Tenants of the Missing Metres: Territoriality on Core-Loss Blocks in an Undetermined Dolichopodid (Diptera: Dolichopodidae) of a Drill-Core Shed Resolving to Tenants of the Missing Metres: Territoriality on Core-Loss Blocks in an Undetermined Dolichopodid (Diptera: Dolichopodidae) of a Drill-Core Shed…