Periodic mass flights of <i>Apis laboriosa</i> in Nepal

Woyke, J.; Wilde, J.; Wilde, Maria

doi:10.1051/apido:2003002

Cited by 23 publications

(21 citation statements)

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“…Description of MFAs in the giant honey bee, A. dorsata and A. laboriosa , mostly focused on the flight behavior, but there are two studies that reported an increased disorder and the occurrence of Dynamics of the bee curtain in Apis florea gaps in the bee curtain shortly before a MFA (Woyke et al 2003(Woyke et al , 2004. MFAs in A. florea and the giant honey bee species appear to be very similar with respect to flight behavior, but there might be differences in the initiation and preparation of the MFA due to differences in the organization of the curtain and the nest.…”

Section: Occurrence and Temporal Dynamics Of Mfamentioning

confidence: 99%

“…For instance, a number of different collective defensive movement patterns and sounds produced by the workers in the curtain have been reported (Kastberger et al 2011;Fuchs and Tautz 2011). In addition, a unique form of a short-lived Bmassed flight activity^(MFA) was observed in A. dorsata and A. laboriosa colonies, but the function of this behavior is still unclear (Batra 1996;Kastberger et al 1996;Woyke et al 2003).…”

Section: Introductionmentioning

confidence: 99%

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Structural and temporal dynamics of the bee curtain in the open-nesting honey bee species, Apis florea

2016

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-Workers of open-nesting honey bee species form a bee curtain to cover the comb and protect it against adverse environmental conditions and predators. We studied different aspects of structural and temporal dynamics of the bee curtain in Apis florea . First, in the course of daily observations, we discovered massed flight activity (MFA) of A. florea colonies similar to that previously described for A. dorsata . The MFAs started with the opening of gaps in the curtain and appearance of chains of bees shortly before the massed take off. Second, monitoring the worker movement patterns in the outer layer indicated a constant turnover of bees in the curtain. Finally, introduction of marked 1-day-old workers showed that workers joined the curtain at a very young age. First flight activity appeared around day 20, but the majority of workers started to fly after day 47, which is twice the age at which A. mellifera workers start to forage.Apis florea / open-nesting / bee curtain / massed-flight activity

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Section: Occurrence and Temporal Dynamics Of Mfamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Structural and temporal dynamics of the bee curtain in the open-nesting honey bee species, Apis florea

2016

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“…laboriosa workers perform periodic mass flight during the day (Woyke et al, 2003a). They start those flights at 12 °C, when the workers perform AF.…”

Section: Abdomen Flipping Of Apis Laboriosa Workers During Different mentioning

confidence: 99%

Temperature correlated dorso-ventral abdomen flipping of Apis laboriosa and Apis dorsata worker bees

Woyke

Wilde

Wilde³

2004

Apidologie

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-Observations were conducted in Nepal, on A. laboriosa nests in the Himalayas, and A. dorsata in Rampur, Chitwan. At low temperatures, A. laboriosa worker bees of the whole nest curtain repeatedly raised the abdomen up and down with its tip at the peak up to 30-40°. Frequency of those movements was correlated with ambient temperature. With the increase in temperature, from 10°C to 17°C, the percentage of workers performing the temperature correlated dorso-ventral abdomen flipping (AF) dropped significantly from 51.4% to 7.5%. The duration of particular AF decreased from 0.62 s at 10°C to 0.27 s at 17°C. The workers repeated successive AF every 1.75 s at 10°C and every 6.00 s at 17°C. A. dorsata performed similar movements. However, the duration of single AF was shorter in A. dorsata than in A. laboriosa, and A. dorsata repeated those movements more frequently than A. laboriosa.Apis laboriosa / Apis dorsata / abdomen flapping / body movements / temperature correlation / Nepal

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“…and 1999 (see Tab. 2), Woyke et al 2001aWoyke et al , 2001bWoyke et al , 2003aWoyke et al , 2003bWoyke et al , 2004Woyke et al , 2005aWoyke et al 2005b Previously, the reason why a particular shape of comb or nest occurred was not explained. We provide what we believe is a logical explanalieve is a logical explanation for this phenomenon drawn on the basis of particular shapes of nests found in specific ambient conditions.…”

Section: Methodsmentioning

confidence: 99%

The reasons for the different nest shapes of Megapis bees

Woyke

Wilde

Wilde³

2016

Journal of Apicultural Science

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A b s t r a c t Over a 37-year period, we observed 1011 active bee nests and abandoned combs of Apis dorsata and Apis laboriosa in Nepal, India, the Philippines, and Bhutan. This article focuses on the reasons for the different shapes of the nests. We discovered that differing ambient conditions were the reasons for the following three shapes of symmetrical nests: vertical semi-ellipse, semicircle, and the horizontal semi-ellipse. We noted that asymmetrical nests were constructed when there was lack of space to extend the comb equally in both external directions. An asymmetrical nest also appeared when remnants of a previous comb remained on one edge of the nest. Convex nests were constructed to avoid excess sun exposure. Concave nests appeared as a result of low temperatures during the night and part of the day (Nepal). An L-shape nest was constructed when there was lack of space available to extend the nest in a straight direction. The shape of the nests also determines the way the combs fall.

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Periodic mass flights of Apis laboriosa in Nepal

Cited by 23 publications

References 1 publication

Structural and temporal dynamics of the bee curtain in the open-nesting honey bee species, Apis florea

Structural and temporal dynamics of the bee curtain in the open-nesting honey bee species, Apis florea

Temperature correlated dorso-ventral abdomen flipping of Apis laboriosa and Apis dorsata worker bees

The reasons for the different nest shapes of Megapis bees

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