Fresh specimans no reward?

[aguliondew]

I am going with a harmony type game but got the quest to kill 10 aliens. I decided to kill the aliens around the nest in my city. I got no reward for doing it?

 

[Teproc]

I just got the exact same bug, also going Harmony.

 

[Camikaze]

Do either of you have a save demonstrating this bug?