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40 results for “Bee behaviour”
Figure 1 in Nesting biology and behavioural ecology of the solitary bee Monoeca haemorrhoidalis (Smith) and its cleptoparasite Protosiris gigas Melo (Hymenoptera: Apidae: Tapinotaspidini; Osirini)
Figure 1. Monthly variation in relative air humidity, annual rainfall and temperature, measured from March 2005 to February 2007 in the Meteorological Station of Pinhais, southern Brazil.
Figure 10 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 10. Locations where the studies were performed in Argentina (present study) and Chile. Geographical coordinates are given in Table 1.
Figure 8 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 8. Profile of a typical nest of the studied species. (a) Co. bruchiana; (b) Co. nahuelita; (c) H. reticulatus (Table S12: nest 3); (d) Ca. aureoviridis; (e) Co. ampliata; (f) H. amplilobus (Table S10: nest 3). Scale bars = 1 cm.
Figure 4 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 4. Corynura bruchiana, nesting bank in Lake Paimún, Neuquén. (a) Vertical bank with nests; (b) entrances of the nests; (c) exposed, old, earthen block with cells. Half of the block is missing, resulting in the transversal cut of two cells, and the longitudinal cut of another one; (d) earthen block in a chamber, with some cornstarch that was blown in to follow the tunnel; (e) ovoid block, with cells irregularly orientated. The longitudinal axis of the broken cell is approximately 100 degrees from those of the open cells; (f) cell containing a dead larva. Scale bars: b = 5 cm; c, d = 1 cm; e, f = 5 mm.
Figure 1 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 1. Some of the species studied. (a) Ca. aureoviridis; (b) Co. bruchiana; (c) Co. ampliata removing soil from the nest to the exterior.
Figure 3 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 3. Nesting site of Co. ampliata and H. reticulatus near Lake Lácar. (a) Habitat; (b) nest entrances with the characteristic tumulus of soil (in this case, Co. ampliata).
Figure 6 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 6. Halictillus amplilobus, nesting site in Sierra de Los Difuntos, Buenos Aires. (a) Habitat; (b) cell cluster at the end of a burrow; (c) bank where the nests were found; (d) entrances of the nests; (e) cluster with open and close cells. Scale bars: b, d = 1 cm, e = 5 mm.
Figure 5 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 5. Corynura nahuelita, nesting area in Puerto Arrayán, Neuquén. (a) Slope; (b) cell with faeces and a male pupa; (c) cluster with some open cells, and some broken cells; (d) entrance to a nest, gradually widened; (e) comb-like cluster. Scale bars: b, d, e = 5 mm; c = 1 cm.
Figure 2 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 2. Callistochlora aureoviridis, nesting site in the Instituto Nacional de Tecnología Agropecuaria (INTA) Trevelin (Chubut, Argentina). (a) habitat; (b) nest entrances; (c) cluster; (d) cluster at the end of a nest, a pupa can be seen from a broken cell; (e) immature stages, from left to right: small, medium, large and postdefecating larva; (f) different degrees of sclerotisation on male pupae. Scale bars: b, c = 2 cm; e, f = 2 mm.
Figure 9 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 9. Schematic diagram of the life cycle of the studied species, modified from Schwarz et al. (2007). Black arrows indicate brood oviposition, grey arrows indicate females that overwinter. Species studied in Central Argentina (Buenos Aires) and Central Chile (Santiago Metropolitan Area) produced two (or more) broods, while those studied at southern latitudes, in Patagonia, produced only one brood. See references in Table 4. Active period of females and male appearance in the field can be found in Table S14.
Figure 7 in Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae)
Figure 7. Halictillus reticulatus nesting site in Challhuaco Valley. (a) Habitat; (b) male on Chrysanthemum sp.; (c) seven males feeding on Chrysanthemum sp., near the nesting site.
Exploitative competition for floral resources reduces sugar intake but differently impacts the foraging behaviour of two non-bee flower visitors
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Video recordings of strepsipterans-parasitized and non-strepsipteran-parasitized bees flower-visiting behaviour
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Generalised host-plant feeding can hide sterol specialised foraging behaviours in bee-plant interactions
<p><span><span><span><span><span><span><span><span><span><span><span>Host-plant selection is a key factor driving the ecology and evolution of insects. While the majority of phytophagous insects are highly host specific, generalist behaviour is quite widespread among bees and presumably involves physiological adaptations that remain largely unexplored. However floral visitation patterns suggest that generalist bees do not forage randomly on all available resources. While resource availability and accessibility as well as nectar composition have been widely explored, pollen chemistry could also have an impact on the range of suitable host-plants. This study focuses on particular pollen nutrients that cannot be synthesised de novo by insects but are key compounds of cell membranes and the precursor for moulting process: the sterols. We compared the sterol composition of pollen from the main host-plants of three generalist bees: <i>Anthophora plumipes</i>,<i>Colletes cunicularius</i>and <i>Osmia cornuta</i>, as well as one specialist bee <i>Andrena vaga</i>. We also analysed the sterols of their brood cell provisions, the tissues of larvae and non-emerged females to determine which sterols are used by the different species. Our results show that sterols are not used accordingly to foraging strategy: Both the specialist species <i>Andrena vaga</i>and the generalist species <i>Colletes cunicularius</i>might metabolise a rare C<sub>27</sub>sterol, while the two generalist species <i>Anthophora plumipes</i>and <i>Osmia</i><i>cornuta</i>might rather use a very common C<sub>28</sub>sterol. Our results suggest that shared sterolic compounds among plant species could facilitate the exploitation of multiple host-plants by <i>A. plumipes</i>and <i>O. cornuta</i>whereas the generalist <i>C. cunicularius</i>might be more constrained due to its physiological requirements of a more uncommon dietary sterol. Our findings suggest that a bee displaying a generalist foraging behaviour may sometimes hide a sterol-specialised species. This evidence challenges the hypothesis that all generalist free-living bee species are all able to develop on a wide range of different pollen types.</span></span></span></span></span></span></span></span></span></span></span></p>
FIGURE 5 in A new species of clearwing moth (Lepidoptera: Sesiidae: Osminiini) from Peninsular Malaysia, exhibiting bee-like morphology and behaviour
FIGURE 5. Colour variation of hind tibia tufts. Note the difference in the amount of yellow scales.
FIGURE 4 in A new species of clearwing moth (Lepidoptera: Sesiidae: Osminiini) from Peninsular Malaysia, exhibiting bee-like morphology and behaviour
FIGURE 4. Male genitalia of Heterosphecia pahangensis.
FIGURE 3 in A new species of clearwing moth (Lepidoptera: Sesiidae: Osminiini) from Peninsular Malaysia, exhibiting bee-like morphology and behaviour
FIGURE 3. Wing venation of Heterosphecia pahangensis.
FIGURE 2 in A new species of clearwing moth (Lepidoptera: Sesiidae: Osminiini) from Peninsular Malaysia, exhibiting bee-like morphology and behaviour
FIGURE 2. Heterosphecia pahangensis sp. nov., holotype ♂
Generalised host-plant feeding can hide sterol specialised foraging behaviours in bee-plant interactions
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RNA-sequencing elucidates the regulation of behavioural transitions associated with mating in honey bee queens
GEO Series GSE65833. Apis mellifera. 12 samples. Type: Expression profiling by high throughput sequencing.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.