Larvae of Dioedus punctatus LeConte have been collected from logs, probably Ulmus americana, in the red-rotten stage of decay and determined from reared adults. They are described and illustrated.
Young, Daniel K.
"Description of the Larva of Dioedus Punctatus LeConte (Coleoptera: Tenebrionidae),"
The Great Lakes Entomologist, vol 9
Available at: https://scholar.valpo.edu/tgle/vol9/iss1/6