M/M Sci Fi small research station, kept killer ants & bought a robot human pet who was actually real but brainwashed assassin

[Jess]

M/M Sci Fi small research station, kept killer ants & bought a robot human pet who was actually real but brainwashed assassin.

Read about 10 years ago i guess.

Main male lead is a lonely space nerd who studies extremely deadly ants. There is only a small crew on small space station ...while drunk he buys a robot human pet companion but when his robot arrives it starts acting human and not pet like