Leaf-cutter ants with worn mandibles cut half as fast, spend twice the energy, and tend to carry instead of cut

Behavioral Ecology and Sociobiology

Volumn 65, Issue 5, 2011, Pages 969-982

  Schofield, Robert M S ^a   Emmett, Kristen D ^a   Niedbala, Jack C ^a   Nesson, Michael H ^b  

^a UNIVERSITY OF OREGON   (United States)

^b OREGON STATE UNIVERSITY   (United States)

Author keywords

Aging; Atta cephalotes; Cutting rate; Energetics; Task allocation; Task partitioning; Wear

Indexed keywords

AGING; ANT; BEHAVIORAL ECOLOGY; BIOENERGETICS; COLONY FOUNDING; EUSOCIALITY; NICHE PARTITIONING; PRISTINE ENVIRONMENT; RESOURCE ALLOCATION; TOOTH;

ATTA CEPHALOTES; FORMICIDAE;

EID: 79955046327     PISSN: 03405443     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00265-010-1098-6     Document Type: Article

References (32)

1. Aiken LS, West SG (1991) Multiple regression: testing and interpreting interactions. Sage, Newbury Park, California.
2. Anderson C, Ratnieks FLW (2000) Task partitioning in insect societies: novel situations. Insectes Sociaux 47: 198-199.
3. Arathi HS, Ho G, Spivak M (2006) Inefficient task partitioning among nonhygienic honeybees, Apis mellifera L., and implications for disease transmission. Animal Behavior 72: 431-438.
4. Burd M (1996) Foraging performance by Atta colombica, a leaf-cutting ant. Am Nat 148: 597-612.
5. Burd M, Howard JJ (2005) Central-place foraging continues beyond the nest entrance: the underground performance of leaf-cutting ants. Animal Behaviour 70: 737-744.
6. Chapman RF (1964) The structure and wear of the mandibles in some African grasshoppers. Proc Zool Soc London 142: 107-121.
7. Clark E (2006) Dynamic matching of forager size to resources in the continuously polymorphic leaf-cutter ant, Atta colombica (Hymenoptera, Formicidae). Ecol Entomol 31: 629-635.
8. Gordon DM (1996) The organization of work in social insect colonies. Nature 380: 121-124.
9. Hart AG, Anderson C, Ratnieks FLW (2002) Task partitioning in leafcutting ants. Acta Ethologica 5: 1-11.
10. Hölldobler B, Wilson EO (2009) The superorganism. Norton, New York.
11. Howard JJ (1988) Leafcutting ant diet selection: relative influence of leaf chemistry and physical features. Ecology 69: 250-260.
12. Josephson RK, Malamud JG, Stokes DR (2001) The efficiency of an asynchronous flight muscle from a beetle. J Exp Bio 204: 4125-4139.
13. Moron D, Witek M, Woyciechowski M (2007) Division of labour among workers with different life expectancy in the ant Myrmica scabrinodis. Anim Behav 75: 345-350.
14. Nichols-Orians CM, Schultz JC (1989) Leaf toughness affects leaf harvesting by the leaf cutter ant, Atta cephalotes (L.) (Hymenoptera: Formicidae). Biotropica 21: 80-83.
15. Nichols-Orians CM, Schultz JC (1990) Interactions among leaf toughness, chemistry, and harvesting by attine ants. Ecol Entomol 15: 311-320.
16. Oettler J, Johnson RA (2009) The old ladies of the seed harvester ant Pogonomyrmex rugosus: foraging performed by two groups of workers. J Insect Behav 22: 217-226.
17. Quinlan RJ, Cherrett JM (1979) The role of fungus in the diet of the leaf-cutting ant Atta cephalotes (L.). Ecol Entomol 4: 151-160.
18. Ratnieks FLW, Anderson C (1999) Task partitioning in insect societies. Insectes Sociaux 46: 95-108.
19. Raupp MJ (1985) Effects of leaf toughness on mandibular wear of the leaf beetle Plagiodera versicolora. Ecol Entomol 10: 73-79.
20. Roces F, Hölldobler B (1994) Leaf density and a trade-off between load-size selection and recruitment behavior in the ant Atta cephalotes. Oecologia 97: 1-8.
21. Roces F, Lighton JRB (1995) Larger bites of leaf-cutting ants. Nature 373: 392-393.
22. Roitberg BD, Gillespie DR, Quiring DMJ, Alma CR, Jenner WH, Perry J, Peterson JH, Saloman M, VanLaerhoven S (2005) The cost of being an omnivore: mandible wear from plant feeding in a true bug. Naturwissenschaften 92: 431-434.
23. Schofield RMS, Nesson MH, Richardson KA (2002) Tooth hardness increases with zinc-content in mandibles of young adult leaf-cutter ants. Naturwissenschaften 89: 579-583.
24. Schofield RMS, Nesson MH, Richardson KA (2003) Zinc is incorporated into cuticular "tools" after ecdysis: the time course of zinc accumulation in "tools" and whole bodies of an ant and a scorpion. J Insect Physiol 49: 31-44.
25. Schofield RMS, Niedbala JC, Nesson MH, Tao Y, Shokes JE, Scott RA, Latimer MJ (2009) Br-rich tips of calcified crab claws are less hard but more fracture resistant: a comparison of biomineralized and heavy-element biomaterials. J Struct Biol 166: 272-287.
26. Stradling DJ (1978) The influence of size on foraging in the ant, Atta cephalotes, and the effect of some plant defense mechanisms. J Anim Ecol 47: 173-188.
27. Tanton MT (1962) The effect of leaf "toughness" on the feeding of larvae of the mustard beetle Phaedon cochleariae Fab. Entomol Exp Appl 5: 74-78.
28. Tautz J, Roces F, Hölldobler B (1995) Use of sound-based vibratome by leaf-cutting ants. Science 267: 84-87.
29. Wetterer JK (1991) Allometry and the geometry of leaf-cutting in Atta cephalotes. Behav Ecol Sociobiol 29: 347-351.
30. Wilson EO (1980) Caste and division of labor in leaf-cutter ants (Hymenoptera: Formicidae: Atta) I. The overall pattern in A. sexdens. Behav Ecol Sociobiol 7: 143-156.
31. Wirth R, Herz H, Ryel RJ, Beyschlag W, Hölldobler B (2003) Herbivory of leaf-cutting ants. Springer, Berlin.
32. Woyciechowski M, Moron D (2009) Life expectancy and onset of foraging in the honeybee (Apis mellifera). Insectes Sociaux 56: 193-201.