Nesting Biology and Socially Polymorphic Behavior of the Sweat Bee &lt;I&gt;Halictus rubicundus&lt;/I&gt; (Hymenoptera: Halictidae)

Soucy, Sheryl L.

doi:10.1603/0013-8746(2002)095[0057:nbaspb]2.0.co;2

Cited by 56 publications

(72 citation statements)

References 14 publications

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“…Halictus farinosus forms a sibling species pair with H. parallelus Say which, although stated by Knerer (1980) to be solitary, is a social species (Packard 1868; Taylor and Packer unpublished observations). These two are closely related to the socially polymorphic H. rubicundus Christ (Soucy 2002;Soro et al 2010) and the solitary, occasionally communal, H. quadricinctus Fabricius (Knerer 1980;Sitdikov 1987). It is more distantly related to the other Halictus species that are known to be eusocial such as H. ligatus Say and H. sexcinctus Fabricius (Packer 1986;Richards 2001), though the latter exhibits some additional social complexities (Richards et al 2003).…”

Section: Comparisons To Other Halictus Speciesmentioning

confidence: 98%

“…Small size dimorphism, the small number of workers and high degree of mating and ovarian development in workers indicates that the level of sociality in H. farinosus is relatively weak compared to that in other social Halictus species (Packer 1992). The nesting biology and behav- (Eickwort et al 1996;Soucy and Danforth 2002;Soro et al 2010). While solitary and social populations of H. rubicundus may form phylogenetically separate lineages (Soucy and Danforth 2002) some halictines exhibit social polymorphism even within the same population (Packer 1990;Richards et al 2003;Hirata and Higashi 2008).…”

Section: Comparisons To Other Halictus Speciesmentioning

confidence: 99%

“…The nesting biology and behav- (Eickwort et al 1996;Soucy and Danforth 2002;Soro et al 2010). While solitary and social populations of H. rubicundus may form phylogenetically separate lineages (Soucy and Danforth 2002) some halictines exhibit social polymorphism even within the same population (Packer 1990;Richards et al 2003;Hirata and Higashi 2008). While there are no known solitary H. farinosus populations, seasonal climatic differences might affect its sociality through the queen-worker size differential (Richards and Packer 1996).…”

Section: Comparisons To Other Halictus Speciesmentioning

confidence: 99%

“…In order to understand how this transition took place, it is necessary to study organisms exhibiting primitive or weak eusociality, as is found in the subfamily Halictinae (Packer 1986;Packer 1992;Mueller 1996;Richards 2001;Soucy 2002;Richards et al 2010; and see Schwarz et al 2007). Indeed, primitively eusocial halictines share many similarities with the predicted ancestors of the highly eusocial corbiculate apids (Cardinal and Danforth 2011).…”

Section: Introductionmentioning

confidence: 99%

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Nesting biology and phenology of a population of Halictus farinosus Smith (Hymenoptera, Halictidae) in northern Utah

Albert¹,

Packer²

2013

JHR

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Nesting biology and phenology in an aggregation of the primitively eusocial ground-nesting bee Halictus farinosus were studied at Green Canyon, Utah from May to August, 2010. Nest architecture was typical of the genus. Nests were small with an average of 3.5 worker and 13.5 reproductive brood per colony. Most workers were mated (77.5%) and had ovarian development (73.4%). The queen-worker size differential was moderate (8.8% for head width and 6.2% for wing length), indicating that sociality in this species is of intermediate strength compared to other social Halictus species. Results from 2010 were compared with those from 1977/1978 and 2002. Varying weather patterns in the years of study led to changes in phenological milestones: in the colder and wetter spring of 2010, nesting behavior was delayed by up to two weeks compared to the other years. While nest productivity was comparable among years, in 2010 the size difference between queens and workers was significantly larger than in 2002, indicating an effect of annual variation in weather conditions on social parameters in this species.

