Effect of different diapause regimes on survival and colony development in the bumble bee, <i>Bombus terrestris</i>

Gösterit, Ayhan; Gürel, Fehmi

doi:10.3896/ibra.1.48.4.08

Cited by 28 publications

(20 citation statements)

References 20 publications

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“…Our finding that CO 2 narcosis of post diapausing queens was effective to stimulate oviposition and colony initiation is consistent with these earlier studies 9,12,15 . Gosterit and Gurel 15 reported that hibernating queens for 45 days at 4.5 o C and then anesthetizing them with CO 2 appears to be the best diapause regime for the mass rearing of B. terrestris. Similarly, Gretenkord and Drescher 12 found that after a short hibernation period (up to 3 month), CO 2 treatments of 30 min gave the best result.…”

Section: Discussionsupporting

confidence: 82%

“…Previous studies also showed that queen survival during diapause (cold storage conditions) is strongly determined by the weight of the queen and the diapause duration 3,15 . Röseler 9 found another successful method that a CO 2 treatment could also be used to circumvent or break diapause.…”

Section: Discussionmentioning

confidence: 99%

“…Under laboratory conditions, many researchers stored their queens at a temperature between 1-5 o C to simulate hibernating conditions 3,4,15,16 . Previous studies also showed that queen survival during diapause (cold storage conditions) is strongly determined by the weight of the queen and the diapause duration 3,15 .…”

Section: Discussionmentioning

confidence: 99%

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Effects of CO2 Narcosis on the Onset of Oviposition and Colony Founding Success of Post Diapausing Bumblebee (Bombus terrestris) Queens

Karsli¹,

Gürel²

2013

Kafkas Univ Vet Fak Derg

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SummaryIn year-round rearing of bumblebees, rapid and successful colony production is the major criterion to reduce production costs. In this study, the effect of CO 2 narcosis on the oviposition and colony founding success of post diapausing Bombus terrestris queens were investigated. Mated queens that were kept in the refrigerator at 4.0±0.5 o C for two months were randomly allocated to three groups for control, single and double narcosis. The queens in control group were not narcotized, while the queens in single narcosis group were treated once with CO 2 for 30 min and the queens in double narcosis group were treated with CO 2 for 30 minutes two times in consecutive days before introducing in starting boxes. All queens and colonies were kept in standard rearing conditions (27±1 o C and 60±5% RH). There were significant differences between the treatment groups in terms of the duration of colony initiation (day) and the percentage of queens that laid eggs. The queens exposed to single and double narcosis started to lay eggs approximately 4.5 and 5 days earlier than the non narcotized queens, respectively. Similarly, 80% of single and double narcotized queens laid eggs, whereas only 45% of non narcotized queens laid eggs. The numbers of workers in the first brood batch, queen mortality rates at the first week and first month (%) were not significantly different between groups. The results showed that single CO 2 narcosis treatment to post diapausing queens can become a useful tool in the mass rearing of B. terrestris. Keywords: Bumblebee, Bombus terrestris, CO 2 treatment, Colony development Bombus Arısı (Bombus terrestris) Ana Arılarının Yumurtlamaya Başlaması ve Koloni Oluşturması Üzerine Diyapoz Sonrası CO 2 Uygulamasının Etkileri ÖzetBombus arılarının yıl boyu yetiştiriciliğinde hızlı ve başarılı koloni üretimi, üretim maliyetini düşürmede temel kriterdir. Bu çalışmada diyapozdan çıkmış Bombus terrestris ana arılarına CO 2 uygulamasının yumurtlamaya başlama ve koloni oluşturma üzerine etkileri incelenmiştir. Çiftleşmiş ana arılar 4.0±0.5 o C de iki ay muhafaza edildikten sonra rasgele üç gruba dağıtılmışlardır. Kontrol grubunu oluşturan ana arılar CO 2 narkozu uygulanmaksızın başlatma kutularına yerleştirilirken, bir grup ana arıya 30 dak. süre ile bir kez, diğer grup ana arıya ise 30 dakika süre ile iki kez CO 2 narkozu uygulanmıştır. Bütün ana arılar ve koloniler standart yetiştirme koşullarında tutulmuşlardır (27±1 o C ve %60±5 nem). Ana arıların koloni başlatma süreleri (gün) ve yumurtlama oranları (%) bakımından gruplar arasındaki farklılıklar önemli bulunmuştur. Tek ve çift CO 2 narkozu uygulanan ana arılar CO 2 narkozu uygulanmayan ana arılardan sırayla yaklaşık 4.5 ve 5 gün daha erken yumurtlamaya başlamışlardır. Benzer şekilde, CO 2 uygulanmayan ana arıların sadece %45'i yumurtlamışken, hem tek hem de çift CO 2 narkozu uygulanan ana arıların %80'i yumurtlamıştır. İlk kuluçkadaki işçi arı sayısı, ilk hafta ve ilk aydaki ana arı ölüm oranları (%) bakımından gruplar benzer değerler almıştır. Sonuçlar ...

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Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 99%

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Effects of CO2 Narcosis on the Onset of Oviposition and Colony Founding Success of Post Diapausing Bumblebee (Bombus terrestris) Queens

Karsli¹,

Gürel²

2013

Kafkas Univ Vet Fak Derg

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“…Previous studies have indicated that queen survival during diapause is strongly determined by the weight of the queen and the duration of her diapauses (Beekman et al 1998;Gosterit and Gurel 2009). Although the actual mechanism remains unknown, male genotype also influences queen survival (Korner and Schmid-Hempel 2003).…”

Section: Discussionmentioning

confidence: 99%

Male remating and its influences on queen colony foundation success in the bumblebee, Bombus terrestris

Gösterit

Gürel

2016

Apidologie

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-In most bumblebee species, queens mate with only one male, but males can mate more than once. However, the effects of male remating on colony foundation success of queens remain poorly understood. To test for effects of male remating, we assigned Bombus terrestris queens randomly to one of two groups: virgin males or nonvirgin males that have mated once before. When males were allowed to mate for a second time with virgin queens, 58.57 % successfully remated. There was no significant difference in queen hibernation survival between groups, but queens mated with non-virgin males were more successful in founding a colony, and produced more workers and males than queens mated with virgin males. The mean copulation duration for the second mating of males (48.02 ± 14.36 min) was substantially longer than for the first mating (32.44 ± 8.74 min). Results also showed that male weight influenced both male remating success and copulation duration.Bombus terrestris / mating behavior / copulation duration / male weight / colony development

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“…The queens and males produced in colonies from the two different bumblebee breeders were hybridized to generate an outbred group. In both groups, queens were mated with males in mating cages in an illuminated mating room at 23 ± 1 °C and 50 ± 5 % RH (Amin et al 2010) and then placed in a cold room at 2.5 °C for 2 months to artificially induce diapause (Gosterit and Gurel 2009). The mating pair was removed during copulation to avoid harassment from other males (Lhomme et al 2013).…”

Section: Methodsmentioning

confidence: 99%

Effect of different diapause regimes on survival and colony development in the bumble bee, Bombus terrestris

Cited by 28 publications

References 20 publications

Effects of CO2 Narcosis on the Onset of Oviposition and Colony Founding Success of Post Diapausing Bumblebee (Bombus terrestris) Queens

Effects of CO2 Narcosis on the Onset of Oviposition and Colony Founding Success of Post Diapausing Bumblebee (Bombus terrestris) Queens

Male remating and its influences on queen colony foundation success in the bumblebee, Bombus terrestris

Adverse effects of inbreeding on colony foundation success in bumblebees, Bombus terrestris (Hymenoptera: Apidae)

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