The generic classification of millipede associated Heterozerconidae in the Oriental region is revised. The genus Allozercon Vitzthum is re-diagnosed and Asioheterozercon Fain is designated as an subjective junior synonym of Allozercon. Philippinozercon gen. nov., with the type species P. makilingensis sp. nov., is described for all instars. This genus may be endemic for the Philippines, but is quite widespread in that country. All immature instars are described, making this the second species of Heterozerconidae known for all instars. The morphology of the immatures is compared with that of immatures of the temperate species Narceoheterozercon ohioensis and unnamed species from Brazil and Thailand. All immatures were collected from millipede frass and litter, never from millipedes. Adults are associated with millipedes in the family Trigoniulidae (Spirobolida).

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A new species of cunaxid mite belonging to the subfamily Cunaxinae, Cunaxa minidiscondyla sp. nov., is described from the Philippines. This species is distinctive by the presence of a small disc-shaped apophysis dorsodistally on the palp telofemur, two spine-like setae on the palp genu, a long spine-like seta on the palp tibiotarsus, an ill-defined propodosomal shield, the absence of a median hysterosomal shield, long hysterosomal setae, and basifemoral and telofemoral chaetotaxy of 4-4-3-1 and 5-5-4-4, respectively. The previously unknown female of Lupaeus longisetus (Cunaxoidinae) and unknown male of Dactyloscirus trifidus (Cunaxinae) are described. A supplementary description is provided for Scutopalus clavatus (Cunaxoidinae) which is recorded for the first time in the Philippines on coconut leaves infested with the scale insect, Aspidiotus rigidus. New locality and habitat data are given for some species of the aforementioned subfamilies, as well as the subfamilies Bonzinae and Orangescirulinae.

Four new species of predatory mites belonging to the subfamily Coleoscirinae (family Cunaxidae) are described from the Philippines, namely, Neobonzia ermilovi n. sp., Neoscirula klompeni n. sp., N. lagunaensis n. sp. and N. lambatina n. sp. Keys based on females are provided for four species of Neobonzia, and 11 species of Neoscirula that are currently known from the Philippines. New locality and habitat data are given for four previously known species of the genera Coleoscirus and Neoscirula.