However, a more likely guess, given the context of a "solid piece," could be that you're thinking of "viscoelastic" but actually need "viscid" or another term.
Because the term is highly unique and potentially a misspelling, it would be helpful if you could provide a little more context: sixyvedioanemal
(e.g., is it from a book, a game, a specific website, or a technical field?) However, a more likely guess, given the context
(insects), you can find comprehensive data on their biology and behavior through the Smithsonian Institution Specific Software or File Names a more likely guess