Those are quite nice. You've managed to pull off something akin to the old 2nd edition 40K Tyranid red-and-blue scheme without it looking as garish as the GW efforts, which is quite a feat.
The vespid gives me a strong "Large Sadistic Demon" vibe from Asgard. Alternative Armies makes them now, and they apparently finally found the molds for the wings after years of selling them without.