Research Article
Discrimination of the Social Parasite Ectatomma parasiticum by Its Host Sibling Species (E. tuberculatum)
Table 1
Composition of the Ectatomma tuberculatum colonies sampled in three sites of Apazapan between September 1999 and November 2011.
| | Date | Site Apz1 | Site Apz2 | Site Apz3 | | of colonies | of workers | of colonies | of workers | of colonies | of workers | | Collected | Parasitized | Polygynous | Median (range) | Collected | Parasitized | Polygynous | Median (range) | Collected | Parasitized | Polygynous | Median (range) |
| | September 1999 | 3 | 3 | 1 | 51 (12–120) | — | — | — | — | — | — | — | — | | June-July 2000 | 21 | 12 | 3 | 118 (15–428) | — | — | — | — | — | — | — | — | | March-April 2002 | 19 | 0 | 4 | 178 (64–358) | 7 | 0 | 0 | 146 (55–243) | 6 | 0 | 3 | 139 (51–225) | | January 2009 | 8 | 0 (3*) | 4 | 263 (163–341) | 15 | 0 | 5 | 198 (46–287) | — | — | — | — | | September 2010** | — | — | — | — | 8 | 0 | 2 | 68 (47–150) | — | — | — | — | | November 2011 | 4 | 0 | 0 | 162 (95–383) | 4 | 0 | 2 | 242 (74–254) | 3 | 0 | 2 | 94 (57–148) |
| | Total | 55 | 18 | 12 | 157 (12–428) | 34 | 0 | 9 | 146.5 (46–287) | 9 | 0 | 5 | 99 (51–225) |
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—: no sampled data; *emergence of parasites from larvae collected in field; **data from Pérez-Lachaud et al. [38].
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