roachlike

“A nice Deletrius spell on Ron's little sister, too minor for anyone to miss if she died, would thin the Weasleys 'roachlike brood.”

Which Harry Potter Character Gets Whacked?

“There was a Brainbox, the roachlike Tek chips, and the electrodes to hook up the box to your skull.”

Tek Lab

“Scientific American article on transparent marine animals: siphonophores, Venus's girdles, jellyfish, and roachlike creatures whose needle-shaped guts rendered their partly digested but still-opaque contents as inconspicuous as possible.”

Slate Magazine