Almeida MC, Laroca S (1988) Trigona spinipes (Apidae, Meliponinae): taxonomy, bionomy, and trophic relationships in restricted areas. Acta Biol Paran 17:67–108
Barbosa AAA (1999) Hortia brasiliana Vand. (Rutaceae): pollination by Passeriformes in cerrado, Southeastern Brazil. Rev Bras Bot 22:99–105
Biesmeijer JC, Ermers MCW (1999) Social foraging in stingless bees: how colonies of Melipona fasciata choose among nectar sources. Behav Ecol Sociobiol 46:129–140
Biesmeijer JC, Richter JAP, Smeets MAJP, Sommeijer MJ (1999) Niche differentiation in nectar-collecting stingless bees: the influence of morphology, floral choice and interference competition. Ecol Entomol 24:380–388
Bradbury J, Vehrencamp SL (1988) Principles of animal communication. Sinauer, Sunderland, Mass
Cameron SA, Whitfield JB (1996) Use of walking trails. Nature 379:125
Chittka L, Williams NM, Rasmussen H, Thomson JD (1999) Navigation without vision: bumblebee orientation in complete darkness. Proc R Soc Lond B Biol Sci:45–50
Cobert SA, Willmer PG (1980) Pollination of the yellow passion fruit: nectar, pollen and carpenter bees. J Agric Sci 95:655–666
Cooper WEJ, Vitt LJ (1987) Intraspecific and interspecific aggression in lizards of the scincid genus Eumeces: chemical detection of conspecific sexual competitors. Herpetologica 43:7–14
Cortopassi-Laurino M, Ramalho M (1988) Pollen harvest by Africanized Apis mellifera and Trigona spinipes in São Paulo: botanical and ecological views. Apidologie 19:1–24
Eltz T, Brühl CA, van der Kaars S, Chey VK, Linsenmair KE (2001) Pollen foraging and resource partitioning of stingless bees in relation to flowering dynamics in a Southeast Asian tropical rainforest. Insectes Soc 48:273–279
Eltz T, Brühl CA, van der Kaars S, Linsenmair KE (2002) Determinants of stingless bee nest density in lowland dipterocarp forests of Sabah, Malaysia. Oecologia 131:27–34
Ford NB, Low JR (1984) Sex pheromone source location by garter snakes: a mechanism of detection of direction in nonvolatile trails. J Chem Ecol 10:1193–1199
Gallo D, Nakano O, Silveira Neto S, Carvalho RPL, de Batista GC, Berti Filho E, Parra JRP, Zucchi RA, Alves SB, Vendramim JD (1988) Manual de entomologia agrícola, 2nd edn. Agronômica Ceres, São Paulo
Gill FB, Mack AL, Russell TR (1982) Competition between hermit hummingbirds Phaethorninae and insects for nectar in a Costa Rican rain forest. Ibis 124:44–49
Grasso FW (2001) Invertebrate-inspired sensory-motor systems and autonomous, olfactory-guided exploration. Biol Bull 200:160–168
Greenfield MD (2002) Signalers and receivers: mechanisms and evolution of arthropod communication. Oxford University Press, New York
Guilford T, Dawkins MS (1991) Receiver psychology and the evolution of animal signals. Anim Behav 42:1–14
Guilford T, Dawkins MS (1993) Receiver psychology and the design of animal signals. Trends Neurosci 16:430–436
Hölldobler B, Wilson EO (1990) The ants. Belknap Press of Harvard University Press, Cambridge, Mass
Hrncir M, Jarau S, Zucchi R, Barth FG (2004) On the origin and properties of scent marks deposited at the food source by a stingless bee, Melipona seminigra. Apidologie 35:3–13
Hubbell SP, Johnson LK (1978) Comparative foraging behavior of six stingless bee species exploiting a standardized resource. Ecology 59:1123–1136
Jarau S, Hrncir M, Zucchi R, Barth FG (2000) Recruitment behavior in stingless bee, Melipona scutellaris and M. quadrifasciata. I. Foraging at food sources differing in direction and distance. Apidologie 31:81–91
Jarau S, Hrncir M, Schmidt VM, Zucchi R, Barth FG (2003) Effectiveness of recruitment behavior in stingless bees (Apidae, Meliponini). Insectes Soc 50:365–374
Jarau S, Hrncir M, Zucchi R, Barth FG (2004) A stingless bee uses labial gland secretions for scent trail communication (Trigona recursa Smith 1863). J Comp Physiol A 190:233–239
Johnson LK (1974) The role of agonistic behavior in the foraging strategies of Trigona bees. PhD Thesis, University of California Berkeley
