Mandibular gland pheromone contents in workers and queens of Apis mellifera adansonii Abdullahi A. YusufChristian W. W. PirkRobin M. Crewe Original article 21 January 2015 Pages: 559 - 572
Risk factors associated with failures of Varroa treatments in honey bee colonies without broodless period Agostina GiacobinoAna MolineriMarcelo Signorini Original article 28 January 2015 Pages: 573 - 582
Mitochondrial energy utilization maintains young status in the trophocytes and oenocytes of old queen honeybees Chin-Yuan HsuCheng-Yen Lu Original article 11 February 2015 Pages: 583 - 594
Subspecific differentiation in male reproductive traits and virgin queen preferences, in Bombus terrestris Thomas LecocqAudrey CoppéePierre Rasmont Original article 18 February 2015 Pages: 595 - 605
Orchid bees: a new assessment on the rarity of diploid males in populations of this group of Neotropical pollinators Douglas C. GiangarelliGabriele A. FreiriaSilvia H. Sofia Original article 18 March 2015 Pages: 606 - 617
Reproductive potential and its behavioural consequences in orphaned bumblebee workers (Bombus impatiens) Emily D. SibbaldCatherine M. S. Plowright Original article 13 February 2015 Pages: 618 - 627
Scientific note on the first molecular detection of the acute bee paralysis virus in Brazilian stingless bees Carlos Ueira-VieiraLuciana Oliveira AlmeidaAna Maria Bonetti Scientific note 27 February 2015 Pages: 628 - 630
Survival strategies of stingless bees (Melipona subnitida) in an unpredictable environment, the Brazilian tropical dry forest Camila Maia-SilvaMichael HrncirVera Lucia Imperatriz-Fonseca Original article 27 February 2015 Pages: 631 - 643
Discrimination of haploid and diploid males of Bombus terrestris (Hymenoptera; Apidae) based on wing shape Maxence GerardDenis MichezThibaut De Meulemeester Original article 27 February 2015 Pages: 644 - 653
A survivor population of wild colonies of European honeybees in the northeastern United States: investigating its genetic structure Thomas D. SeeleyDavid R. TarpyDeborah A. Delaney Original article 05 March 2015 Pages: 654 - 666
Exposure of honeybees (Apis mellifera) in Saskatchewan, Canada to organophosphorus insecticides Yahya ALNaggarAnja VogtJohn P. Giesy Original article 20 March 2015 Pages: 667 - 678