Two new cocoon-forming beetles (Coleoptera: Cucujoidea: Bothrideridae) from Baltic amber

New extinct representatives of the family Bothrideridae Erichson, 1845 are described and illustrated from Baltic amber: Pseudobothrideres rugiorum sp.nov. and P. criwecriwayto sp.nov. All known fossil bothriderid beetles are discussed, compared and keyed.