Condição da colônia e alterações bionômicas em Geotrigona inusitata (Apidae, Meliponinae)

Lacerda, L. de M.; Zucchi, Ronaldo; Zucoloto, Fernando Sérgio

doi:10.5380/abpr.v20i0.766

Cited by 12 publications

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“…Usually, weaker colonies produce smaller bees than their stronger counterparts (Lacerda et al, 1991) and larger bees forage earlier (Käpylä, 1974), a fact confirmed by Hilário et al (1998), through chronobiological analysis of Melipona bicolor bicolor. However, the pollen collection pattern in both colonies changed according to the length of the day and climatic period considered.…”

Section: Discussionmentioning

confidence: 53%

“…However, the external activity depends on the body size of the insects. Larger species usually fly at lower temperatures and light intensities than their smaller counterparts (Käpylä, 1974) and strong colonies produce larger bees than the intermediate and weak ones (Lacerda et al, 1991). In Melipona bicolor bicolor, foragers of stronger colonies begin flight activity earlier and at lower temperatures than those of intermediate and weak colonies (Hilário et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

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Foraging behavior of Melipona rufiventris Lepeletier (Apinae; Meliponini) in Ubatuba, SP, Brazil

Fidalgo

Kleinert

2007

Braz. J. Biol.

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This study describes how the foraging activity of Melipona rufiventris is influenced by the environment and/or by the state of a colony. Two colonies were studied in Ubatuba, SP (44° 48' W and 23° 22' S) from July/2000 to June/2001. These colonies were classified as strong (Colony 1) and intermediate (Colony 2) according to their general conditions: population and brood comb size and number of food pots. The bees were active from dawn to dusk. The number of pollen loads presented a positive correlation with relative humidity (r s = 0.401; p <0.01) and was highest between 70 and 90%. However, it was negatively correlated with temperature (r s = -0.228; p <0.01) showing a peak between 18 and 23 °C. The number of nectar loads presented a positive correlation with temperature (r s = 0.244; p <0.01) and light intensity (r s = 0.414; p <0.01); it was greater between 50 and 90% of relative humidity and 20 and 30 °C of temperature. They collected more nectar than pollen throughout the day, and were more active between 6 and 9 hours. Workers from Colony 1 (strong) collected nectar in greater amounts and earlier than those from Colony 2 (intermediate). The number of pollen, nectar and resin loads varied considerably between the study days. Peaks of pollen collection occurred earlier in months with longer days and in a hotter and more humid climate. The foraging behavior of M. rufiventris is probably affected by the state of the colony and by environmental conditions, notably temperature, relative humidity, light intensity and length of the day.Keywords: Melipona rufiventris, Apinae, Meliponini, foraging behavior, nectar, pollen. Comportamento de forrageamento de Melipona rufiventrisLepeletier (Apinae; Meliponini) em Ubatuba, SP, Brasil ResumoEste estudo descreve como a atividade de forrageamento de Melipona rufiventris é influenciada pelo ambiente e/ou pelo estado da colônia. Duas colônias foram estudadas em Ubatuba, SP (44° 48' W and 23° 22' S), de julho de 2000 a junho de 2001. Estas colônias foram classificadas como forte (Colônia 1) e intermediária (Colônia 2), de acordo com as condições gerais das mesmas: tamanho da população e dos favos de cria e número de potes de alimento. As abelhas foram ativas do amanhecer ao anoitecer. O número de cargas de pólen apresentou correlação positiva com a umidade relativa (r s = 0,401; p <0,01) e foi maior entre 70 e 90%. Entretanto, foi negativamente relacionado com a temperatura (r s = -0,228; p <0,01), com pico entre 18 e 23 °C. O número de cargas de néctar apresentou correlação positiva com a temperatura (r s = 0,224; p <0,01) e com a intensidade luminosa (r s = 0,414; p <0,01); sendo maior entre 50 e 90% de umidade relativa e entre 20 e 30 °C de temperatura. Elas coletaram mais néctar do que pólen ao longo do dia, sendo mais ativas entre 6 e 9 hours. A Colônia 1 (forte) coletou néctar em maiores quantidades e mais cedo que a colônia 2 (intermediária). O número de cargas de pólen, néctar e resina coletadas variou consideravelmente entre os dias de estudo. Os picos de col...

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Section: Discussionmentioning

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Foraging behavior of Melipona rufiventris Lepeletier (Apinae; Meliponini) in Ubatuba, SP, Brazil

Fidalgo

Kleinert

2007

Braz. J. Biol.

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“…They verified that the smaller bees carried more pollen in each trip than the larger ones, and that bees of weak colonies also brought more pollen in each trip in relation to the weight than bees of strong colonies. Lacerda et al (1991) also mentioned that weak colonies of Geotrigona inusitata produced smaller bees than the strong ones.…”

Section: Introductionmentioning

confidence: 99%

“…Camillo-Atique (1974 verified the influence of the strength of the colonies in the behavior of Melipona rufiventris and Friesella schrottkyi. Lacerda et al (1991) discussed for Geotrigona inusitata behavioral changes in weak, medium and strong colonies based on the variation of the population size of the nests, having mentioned alterations in the workers size and in the flight activity, although this last aspect has not been quantified. Kleinert-Giovannini & Imperatriz-Fonseca (1986) had already verified that external activity could be influenced by the strength of the colony.…”

Section: Introductionmentioning

confidence: 99%

Flight activity and colony strength in the stingless bee Melipona bicolor bicolor (Apidae, Meliponinae)

Hilário¹,

Imperatriz-Fonseca²,

Kleinert³

2000

Rev. Bras. Biol.

