Entomological Science

The Argentine ant, Linepithema humile, in Japan: Assessment of impact on species diversity of ant communities in urban environments
pp. 57-62(6)
Authors: Yoshifumi TOUYAMA; Kazuo OGATA; Takashi SUGIYAMA

Seasonal changes in wing dimorphism of the lygaeid bug Dimorphopterus japonicus (Heteroptera: Lygaeidae) in relation to environmental factors
pp. 63-70(8)
Authors: Rikiya SASAKI; Fusao NAKASUJI; Kenji FUJISAKI

Local divergence in developmental traits within a trivoltine area of Hyphantria cunea Drury (Lepidoptera: Arctiidae)
pp. 71-75(5)
Authors: Tadashi GOMI; Mitsunori INUDO; Daiki YAMADA

A new knotweed-boring species of the genus Ostrinia Hübner (Lepidoptera: Crambidae) from Japan
pp. 77-83(7)
Author: Suguru OHNO

Ogasawaracris gloriosus, a new genus and species of possibly extinct grasshopper (Orthoptera: Acrididae) from the Ogasawara Islands
pp. 85-88(4)
Author: Gen ITO

Tuberaphis owadai (Homoptera), a new aphid species forming a large gall on Styrax tonkinensis in northern Vietnam
pp. 89-96(8)
Authors: Utako KUROSU; Shigeyuki AOKI

Fungus gnats of the genera Anatella, Allodia and Cordyla in Japan (Diptera: Mycetophilidae)
pp. 97-109(13)
Authors: Mitsuhiro SASAKAWA; Hironori ISHIZAKI