Plinachtus umbricolus Linnavuori 1978

Linnavuori 1978. Hemiptera of the Sudan, with remarks on some species of the adjacent countries 6. Aradidae, Meziridae, Aneuridae, Pyrrhocoridae, Stenocephalidae, Coreidae, Alydidae, Rhopalidae, Lygaeidae. Acta Zoologica Fennica, No. 153 1978: 1-108