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Section: Comparisons To Other Halictus Speciesmentioning

confidence: 98%

Section: Comparisons To Other Halictus Speciesmentioning

confidence: 99%

Section: Comparisons To Other Halictus Speciesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Nesting biology and phenology of a population of Halictus farinosus Smith (Hymenoptera, Halictidae) in northern Utah

Albert¹,

Packer²

2013

JHR

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“…However, although the nests under study experienced a much larger range of soil temperatures than would have been available under natural conditions, temperature does not satisfactorily explain the differences in the proportion of a three as opposed to a two brood nesting strategy. Even though there are various examples for the influence of environmental conditions like photoperiod, altitude, or climate on the variability in social behavior (Eickwort et al, 1996;Knerer, 1992;Miyanaga et al, 1999;Soucy, 2002;Yanega, 1997), at a local scale other extrinsic or intrinsic factors like resource availability, queen quality, or genetic components might have a greater impact on the number of broods in the flight season.…”

Section: Influence Of Soil Temperature On Nesting Strategymentioning

confidence: 99%

The influence of soil temperature on the nesting cycle of the halictid bee Lasioglossum malachurum

et al. 2006

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Abstract. The physiology and behavior of ectothermic organisms is strongly influenced by temperature. For ground nesting species like the primitively eusocial halictid bee, Lasioglossum malachurum, soil temperature might influence the life cycle as well as the complexity of the social group since the number of broods that can be fitted into the flight season might increase with increasing temperature. Our study population of L. malachurum at Wuerzburg exhibits a remarkable variability with respect to the number of broods and the pattern of sexual production. Broods are separated by activity pauses during which the larvae develop. In this study we investigate the influence of soil temperature on the pattern of nesting activity (duration of broods and pauses) and on the number of broods in L. malachurum. We observed a total of 1138 nests in 13 aggregations near Wuerzburg. As expected, soil temperature shortened the duration of the pauses, resulting in an overall shortening of the nesting cycle. This is most probably due to a physiological effect of soil temperature on the development of the larvae. With regard to the nesting strategies, we hypothesized that a shortening of the nesting cycle within the limited flight season should enhance the success of a strategy with more worker broods. In fact, patches with higher soil temperature showed more broods. However, this effect was rather weak, suggesting that other factors might have a stronger impact on the variability in nesting strategy within our study population of L. malachurum.

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Reduced abundance and earlier collection of bumble bee workers under intensive cultivation of a mass‐flowering prairie crop

Galpern

Johnson

Retzlaff

et al. 2017

Ecology and Evolution

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One of the most commonly seeded crops in Canada is canola, a cultivar of oilseed rape (Brassica napus). As a mass‐flowering crop grown intensively throughout the Canadian Prairies, canola has the potential to influence pollinator success across tens of thousands of square kilometers of cropland. Bumble bees (Bombus sp.) are efficient pollinators of many types of native and crop plants. We measured the influence of this mass‐flowering crop on the abundance and phenology of bumble bees, and on another species of social bee (a sweat bee; Halictus rubicundus), by continuously deploying traps at different levels of canola cultivation intensity, spanning the start and end of canola bloom. Queen bumble bees were more abundant in areas with more canola cover, indicating that this crop is attractive to queens. However, bumble bee workers were significantly fewer in these locations later in the season, suggesting reduced colony success. The median collection dates of workers of three bumble bee species were earlier near canola fields, suggesting a dynamic response of colonies to the increased floral resources. Different species experienced this shift to different extents. The sweat bee was not affected by canola cultivation intensity. Our findings suggest that mass‐flowering crops such as canola are attractive to bumble bee queens and therefore may lead to higher rates of colony establishment, but also that colonies established near this crop may be less successful. We propose that the effect on bumble bees can be mitigated by spacing the crop more evenly with respect to alternate floral resources.

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Nesting Biology and Socially Polymorphic Behavior of the Sweat Bee <I>Halictus rubicundus</I> (Hymenoptera: Halictidae)

Cited by 56 publications

References 14 publications

Nesting biology and phenology of a population of Halictus farinosus Smith (Hymenoptera, Halictidae) in northern Utah

Nesting biology and phenology of a population of Halictus farinosus Smith (Hymenoptera, Halictidae) in northern Utah

The influence of soil temperature on the nesting cycle of the halictid bee Lasioglossum malachurum

Reduced abundance and earlier collection of bumble bee workers under intensive cultivation of a mass‐flowering prairie crop

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