The text below is an extract from this NSW DPI factfile here http://www.dpi.nsw.gov.au and search MARCH 2008 PRIMEFACT 764
Future control methods NSW DPI in conjunction with Rural Industries Research and Development Corporation (RIRDC) have developed an SHB refuge impregnated with insecticide that relies on direct SHB contact for control. Trials have shown promising results, with 90% plus corrected mean percentage reductions in SHB numbers in the hives trialled. The device is specifically designed to prevent bee access as the insecticide is very lethal to both SHB and bees. The insecticide has a low vapour pressure, reducing the risk of residue contamination. The device can be inserted into the hive via most hive entrances making it easy to install and remove from a colony. The product requires commercialisation and registration but to date has not attracted commercial interest. Recent research has found that adult SHB carry a yeast that grows on pollen and omits volatile chemicals that attract adult SHB. This knowledge may lead to the design of an effective lure/trap for use inside and/or outside of a beehive.
The bolded italicized text is concerning that there is no interest from commerce. That was 2008 and just wondered if there is any further development of this product