Seasonal changes in odour preferences by male euglossine bees (Hymenoptera: Apidae) and their ecological implications

Abrahamczyk, Stefan; Gottleuber, Peter; Kessler, Michael

doi:10.1007/s13592-011-0096-7

Cited by 13 publications

(12 citation statements)

References 16 publications

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“…3). These regions are clearly differentiated by the intensity of climatic seasonality, which is known to influence species richness of orchid bee communities (Abrahamczyk et al 2011a, b). The differential climatic conditions between regions likely affected the establishment of clades of mainly geographically restricted rather than widespread species, provided that adaptation to new climatic conditions occurs relatively rarely (Wiens and Graham 2005).…”

Section: Discussionmentioning

confidence: 99%

“…To assess whether the distribution pattern of range‐ restricted species is related to climatic seasonality, the environmental factor that is most clearly related to our latitudinal gradient and strongly influences species richness of orchid bees (Abrahamczyk et al 2011a, b), we split our latitudinal transect into two parts based on climatic seasonality at the midpoint of PCA axis 1 (value of zero; respectively 2000 for temperature seasonality and 45 for precipitation seasonality). Orchid bee species restricted to either part of the transect were regarded as range‐restricted.…”

Section: Methodsmentioning

confidence: 99%

“…Further, most orchid bee species are dependent on tropical rainforests, which guarantee a continuous supply of nectar and pollen as well as of different odor substances for courtship displays (Roubik and Hanson 2004). Hence, the diversity of orchid bees is strongly influenced by an increase of climatic seasonality (Abrahamczyk et al 2011a, b, Nemésio and Vasconcelos 2013), as this leads to a stronger flowering seasonality. Also, for many orchid bee species, Roubik and Hanson (2004) have reported range sizes that do not span the entire Neotropics, but rather smaller regions within the Neotropics, e.g.…”

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confidence: 99%

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A humped latitudinal phylogenetic diversity pattern of orchid bees (Hymenoptera: Apidae: Euglossini) in western Amazonia: assessing the influence of climate and geologic history

Abrahamczyk¹,

Vos²,

Sédivy³

et al. 2013

Ecography

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Amazonian rainforests are among the most species‐rich terrestrial habitats on Earth. The aim of this study was to analyze phylogenetic diversity (PD) patterns of orchid bee assemblages along a latitudinal gradient of 15° from northern Peru to central Bolivia and to relate them to climatic factors and geological history. We expanded an existing phylogeny of orchid bees and analyzed the PD of 15 orchid bee assemblages along a latitudinal gradient using mean pair‐wise phylogenetic distance. The resulting pattern was correlated to climatic factors and elevation. We found a hump‐shaped pattern of PD that peaked in central Peru and decreased towards the equatorial and especially towards the southern, subtropical sites. The decrease in PD towards higher latitudes is a common pattern found in many taxa, which in our case correlates with increasing climatic seasonality. However, the decrease towards the equatorial sites is unusual and may be related to a particular historic event: the northern sites with low PD are situated in the area of the former Lake Pebas, which covered western Amazonia until 3 mya. After the lake disappeared orchid bees mainly belonging to two distantly related species groups apparently colonized the region and diversified, which led to the comparatively low observed PD. In contrast, in central Peru, no in situ radiations were detected, hence the assemblages were composed of species from diverse phylogenetic lineages. Additionally, we identified multiple phylogenetically independent radiations of regionally restricted Euglossa species along the latitudinal gradient that, according to a published, dated phylogeny, diversified roughly 3–1 mya. The hump‐shaped latitudinal pattern of PD of the orchid bees of western Amazonia thus appears to have resulted from a preponderance of early divergent lineages in central Peru and of young radiations from distantly related clades colonizing higher latitudes, possibly triggered by historic climate fluctuations and major geological events.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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confidence: 99%

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A humped latitudinal phylogenetic diversity pattern of orchid bees (Hymenoptera: Apidae: Euglossini) in western Amazonia: assessing the influence of climate and geologic history

Abrahamczyk¹,

Vos²,

Sédivy³

et al. 2013

Ecography

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“…The humidity and temperature were measured in December of 2013 with a digital handheld hygrometer in locations where orchid bees were observed. The species were identified following the references in Abrahamczyk et al (2012). In addition, the taxonomists André Nemésio (Universidade Federal de Uberlândia, Brazil) and Benjamin Bembé (Zoologische Staatssammlung München, Germany) were consulted for the confirmation of the identification of Euglossa melanotricha Moure.…”

Section: Methodsmentioning

confidence: 99%

The highest known euglossine bee community from a garden in the Bolivian Andes (Hymenoptera, Apidae, Euglossini)

Perger¹

2015

JHR

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“…We believe this was not the case for ants, as they are colonial organisms and are know to be far more active during the rainy season (Hölldobler & Wilson, 2009), improving capture by pitfall traps. Orchid bees do have marked seasonality (Abrahamczyk et al, 2012;Abrahamczyk et al, 2014), however the highest species richness for this group is found in the rainy season (Abrahamczyk et al, 2011). In order to cover a larger area as possible, while capturing the maximum diversity, we opted to sample during the rainy season.…”

Section: Discussionmentioning

confidence: 99%

A Quantitative Baseline of Ants and Orchid Bees in Human-Modified Amazonian Landscapes in Paragominas, PA, Brazil.

et al. 2016

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The lack of effective biodiversity baselines is a major impairment to implement conservation plans. Hence, constructing and updating species lists provides vital information about species distribution records. The Sustainable Amazon Network (in Portuguese Rede Amazônia Sustentável; RAS) is an interdisciplinary research initiative that aims to evaluate land-cover changes effects in eastern Brazilian Amazonia. Within the scope of this project, we sampled ants and orchid bees and herein present a list of species collected in Paragominas, PA, Brazil; the most complete lists of species published to date of these groups for the eastern Amazon. We sampled these insects across several land-cover types, from undisturbed primary forest, through varyingly disturbed primary and secondary forests to production areas (silviculture, pastures and arable fields). In total we recorded 285 species of ants and 36 species of orchid bees. Species richness was higher in primary forests for both groups, followed by production areas. Orchid bees reached their highest richness in secondary forests. For orchid bees, production areas were dominated by a few hyper-dominant species, such as Eulaema nigrita. We acknowledge that the use of different sampling methods would collect additional species, and we recommend this for future assessments if the aim is to make a complete inventory. We expect this study can be used as a baseline for understanding the effectiveness of ongoing changes in forest conservation and land management practices. Finally, this list is of suitable importance in determining conservation status for several taxa described here.

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Seasonal changes in odour preferences by male euglossine bees (Hymenoptera: Apidae) and their ecological implications

Cited by 13 publications

References 16 publications

A humped latitudinal phylogenetic diversity pattern of orchid bees (Hymenoptera: Apidae: Euglossini) in western Amazonia: assessing the influence of climate and geologic history

A humped latitudinal phylogenetic diversity pattern of orchid bees (Hymenoptera: Apidae: Euglossini) in western Amazonia: assessing the influence of climate and geologic history

The highest known euglossine bee community from a garden in the Bolivian Andes (Hymenoptera, Apidae, Euglossini)

A Quantitative Baseline of Ants and Orchid Bees in Human-Modified Amazonian Landscapes in Paragominas, PA, Brazil.

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