Not much to add, I don't like to hate, but Swarmy is real hard to justify, and three upgraded Guards make it even harder to justify.

The +1 is really nice, but a comms relay might be a cheaper way...
I actually Like Hormagaunts, but you might want to trim some down, and lose some Rippers so you can add a Venothrope, a Walking list really needs Shrouding....

And even a flier strong list needs it for anti-Alpha protection.
I'm guessing the Flesh hooks are your shooting for the Warriors. I am not opposed to a Warrior+ Prime Pod assault, but you might want Adrenals to insure the charge arrives.

Toxic used to be a "go to" for me, but it took a nurf in 7Th...
Overall though it looks like a fun list, it just might benefit from a few tweaks here and there...