First personal record of each species by Fabián Marcelo Acosta (lifers)
Species by Date 1 to 6 of 6
| Group | Species | Place | Date | Detail | |
 | Insectos | (Azya luteipes) | General Alvarado, Buenos Aires, Argentina | 01/29/2024 |  |
| | Arácnidos | (Latrodectus mirabilis) | Mechongüe, Buenos Aires, Argentina | 02/04/2023 | |
| | Arácnidos | (Vectius niger) | Mar del Sud, Buenos Aires, Argentina | 10/09/2020 | |
| | Arácnidos | (Lycosa pampeana) | Partido de General Alvarado, Buenos Aires, Argentina | 03/20/2020 | |
| | Arácnidos | (Menemerus semilimbatus) | Miramar, Buenos Aires, Argentina | 02/13/2020 | |
| | Arácnidos | (Badumna longinqua) | Partido de General Alvarado, Buenos Aires, Argentina | 01/29/2020 | |
Species by Date 1 to 6 of 6