Universal Chalcidoidea Database

Distribution references

Records of Pachyneuron formosum Walker, 1833 in Italy:

Records 1 - 3 of 3
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Ferrari, R.; Burgio, G.; Pozzati, M.; Zwakhals, K. 1998, Records of parasitoids of syrphids (Diptera) in Emilia-Romagna. Informatore Fitopatologico 48(4):76-80    
Garrido Torres, A.M.; Nieves-Aldrey, J.L. 1999, Pteromalids from the Autonomus Community of Madrid (CAM) (Spain): faunistics and catalogue (Hymenoptera: Chalcidoidea: Pteromalidae). Graellsia 55:67,68    
Graham, M.W.R. de V. 1969, The Pteromalidae of north-western Europe (Hymenoptera: Chalcidoidea). Bulletin of the British Museum (Natural History) (Entomology) Supplement 16:837     view Graham, M.W.R. de V.  (1969) in PDF format