101

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o 55'W), Atlantic Forest, was studied in ten colonies, and in two periods: from July to September 1993 and from August to September 1995. The colonies were grouped in weak, medium and strong, according to the diameter of the combs, which can provide a good idea of the number of cells built. 855 observations were accomplished for 5 minutes, every half-hour, from 8 to 18 hours. The total number of bees that entered and left the hive and the number of bees that arrived with mud, pollen and resin, besides the number that went out with debris in that period were counted. It was also registered the temperature and the relative humidity of the air. The total external activity, as well as pollen collection, was maximum in the first hours of the morning, mainly in strong colonies. Weak colonies moved their maximum activity approximately to 12 hours. Pollen collection declined gradually, while mud and resin collection rose; removal of debris was greater in the beginning of the morning and in the end of the afternoon. Flight activity increased as relative humidity of the air rose, being optimum for strong colonies in the range between 80%-89%, and for the weakest colonies between 70%-79%. The minimum temperature observed for exit of the bees was 11 o C, with optimum temperatures ranging between 17 o C and 22 o C. The results showed that the general state of the colony influences the different strategies of food collection and that these bees should be adapted to environments of high relative humidity as the Atlantic forest.Key words: stingless bees, flight activity, climate conditions, resource collection. RESUMOA influência do estado da colônia na atividade de vôo do meliponíneo Melipona bicolor bicolor Lepeletier (Apidae, Meliponinae)A atividade de vôo de Melipona bicolor bicolor, proveniente de Cunha (23 o 05'S, 44 o 55'W), Mata Atlântica, foi estudada em dez colônias, em dois períodos: de julho a setembro de 1993 e de agosto a setembro de 1995. As colônias foram agrupadas em fracas, médias e fortes, segundo o diâmetro dos favos de cria, que pode fornecer uma idéia do número de células de cria construídas. Foram realizadas 855 observações durante 5 minutos, a cada meia hora, das 8 às 18 horas, quando era contado o número total de abelhas que entravam e saíam, o número de abelhas que chegava com barro, pólen e resina, além do número que saía com detritos das colméias naquele período. Foram também registradas a temperatura e a umidade relativa do ar. A atividade externa total, assim como a coleta de pólen, foi máxima nas primeiras horas da manhã, principalmente nas colônias fortes. Colônias fracas deslocaram a atividade máxima para as 12 horas, aproximadamente. A coleta de pólen declinou gradualmente,

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“…Additionally, regardless of the characteristics of the resource and habitat, the individual´s body size can also be determinant in their ability to exploit resources (Mittelbach 1981, Ramalho et al 1994. Size variation of worker, within-colony, is well documented for the Apidae group, including the stingless bees Meliponinae (Lacerda et al 1991). For most organisms, the largest individuals are generally stronger and more experienced, and could therefore indicate a greater capacity for carrying and manipulating resources (Schoener 1971, Polis 1984.…”

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confidence: 99%

Removal of clay by stingless bees: load size and moisture selection

Costa‐Pereira

2014

An. Acad. Bras. Ciênc.

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Some organisms disperse energy, associated with the transportation of resource, which is not necessarily food. Stingless bees of Central Amazonia (Melipona flavolineata and M. lateralis) collect clay in banks along streams for nest building. The moisture of the clay varies along the bank, and bees collect clay from specific location, indicating that there is some sort of preference regarding their selection. This study aims at identifying: if larger bees carry more clay; if there is a preference for moisture of substrates; and if bees are less efficient accumulating and transporting clay when it is wet. In order to do so, I measured the size of the bees and of the pellets of clay found in the corbicula. I set up a field experiment to test substrate preferences. The amount of clay transported, increased exponentially in accordance to the size of the bee, and the preferred substrate was the driest clay. The amount and the efficiency of removal of clay were not affected by the moisture of the substrate. Despite the wet clay being denser, it does not reduce the efficiency of exploitation of the resource, but suggests that bees spend more energy to carry the same quantity of wet clay, which may be the underlying mechanism explaining their preference for removing drier clay.

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Condição da colônia e alterações bionômicas em Geotrigona inusitata (Apidae, Meliponinae)

Abstract: Condição da colônia e alterações bionômicas em Geotrigona inusitata (Apidae, Meliponinae)

Cited by 12 publications

References 0 publications

Foraging behavior of Melipona rufiventris Lepeletier (Apinae; Meliponini) in Ubatuba, SP, Brazil

Foraging behavior of Melipona rufiventris Lepeletier (Apinae; Meliponini) in Ubatuba, SP, Brazil

Flight activity and colony strength in the stingless bee Melipona bicolor bicolor (Apidae, Meliponinae)

Removal of clay by stingless bees: load size and moisture selection

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