Table 1.
Ant species collected in Argentine ant invaded and uninvaded citrus orchards of Algarve, Portugal.
| Subfamily | Number of Specimens | Number of Orchards in Which Each Ant Species Was Found | ||||||
|---|---|---|---|---|---|---|---|---|
| Uninvaded Orchards (N = 12) |
Invaded Orchards (N = 12) |
Uninvaded Orchards (N = 12) |
Invaded Orchards (N = 12) |
|||||
| Ant Species | ||||||||
| N | % | N | % | N | % | N | % | |
| Dolichoderinae | ||||||||
| Linepithema humile | 0 | 0 | 5153 | 86.37 | 0 | 0 | 12 | 100 |
| Tapinoma madeirense | 22 | 0.44 | 0 | 0 | 2 | 16.67 | 0 | 0 |
| Tapinoma nigerrimum | 835 | 16.82 | 2 | 0.03 | 8 | 66.67 | 1 | 8.33 |
| Tapinoma simrothi | 32 | 0.64 | 7 | 0.12 | 6 | 50.00 | 1 | 8.33 |
| Formicinae | ||||||||
| Camponotus gestroi | 0 | 0 | 1 | 0.02 | 0 | 0 | 1 | 8.33 |
| Camponotus lateralis | 6 | 0.12 | 0 | 0 | 1 | 8.33 | 0 | 0 |
| Camponotus micans | 25 | 0.50 | 0 | 0 | 1 | 8.33 | 0 | 0 |
| Camponotus sylvaticus | 12 | 0.24 | 3 | 0.05 | 4 | 33.33 | 1 | 8.33 |
| Formica cunicularia | 24 | 0.48 | 0 | 0 | 2 | 16.67 | 0 | 0 |
| Lasius grandis | 2099 | 42.28 | 0 | 0 | 10 | 83.33 | 0 | 0 |
| Plagiolepis pygmaea | 1159 | 23.35 | 783 | 13.12 | 10 | 83.33 | 12 | 100 |
| Plagiolepis schmitzii | 224 | 4.51 | 3 | 0.05 | 7 | 58.33 | 2 | 16.67 |
| Myrmicinae | ||||||||
| Aphaenogaster senilis | 4 | 0.08 | 0 | 0 | 2 | 16.67 | 0 | 0 |
| Crematogaster auberti | 41 | 0.83 | 4 | 0.07 | 2 | 16.67 | 1 | 8.33 |
| Crematogaster scutellaris | 33 | 0.66 | 1 | 0.02 | 4 | 33.33 | 1 | 8.33 |
| Crematogaster sordidula | 56 | 1.13 | 9 | 0.15 | 3 | 25.00 | 1 | 8.33 |
| Messor barbarus | 4 | 0.08 | 0 | 0 | 3 | 25.00 | 0 | 0 |
| Pheidole pallidula | 388 | 7.82 | 0 | 0 | 8 | 66.67 | 0 | 0 |
| Total Number of Specimens (N) | 4964 | 5966 | ||||||
| Species Richness (S) | 16 | 10 | ||||||