The apple dimpling bug (ADB), Campylomma liebknechti (Girault) is a sucking insect indigenous to Australia. The insect has been recorded on cotton crops in all cotton growing areas in Australia, but its pest status is not fully understood (Bishop, 1980). Adams and Pyke (1982) and Chinajariyawong and Water (1990) has reported cotton square loss associated with ADB infestations. ADB has also been observed feeding on the eggs of two spotted mites in the cotton field (Wilson et al. 1998). Khan and Mensah (1998) also reported that, provision of Helicoverpa eggs to ADB females increased their fecundity and nymphal development. Some cotton growers and consultants consider ADB as cotton pest and therefore control them with synthetic insecticides when numbers exceed current CottonLOGIC threshold. Others especially those practising IPM sees ADB as a beneficial insect. The pest and predator status of ADB, therefore, has brought jinxed conceptions about the true status of this insect in the cotton production system. This mixed attitude towards ADB, shows that there is a substantial gap in our knowledge of the ecology, biology and pest status of this insect. We have undertaken detail studies of the basic biology, behaviour, dynamics and pest status of ADB so that the true status of the insect can be clarified and also made, where appropriately suggestions as to measures required to manage this insect in the cotton system. This paper, reports some aspects of the life cycle, sources of ADB to cotton fields, sampling, economic thresholds and seasonal phenology of ADB. In addition, we have investigated the predator status of ADB in relation to Helicoverpa spp. eggs on cotton crops.