SCIFI.COM - Farscape

Ilanics are bipeds, genetically related to Luxans. (As Crichton puts it, you'd never mistake an Ilanic for a Luxan, but there's a family resemblance.) According to D'Argo, Luxans and Ilanics have been blood allies for over a thousand cycles.

Ilanics are long-time enemies of another species, the Scorvians, and are presently at war with them. Verell, the Ilanic scientist who came aboard Moya with his assistant Matala, told D'Argo that the Scorvians launched an unprovoked attack on an outlying Ilanic colony and slaughtered two million civilians. (D'Argo believes this utterly, but I suspect Verell's view is naturally somewhat slanted.)

Though Luxans and Ilanics have a mutual treaty, evidently it doesn't require that Luxans join the war on the Ilanic side (although D'Argo was willing to volunteer to do so). Luxan involvement in the Ilanic-Scorvian war consists of limited aid -- troops, armament, and so forth.

Ilanics and Scorvians both appear to be devious warriors. There are Scorvians, in fact, who have undergone extensive genetic surgery in order to masquerade as Ilanics for infiltration, intelligence gathering, and sabotage.