A new larval trombidiid, Paputrombidium grootaerti n. g. and n. sp. (Acari, Trombidiidae), parasitic on Cymatopus spp. (Diptera) from Papua New Guinea. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique Entomologie, 62 1992: 105-108. 105 [Zoological Record Volume 129]