From what I have read, Dr. Teal had also worked on a similar approach to the control of the SHB.     The SHB control described in a 2007 article from the USDA apparently never made it past the test stage as well.    It supposedly mimicked the yeast which the SHB brings into the hive with them.    The below is from the article.  

"When small hive beetles invade a beehive, they bring in
a yeast that grows on the pollen. “As the yeast grows and
ferments, it releases compounds that mimic honey bee alarm
pheromones and are highly attractive to other beetles,” says
Teal. “This sets off a cascading effect. When the beetle
population gets too high, the bees have no choice but to
abandon the hive, leaving beekeepers without honey and
their bee colonies.”

Steve 

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