Resembles G. rubellum and G. geniculosum. Prosoma orange-brown, with darker markings and margins. Raised anteriorly in the male, with short sulci behind the lateral eyes. Opisthosoma grey-pink. Sternum red-brown. Legs orange. Palp: tibial basal lateral apophysis long and curved distally.
Prosoma length: 1.4 mm.Body length male: 2.9 mm
Prosoma length: 1.3-1.6 mm.Body length female: 3-3.7 mm
Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)
Deltshev C (1985a) A contribution to the study of the family Erigonidae (Araneae) from Pirin Mountain, Bulgaria, with a description of a new species (Metopobactrus orbelicus sp. n.). Bulletin of the British Arachnological Society 6: 359-366