[quote=@Webmaster]
<Snipped quote by Tank O The Lake>

Who knows ¯\_(ツ)_/¯
[/quote]

'Sides, since they're psychic, Lash could have a Technomorph interface with a drone and control it psychically, allowing him to give commands and witness the battle without crossing the barrier.  Barring raids for biomass, Lash could have one of his hijacked ships stay above, being fed biomass to produce creatures it can then send down to supplement the growing swarm planetside.