446 
M.S. Harvey 
Figures 7-11 Penemidecrpsis angovensis sp. nov., holotype 6: 7, dorsal shield; 8, ventral shield; 9, left pedipalp; 10, left 
leg I; 11, genital field. 
ACKNOWLEDGEMENTS 
I wish to cordially thank Dr Jenny Davis 
(Murdoch University) and Dr Stuart Halse 
(Department of Conservation and Land 
Management) for access to the fascinating 
specimens reported upon here. 
REFERENCES 
Cook, D.R. (1986). Water mites from Australia. Memoirs 
of the American Entomological Institute 40: 1-568. 
Davis, J.A., Barmuta, L.A. and Balia, S.A. (1988). 
Serpentine River aquatic fauna study. Unpublished 
report submitted to Water Authority of Western 
Australia, Perth. 
Harvey, M.S. (1990). Two new water mite genera from 
south-western Australia (Acarina: Aturidae, 
Mideopsidae). Memoirs of the Museum of Victoria 50: 
341-346. 
Harvey, M.S. (1996). A review of the water mite 
family Pionidae in Australia (Acarina: 
Hygrobatoidea). Records of the Western Australian 
Museum 17: 361-393. 
Storey, A.W., Halse, S.A. and Shiel, R.J. (1993). Aquatic 
invertebrate fauna of the Two Peoples Bay area, 
southwestern Australia, journal of the Royal Society of 
Western Australia 76: 25-32. 
Manuscript received 12 October 1995; accepted 16 January 
1996. 
