From giving the names of the faction aquick once-over you can tell that the primary naming conventions in the Vetruvian Imperium are simple descriptions (Wind Slicer, Orb Weaver, Dusk Weaver, Fate Watcher) (we’ll ignore the ‘unique’ units from RotB that all got their firstnames). This is mostly for the humanoids, not so much for the creatures. The primary themes seem to be wind, sand, constellations, ephembrality and lately void/nothingness. There’s also a ton of pyro and fire mentions, though not as much as in Songhai. Very few are named after landmarks beside Aymara healer.
It should not follow the naming convention of the Dervish-creatures since it does not seem to be a Dervish. The creature looks like it has a design in common with Mirage Master and Wasteland Wraith, which alongside Pantheran, Starfire Scarab and Wind Shrike seem to be the only creatures from this plane the Vetruvians have (we’ll ignore Rae and Pax due to their battlepet naming conventions). THe two most in common with it are alliterations as well.
Since it seems it has kinship with Wasteland Wraith it should possibly be a ‘bigger’ version of something ghostlike (banshee, spectre, Alp, Shade, Moroi, Vision, etc…). It seems to be either fire related or similar to Wasteland, making the first part either having to do with desolation or pyroclasm. Wildfire Obelysk took the obvious fusion of the two (desolation through fire). This left me with a few aliterative options Volatile Vision, Whirlwind Wailer, Rapine Ravager, Desolation Drone,…). In the end I went for something alliterative that implied the ghostly and haunting aspect of Vetruvian creatures (though Volatile vision was a close second but seems like it should be reserved for something more powerful).
Lore-wise it would seem like these creatures are the elder versions of Wasteland Wraith, their burning tail creating the barren places that their young thrive in by burning every speck of vegetation to the ground letting them feast on the ashes. Their howls fill the bone-dry desert they have created, warning inhabitants of Pyrea not to disturb their hunting ground.