Types in the natural history collections in Bulgaria — Theridium pirini Drensky, 1921 — specimen NMNHSINV0020
CLASSIFICATION
Taxon Theridium pirini Drensky, 1921
Regnum Animalia
Phylum/division Arthropoda
Class Arachnida
Order Araneae
Family Theridiidae
Genus Theridium
Species Theridium pirini