| Subject | English | Spanish |
| vet.med. | buffalo gnat | mosca negra Simulium |
| vet.med. | buffalo gnat | mosquito reptador Simulium |
| vet.med. | buffalo gnat | simulio Simulium |
| health., nat.res. | common gnat | mosquito (Culex pipiens, Culex pipiens pipiens) |
| health., nat.res. | common gnat | mosquito común (Culex pipiens, Culex pipiens pipiens) |
| nat.res., agric. | fungus gnat | sciarida |
| nat.res., agric. | fungus gnat | mosquito |
| agric. | gall gnat | cecidómido (Cecidomyidae, Itonidae) |
| agric. | gall gnat | mosca de las agallas (Cecidomyidae, Itonidae) |
| agric. | gall gnat | cecidomia (Cecidomyidae, Itonidae) |
| health., nat.res. | house gnat | mosquito común (Culex pipiens, Culex pipiens pipiens) |
| health., nat.res. | house gnat | mosquito (Culex pipiens, Culex pipiens pipiens) |