From sub- + lustrous.
sublustrous (not comparable)
- Less than normally lustrous
2015 July 27, Miroslav Barták, Štěpán Kubík, “Palaearctic species of Rhamphomyia (Pararhamphomyia) anfractuosa group (Diptera, Empididae)”, in ZooKeys[1], →DOI:Abdomen microtrichose, with tergites 6 to 8 and sternite 8 lustrous and sternite 7 sublustrous.