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| Class | Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Arachnida | Araneae | Araneidae | Alpaida versicolor | |||
| 2 | Arachnida | Micrathena sp. | |||||
| 3 | Arachnida | Lycosidae | Araña Lobo de Pastizal | Lycosa pampeana | |||
| 4 | Insecta | Odonata | Coenagrionidae | Homeoura chelifera | |||
| 5 | Insecta | Coleoptera | Scarabaeidae | Gymnetis chalcipes | |||
| 6 | Insecta | Orthoptera | Tettigoniidae | Conocephalus longipes | |||
| 7 | Insecta | Hemiptera | Coreidae | Pachylis argentinus |