Table 1. Colony demographies and nest measurements of six excavated Cyatta abscondita nests, including depths and dimensions of individual chambers, chamber contents, fungus garden morphology, ant demographics, and additional natural history information.
CHAMBER DIMENSIONS (cm) |
|||||||||
---|---|---|---|---|---|---|---|---|---|
Nest | Locality | Collection code | Date | Chamber number | Depth (cm) | Height | Width | Depth | Demography, garde morphology, notes |
1 | FAL | JSC100412-01 | April 12-18, 2010 | 1 | 70 | 1.2 | 3 | N/A | 2 pendant garden filaments |
2 | 70 | 1.5 | 2.5 | N/A | empty; 3 polydesmid millipedes | ||||
3 | ~75 | 2.5 | 5 | 5 | 24 pendant garden filaments | ||||
4 | 80 | 2.5 | 3.5 | N/A | pendant garden; 8 workers (1 callow) | ||||
2 | FAL | JSC100416-01 | April 17-18, 2010 | 1 | 40 | 0.5 | 1 | N/A | small pendant garden; no ants |
2 | 46 | 1.5 | 2.5 | N/A | small pendant garden; 2 workers | ||||
3 | 50 | 0.5 | 1 | N/A | empty | ||||
4 | 55 | 2 | 3 | N/A | small pendant garden; 2 workers | ||||
5 | 56 | 2.6 | 3 | N/A | pendant garden; 2 workers | ||||
6 | 61 | 2.5 | 5.5 | N/A | empty | ||||
7 | 71 | 2.5 | 3 | N/A | pendant garden; some workers; dealate gyne | ||||
3 | FAL | JSC110919-02 | September 19, 2011 | 1 | 29 | 1.5 | 5.5 | 1.3 | empty |
2 | 35 | 2 | 3 | 1.2 | pendant garden; 1 workers | ||||
3 | 44 | 1.5 | 2 | 0.5 | small pendant garden; a couple of workers; dealate gyne | ||||
4 | FAL | JSC110920-01 | September 20, 2011 | 1 | 38 | 2 | 3 | 1 | small pendant garden |
2 | 42 | 3 | 2 | 2 | 2 workers | ||||
3 | 43.5 | 2 | 2.5 | 3 | 2 workers | ||||
4 | 46 | 2 | 3 | 1.5 | 15-20 pendant garden filaments | ||||
5 | 50 | 1.5 | 1.5 | 1.5 | small pendant garden; 2 workers | ||||
6 | 59.5 | 1.5 | 3.5 | 1.2 | large pendant garden; 7 workers | ||||
7 | 82 | 1.8 | 2.5 | 3 | large pendant garden; 4 workers | ||||
8 | 104 | 1.9 | 4 | 3.5 | large pendant garden; several workers; larvae; dealate gyne | ||||
5 | Broa | CR110721-05 | July 21, 2011 | 1 | 52 | 1.5 | 3 | N/A | fungus garden; 13 workers |
CR110721-04 | 2 | 80 | 1.5 | 5 | N/A | ~50 pendant garden filaments; 10 workers; 1 male | |||
CR110721-08 | 3 | 130 | 1 | 2.5 | N/A | fungus garden; 3 workers | |||
CR110721-07 | 4 | 160 | ? | ? | ? | fungus garden; no ants; chamber collapsed during excavation | |||
6 | Broa | CR110726-09 | July 26-28, 2011 | 1 | 102 | ? | ? | ? | fungus garden; 3 workers; chamber collapsed during excavation |
CR110728-01 | 2 | 195 | 1 | 3 | N/A | fungus garden; 4 workers |
For each nest, chambers are arranged according to depth, descending from the shallowest to deepest chambers. Chamber height refers to the chamber's vertical axis, chamber width to the horizontal axis parallel to the plane of excavation, and chamber depth to the horizontal axis perpendicular to the plane of excavation. FAL: fazenda Água Limpa, Brasília; Broa: Broa preserve, Itirapina; see text for more details.