.4 No.1
Lately, we are seeing a surge in Halitophobia (Jishuu-Shou) patients who have bad breath without any signs of internal, oral, or otolaryngologic problems. For these patients, dental treatment(plaque control Edeodorize) is not sufficient measures for treatment. These patients have suffered in length, often times experiencing communication and psychological problems that greatly deteriorate their quality of living (QOL) which is difficult to address through general dentistry or traditional halitosis treatments. Through research of various types of patients, we have developed and taught a treatment protocol that is suitable to any type of patients. We have also proven that doctors and doctor°Øs assistants can safely replicate this protocol. These treatments differ from regular dental treatments in that they do not require surgery or oral medical treatments, but require stabilizing of the oral function, enabling not only dentists but dental assistants with proper training to undergo treatment by themselves. Since the treatment not only addresses halitosis, but also preventive treatment for general dental problems, this treatment has been established as a model preventive treatment.
Human life engineering in daily life : Recent trends of mobile support based on human factors
Shun’ichi Doi 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.5
Ergonomics (or Human Factors) are applied to make human life convenience and comfort according to precise observation and understanding of human characteristics and functions. In these fields of studies, basic and key technologies have been human centered design towards the improvement of quality of daily life. Living in our home, working in the office and moving in society are all in our daily affairs and life itself. In these circumstances, mobile support for human is one of the great issues in human centered design. To make better designs for driver support, first of all, a precise measurement of behaviors and understanding of the phenomena are also necessary to apply and fit with personal behaviors. In this paper the recent technical trends of driving behavioral analysis are reviewed for driving support systems and, above all, the examples of advanced behavioral analysis are shown for predicting the application for future active safety as well as suggesting the research topics for future development of driving support.