Propalticidae References Propalticidae insect family Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Coleoptera/ Annotated classification Family Propalticidae About 20 species in Old World warm regions. Family Protocucujidae 2 species; Chile and Australia; similar to Sphindidae. Family Silvanidae (flat grain beetles) Closely related to Cucujidae; some feed on grain ( Read More Family Propalticidae About 20 species in Old World warm regions. Family Protocucujidae 2 species; Chile and Australia; similar to Sphindidae. Family Silvanidae (flat grain beetles) Closely related to Cucujidae; some feed on grain ( Read More