''Xylophagus decorus'' is a species of

fly Flies are insects of the Order (biology), order Diptera, the name being derived from the Ancient Greek, Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwing ...

in the family

Xylophagidae The Brachyceran infraorder Xylophagomorpha is a small group that consists solely of the family Xylophagidae, which presently contains subfamilies that were sometimes considered to be two small related families (Coenomyiidae and Rachiceridae). ...

Distribution

Canada, United States.

References

Xylophagidae Taxa named by Samuel Wendell Williston Insects described in 1885 Diptera of North America {{Xylophagomorpha-stub