Vol. 5(1)

    1. Ikudome, S.: Notes on Megachilid Bees from the Ryukyu Islands, Japan, with Description of a New Species (Hymenoptera, Megachilidae). 1

    2. Ogai, H.: Molecular Evidence Showing the Specific Identity between Form japonica and Form klugi of Panorpa japonica Thunberg (Mecoptera). 27

    3. Togashi, I.: Japanese Species of the Genus Periclista Konow (Hymenoptera, Tenthredinidae). 33

    4. Hoshina, H.: A Taxonomic Study of the Genus Agathidium (Coleoptera, Leiodidae) from Japan, I. Subgenus Cyphoceble. 43

    5. Shinohara, A.: A Study on Stem Boring Sawflies (Hymenoptera, Cephidae) of the Tribe Hartigiini from Japan and Korea. 61

    6. Shinohara, A.: Two New Leaf-rolling Sawflies of the Genus Pamphilius (Hymenoptera, Pamphiliidae) from Japan. 79

    7. Hoshina, H. and K. Morimoto: Descriptions of Three New Species of the Genus Scaphidium (Coleoptera, Staphylinidae, Scaphidiinae) from the Ryukyus, Japan. 87

    8. Eguchi, K.: Pheidole longipes (Fr. Smith) and Two New Closely Related Species from Kinabalu Park, Sabah, Borneo (Hymenoptera, Formicidae). 97

    9. Tanaka, K.: Studies on the Pupal Mosquitoes (Diptera, Culicidae) of Japan (1) Aedes (Ochlerotatus). 105

    10. Matsumoto, K.: The Vaccinium-feeders of the Genus Parastenopsylla Yang (Homoptera, Psylloidea, Triozidae) from Southeast Asia. 125

    11. Imura, Y.: Ten New Taxa of the Genera Carabus and Cychrus (Coleoptera, Carabidae) from China. 135

    12. Okajima, S.: On Four Dichromothrips Species (Thysanoptera, Thripidae) Collected from One Population of Arundina sp. (Orchidaceae) in Sabah, Borneo. 145

    13. Nagai, S.: A New Species of the Genus Eupatorus from South Vietnam (Coleoptera, Scarabaeidae, Dynastinae). 153

    14. Ando, K. and M. Sakai: A New Tetraphyllus Species from Taiwan (Coleoptera, Tenebrionidae)