Table:
text: Australian Dung Beetle Project
Further dung beetle research
Species of introduced dung beetle that have established in Australia
Species Country_of_origin Total_released First_release Last_release Areas_of_release Areas_established Pasture_type_
Onthophagus gazella Fabricius South Africa 420415 February 1968 February 1984 ACT, NSW, NT, QLD, SA, Tas, Vic, WA, Norfolk Islands ACT, NSW, NT, QLD, SA, WA, Norfolk Islands Summer rainfall
Onthophagus nigiventris d`Orbigny East Africa 29960 May 1975 March 1983 NSW NSW Summer rainfall
Onthophagus obliquus Nigeria, Senegal, Zaire 9300 January 1976 November 1977 QLD, NT QLD Summer rainfall
Onthophagus sagittarius Sri Lanka (via Hawaii) 9075 January 1968 March 1977 NSW, NT, QLD, WA NSW, NT Summer rainfall
Onthophagus taurus Schreber Spain, Greece, Italy, Turkey 164499 February 1975 January 1984 NSW, SA, Tas, Vic, WA NSW, SA, Tas, Vic, WA Winter rainfall
Sisyphus rubrus Paschalidis South Africa 85933 March 1973 February 1980 NSW, QLD, WA NSW, QLD Summer rainfall
Sisyphus spinipes South Africa 36125 March 1972 December 1978 NSW, NT, QLD, WA NSW, QLD Summer rainfall

Question: What is the difference between the number of Onthophagus obliquus species released and the number of Sisyphus rubrus paschalidis released as part of the Australian Dung Beetle Project?