It is native to SE Asia, but has been introduced for use in biological pest control in Hawaii and many parts of the world,[1] including Europe.

Elytra, pronotum and outer margins of elytral epipleura are very dark pitchy black in color.

Vertex of head and lateral sides of pronotum are darker brown to black in many females.

In male genitalia, median lobe with broad basal half which is abruptly contracted at base and bulging sub-basally.

[6] It is one of the major predators on diaspid scale insects such as Aonidiella aurantii, Abgrallaspis cyanophylli, Aleurotrachelus atratus, Aonidiella citrina, Aspidiotus rigidus, Chrysomphalus aonidum, Lepidosaphes gloverii, Parasaissetia nigra, Parlatoria blanchardi, Saccharicoccus sacchari, Aonidiella orientalis, Aspidiotus destructor, Hemiberiesia latanias, Leucaspis coniferarum, Pinnaspis strachani, Quadraspidiotus perniciosus, Tecaspis.