@article {263, title = {Meropidia, a new genus of flower flies (Diptera: Syrphidae) from South America}, journal = {Papeis Avulsos De Zoologia}, volume = {35}, number = {9}, year = {1983}, pages = {109-115}, keywords = {Arthropods, BOLIVIA, Chapares \& Cochabamba, COLOMBIA, Cordillera, Dipterans/True Flies, ECUADOR, Insects, Invertebrates, Limon, Meropidia, Meropidia neurostigma Hippa, Meropidia rufa Thompson, Monte Socorro, New taxa, Syrphidae}, author = {Hippa, Heikki and Thompson, F. Christian} } @article {517, title = {The flower fly genus Ornidia (Diptera: Syrphidae)}, journal = {Proceedings of the Entomological Society of Washington}, volume = {93}, number = {2}, year = {1991}, pages = {248-260}, address = {Washington}, keywords = {Antioquia, Arthropods, COLOMBIA, Dipterans/True Flies, Insects, Invertebrates, New species, Ornidia, Ornidia obesa (Fabricius), Ornidia whiteheadi, PANAMA, Syrphidae}, url = {http://www.biodiversitylibrary.org/item/54815$\#$page/260/mode/1up}, author = {Thompson, F. Christian} } @article {264, title = {Revision of the Sterphus cybele species group (Diptera: Syrphidae)}, journal = {Proceedings Of The Entomological Society Of Washington}, volume = {96}, number = {3}, year = {1994}, pages = {483-495}, address = {Washington}, keywords = {Arthropods, BOLIVIA, Chiriqui Province, COLOMBIA, Coroice \& Yungas, COSTA RICA, Dipterans/True Flies, Insects, Invertebrates, Maracay, Monte Socorro, New species, New species Sterphus cydippe, New species Sterphus janzeni, New species Sterphus venezuelaensis, PANAMA, Rancho Grande, Sterphus calypso, Syrphidae, VENEZUELA}, author = {Hippa, Heikki and Thompson, F. Christian} }