| simulium quadrivittatum | | Costa Rica: Cartago, La Union, San Ramon, cerca del Rio Torres | | 820958561 |
| simulium quadrivittatum | | Costa Rica: Cartago, La Union, San Ramon, cerca del Rio Torres | | 820958343 |
| simulium quadrivittatum | | Costa Rica: Cartago, Cerro de la Muerte, Rd San Jose to Villa Mills, unnamed stream, Reserva Rio Macho, Estacion Villa Mills, at 500m from Stn. on Sendero Educativo | | 820958229 |
| simulium quadrivittatum | | Costa Rica: Cartago, La Union, San Ramon, cerca del Rio Torres | | 820958159 |
| simulium quadrivittatum | | Costa Rica: Cartago, Dirt rd from Tapanti N. P. Post back to Orosi, unnamed stream | | 820958109 |
| simulium quadrivittatum | | Costa Rica: Cartago, Rd San fromTurrialba to San Jose, Rio Sereno | | 820959193 |
| simulium quadrivittatum | | Costa Rica: Cartago, Rd San fromTurrialba to San Jose, Rio Sereno | | 820958723 |