New cockroaches from Western Australia 
161 
mesonotum by a little more than half its length 
(rather than about one third; see fig. 120 in 
Mackerras, 1968a) and the middle of the pronotal 
disk is yellowish rather than solidly dark (pi. 2G in 
Mackerras 1968a). 
Platyzosteria (Leptozosteria) spenccri Shelford 
Platyzosteria (Leptozosteria) spenceri Shelford: 
Mackerras, 1967b: 1295, figs 104, 110, pi. 4, figs 
4,5 (redescription). 
Material Examined 
Holotype 
6 (probably a nymph), "Central Australia", 
Spencer Gillen Expedition, 1901-02 (NMV). 
Other Material 
Australia: Northern Territory: 1 nymph, base of 
Ayers Rock, 22 May 1954, C.A., Geelong College 
Expedition (NMV). Western Australia: 1 $ nymph, 
nr. Boonbooa Pool, Pigandy Creek, Ashburton 
District, 27 August 1975, P.C. and C.W. Kendrick 
(WAM 92/659); 1 nymph, 130 miles SE. of Broome, 
September, A.S. Cudmore (NMV). 
Remarks 
The species is known only from nymphs and has 
been reported from Northern Territory, South 
Australia, and Western Australia. 
Zonioploca pallida Shelford 
Zonioploca pallida Shelford: Mackerras, 1965: 911, 
figs 5, 14, 23, pi. 1, figs 5, 6 (redescription, male 
and female). 
Material Examined 
Australia: Western Australia: 1 9 (with ootheca), 
Perth, 15 October 1931, Darlington, Australia/ 
Harvard Expedition (MCZ). 
Remarks 
The species is restricted to the southwestern 
comer of Western Australia. 
ACKNOWLEDGEMENTS 
I thank Dr W.F. Humphreys and others who sent 
me specimens. I am grateful to the Australian 
Biological Resources Study (ABRS) for partial 
financial support. 
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Manuscript received 5 September 1994; accepted 3 November 
1994. 