Johnson LK, Hubbell SP (1974) Aggression and competition among stingless bees: field studies. Ecology 55:120–127
Johnson LK, Hubbell SP (1987) Defense of food supply by eusocial colonies. Am Zool 27:347–358
Kerr WE (1960) Evolution of communication in bees and its role in speciation. Evolution 14:326–327
Kerr WE (1972) Orientação pelo sol em Trigona spinipes. Ciênc Cult Suppl:341–342
Kerr WE (1973) Sun compass orientation in the stingless bees, Trigona (Trigona) spinipes (Fabricius, 1793) (Apidae). An Acad Bras Ciênc 45:301–308
Kerr WE, Ferreira A, Simões de Mattos N (1963) Communication among stingless bees—additional data (Hymenoptera: Apidae). J N Y Entomol Soc 71:80–90
Kerr WE, Blum M, Fales HM (1981) Communication of food sources between workers of Trigona (Trigona) spinipes. Rev Bras Biol 41:619–623
Lindauer M, Kerr WE (1958) Die gegenseitige Verständigung bei den stachellosen Bienen. Z Vgl Physiol 41:405–434
Lindauer M, Kerr WE (1960) Communication between the workers of stingless bees. Bee World 41:29–41, 65–71
Martinez DE, Bullock SH (1990) Floral parasitism by social bees (Meliponinae, Apidae) on the chiropterophilous tree Crescentia alata (Bignoniaceae). Bol Soc Bot Mexico:69–76
Michener CD (1974) The social behavior of the bees. Harvard University Press, Cambridge, Mass
Michener CD (2000) The bees of the world. Johns Hopkins University Press, Baltimore
Nagamitsu T, Inoue T (1997) Aggressive foraging of social bees as a mechanism of floral resource partitioning in an Asian tropical rainforest. Oecologia 110:432–439
Nieh JC, Contrera FAL, Nogueira-Neto P (2003a) Pulsed mass-recruitment by a stingless bee, Trigona hyalinata. Proc R Soc Lond B 270:2191–2196
Nieh JC, Contrera FAL, Ramírez S, Imperatriz-Fonseca VL (2003b) Variation in the ability to communicate 3-D resource location by stingless bees from different habitats. Anim Behav 66:1129–1139
Nieh JC, Barreto LS, Contrera FAL, Imperatriz-Fonseca VL (2004) Olfactory eavesdropping by a competitively foraging stingless bee, Trigona spinipes. Proc R Soc Lond B (in press)
Ramalho M, Giannini C, Malagodi-Braga KS, Imperatriz-Fonseca VL (1994) Pollen harvest by stingless bee foragers (Hymenoptera, Apidae, Meliponinae). Grana 33:239–244
Roubik DW (1978) Competitive interactions between neotropical pollinators and Africanized honey bees. Science 201:1030–1032
Roubik DW (1980) Foraging behavior of competing Africanized honeybees and stingless bees. Ecology 61:836–845
Roubik DW (1982) Seasonality in colony food storage, brood production, and adult survivorship: studies of Melipona in tropical forest (Hymenoptera: Apidae). J Kans Entomol Soc 55:789–800
Roubik DW (1989) Ecology and natural history of tropical bees. Cambridge University Press, New York
Sazima I, Sazima M (1989) Carpenter bees and stingless honeybees (Hymenoptera, Apoidea): visiting, interactions and consequences for the pollination of the passionflower (Passifloraceae). Rev Bras Entomol 33:109–118
Schmidt VM, Zucchi R, Barth FG (2003) A stingless bee marks the feeding site in addition to the scent path (Scaptotrigona aff. deplis). Apidologie 34:237–248
Silva MM, Buckner CH, Picanço M, Cruz CD (1997) Influência de Trigona spinipes Fabr. (Hymenoptera: Apidae) na Polinização do Maracujazeiro Amarelo. An Soc Entomol Bras 26:217–221
Slaa EJ, Wassenberg J, Biesmeijer JC (2003) The use of field-based social information in eusocial foragers: local enhancement among nestmates and heterospecifics in stingless bees. Ecol Entomol 28:369–379
Sokal RR, Rohlf FJ (1981) Biometry, 2nd edn. Freeman, New York
Vitt LJ, Cooper WEJ (1985) The evolution of sexual dimorphism in the skink Eumeces laticeps: an example of sexual selection. Can J Zool 63:995–1002
von Frisch K (1967) The dance language and orientation of bees, 1993 edn. Belknap, Cambridge, Mass
Willmer PG, Corbet SA (1981) Temporal and microclimactic partitioning of the floral resources of Justica aurea amongst a concourse of pollen vectors and nectar robbers. Oecologia 51:67–78