| simulium callidum | | Costa Rica: San Jose, Rio Zapotal, First stream after Rio Buenavista | | 820958717 |
| simulium callidum | | Costa Rica: San Jose, Rio Zapotal, First stream after Rio Buenavista | | 820958761 |
| simulium callidum | | Costa Rica: San Jose, at San Gerardo de Rivas,Rio Blanco | | 820959195 |