Biologie De l'ABEILLE Revue Générale Jusqu'en 1956

Chauvin, Rémy

doi:10.1051/apido:19580105

Cited by 3 publications

(4 citation statements)

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“…During parasitization, flies and bees fly together over a distance of 50-100 cm, and in all six videorecorded events, such contact failed to change the flight direction of the parasitized honey bee. The preservation of the honey bee's flight movement, associated with the average weight of the fly, corresponding to 4.8% of the average body weight of honey bees (i.e., 180 mg [39]), may support the hypothesis that S. tricuspis hosts are unable to perceive the fly's weight on the thorax, thus determining a lack of defense mechanism implemented by the bees. However, it was not possible from the video-recording analysis to detect if honey bee targets were already parasitized before their contact with flies and how many larvae were laid during the parasitization events.…”

Section: Discussionmentioning

confidence: 75%

“…In 2004, a peak of 75% of infestation on the 1st of October was recorded, while in 2005, the peak of infestation (45%) occurred on the 3rd of September. The average weight of the S. tricuspis adult females was 8699 mg (SD = 1,06; n = 10), which represents 4.8% of the average weight of a worker bee (i.e., 180 mg [39]).…”

Section: Biological Samples and Infestation Ratesmentioning

confidence: 99%

“…A total of 18 h of direct observation and 12 h of video recording on the aggressive behavior of S. tricuspis were performed. Through video-recording analysis, the aggressive behavior of S. tricuspis toward honey bees resulted and comprised four behavioral categories (Figure 2): The average weight of the S. tricuspis adult females was 8699 mg (SD = 1,06; n = 10), which represents 4.8% of the average weight of a worker bee (i.e., 180 mg [39]).…”

Section: Type Of Soil Boxesmentioning

confidence: 99%

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Host-Parasitoid Relationship between Apis mellifera (Linnaeus, 1758) and Senotainia tricuspis (Meigen, 1838) (Diptera, Sarcophagidae): Fly Aggression Behavior and Infestation Rates of Senotainiosis

Bedini

Boni

Coppola

et al. 2023

Insects

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Senotainia tricuspis (Meigen, 1838) is a Sarcophagid dipteran endoparasitoid of Apis mellifera L., and myiasis, caused by this fly, is reported in several European, North African and Middle Eastern countries. Nevertheless, very little knowledge concerning the aggression and parasitisation behavior of S. tricuspis toward A. mellifera is available in the scientific literature, and the temporal pattern of aggression remains unclear. The aim of this investigation was to describe the aggressive behavior of S. tricuspis and to provide data on pupation and adult emergence in order to identify further tools for the control of senotainiosis in beekeeping. Data were collected in an apiary in Pisa province (Tuscany, Italy), where observations of aggressive behavior were conducted indirectly by using a VHS camera and also directly by an observer. Four behavioral categories of the attack were described. A total of 55 aggressions, 21 beecatchers, 104 chases and 6 parasitization events were recorded with the camera. Slow-motion recording analyses of the parasitization episodes resulted in contact of at least 1/6 s between the parasitoid and the host. Through four days of direct observations, a total of 1633 aggression events were recorded. The daily temporal pattern of the number of aggressions showed two main peaks: one during the morning hours (i.e., from 10:00 to 11:00) and one in the afternoon (i.e., from 15:00 to 17:00). The morphometric data on the first-instars of S. tricuspis allowed us to hypothesize a penetration in the bee through its prothoracic spiracle as a modality of entrance in the host body. Third-instars successfully pupate when sinking in topsoil or clay soil, and adults emerge when left to a 4 °C overwintering period of six months. Furthermore, the high mortality rate of those larvae that did not sink and did not pupate successfully suggests that reaching a certain depth in the soil is a determining factor for larvae survival and that mulch and/or minimum soil tillage could prevent severe senotainiosis in apiaries.

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Section: Discussionmentioning

confidence: 75%

Section: Biological Samples and Infestation Ratesmentioning

confidence: 99%

Section: Type Of Soil Boxesmentioning

confidence: 99%

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Host-Parasitoid Relationship between Apis mellifera (Linnaeus, 1758) and Senotainia tricuspis (Meigen, 1838) (Diptera, Sarcophagidae): Fly Aggression Behavior and Infestation Rates of Senotainiosis

Bedini

Boni

Coppola

et al. 2023

Insects

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“…However, data are still needed to investigate if wild bee species also use ligneous vegetation and to what extent (Donkersley, 2019). Indeed, honey bee food requirement is probably different from the requirement of wild bees as their larvae consume the product of the workers gland (Chauvin, 1968) and not the pollen and nectar directly available from the plant as wild bee species do. We know that some wellstudied wild bee species, such as Osmia bicornis, use tree species as pollen source (Splitt et al, 2021;Casanelles-Abella et al, 2022), but the vast majority of wild bee species diet still needs more insights, i.e.…”

Section: B a Figurementioning

confidence: 99%

Floral resources used by bees in urban areas: the case of Geneva, Switzerland

Heiniger,

Rochefort,

Prunier

2023

Front. Ecol. Evol.

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It is now largely recognized that pollinators are threatened in agricultural habitats. Cities are thus seen as potential refuges for pollinators, if suitable green spaces are available, because they present favorable abiotic conditions for many pollinator species. However, data on resources used by bees in urban habitats are scarce. Moreover, promoting indigenous meadows in urban green spaces could help pollinator’s survival. In this study, Apis mellifera was taken as a model to investigate potential difference in plant diversity used in agricultural and urban habitat. Pollen loads were sampled in 15 hives in both habitat types, using pollen traps. Then, the attractiveness of a melliferous meadow on wild bees was tested. To that end, a new seed mix (BF) including 35 indigenous plants producing nectar and/or pollen harvested by bees was developed and its attractiveness was compared to a seed mix widely used in Geneva (PFG). For most of the season, quantity and diversity of the pollen sampled was not significantly different between agricultural and urban habitats. Nevertheless, honey bees used different species in both habitats, probably because different plant communities are present. Sixty-one wild bee species were observed foraging in the new BF seed mix compared to only 47 species in the PFG. Likewise, more plants species were used in the BF seed mix than in the PFG. These results show that urban zones can be interesting for pollinators because they display diverse and abundant plant communities. Additionally, it shows that urban parks are species rich habitats, and that pollinator communities respond immediately to additional resources when available.

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