Anatomy and ultrastructure of genital papillae in the Parasitengona (Acariformes). A.
B. SHATROV

Trichoribates zingerlei, a new species of oribatid mite from the southern Alps, Italy
(Acari: Oribatida: Ceratozetidae). B. BAYARTOGTOKH and H. SCHATZ

Amblyseius filcae Denmark and Villanueva, n. sp. (Acari: Phytoseiidae) found on Viburnum in Florida: Description, life cycle and feeding studies. R. T. VILLANUEVA, J. C. V. RODRIGUES, W. C. WELBOURN. H. A. DENMARK and C. C. CHILDERS

Unionicola (Wolcottatax) weni n. sp. and U. (Wolcottatax) arcuatoides Vidrine
(Acari: Unionicolidae) from freshwater mussels in China. M. F. VIDRINE, D. JOUBERT, L.
B. THOMAS, A. E. BOGAN and W. X. PING

Acaricide-mediated suppression of Panonychus citri (McGregor) (Acari: Tetranychidae)
in pear orchards in Japan.. T. GOTOH, T. KORENAGA, S. IKEJIMA and T.
HOSHINO

Genetic differences among sibling species of the subgenus Dimockatax (Acari: Unionicolidae:
Unionicola): Heterogeneity in DNA sequence data supports morphological differentiationB. R. ERNSTING, D. D. EDWARDS, M. F. VIDRINE and H. CUN

Analysis of individual oil gland secretion profiles in oribatid mites (Acari: Oribatida).
G. RASPOTNIG and P. FOTTINGER

Function of the urnulae in protecting the red velvet mite, Balaustium sp., against water
loss and in enhancing its activity at high temperatures. J. A. YODER, C. M. RIGSBY and
J. L. TANK

Influence of simulated acid rain on population dynamics of carmine spider mite,
Tetranychus cinnabarinus (Boisduval) (Acari: Tetranychidae) and its host plant. J.-J. WANG, J.-P. ZHANG, W. DOU and Z.-M. ZHAO