Compteromesa Sther (Diptera, Chironomidae, Prodiamesinae) newly recorded in China with the description of a new species.

Compteromesa haradensis Niitsuma et Makarchenko, 1997 is redescribed based on the male adults, pupae and larvae collected from China. Supplemental data are provided here for emending the previous inaccurate descriptions. In addition, a new species, Compteromesa biramosa Tang et Niitsuma, sp.

Revision of the Chinese Macropelopia (Diptera: Chironomidae: Tanypodinae), with description of a new species.

The Chinese species of Macropelopia Thienemann are reviewed. A new species belonging to the subgenus Macropelopia, M. (M.

Review of the genus Amnihayesomyia Niitsuma (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species from China.

Three new species of Amnihayesomyia are described from China: A. vittata sp. n.

Taxonomic review of Ablabesmyia Johannsen (Diptera: Chironomidae: Tanypodinae) from Oriental China, with descriptions of six new species.

Six new species of the genus Ablabesmyia are described and illustrated from Oriental China: A. (Ablabesmyia) lyrata sp. n.

Notes on the genus Fittkau (Diptera: Chironomidae: Tanypodinae) from southern China, with description of a new species.

Two interesting species, Conchapelopia togamaculosa Sasa & Okazawa and a new species, Conchapelopia brachiata sp. n., were collected from southern China.

Two species of Nilothauma Kieffer (Diptera, Chironomidae) from Japan, with description of a new species.

The male and female adults and pupa of Nilothauma niidaense n. sp. are described and illustrated on the basis of the material collected from a fontal stream in Fukushima Prefecture, Japan.

A new species of Bilyjomyia Niitsuma et Watson from Japan, with keys to species of the genus (Diptera: Chironomidae).

Descriptions of the male, female imagos, pupa and larva are given for Bilyjomyia parallela n. sp. collected from Japan.

Revision of the Japanese Ablabesmyia (Diptera: Chironomidae: Tanypodinae), with descriptions of three new species.

The Japanese species of Ablabesmyia Johannsen are reviewed on the basis of the type material and the specimens obtained recently. Four species of the subgenus Ablabesmyia, A. (A.