Bombus (Thoracobombus) sylvarum (Linnaeus, 1761)

Distribution: Europe north to southern Scandinavia, though absent from southern Iberia and most Mediterranean Islands (Rasmont and Iserbyt 2014).

New data: PORTUGAL: Trás-os-Montes, Vila Real, Contim, 16.vi.2019, 1♀ (queen) ; Vila Real, Serra do Larouco, 7.ix.2019, 1♀ (worker); Minho , Viana do Castelo, Castro Laboreiro, 8.ix.2019, 1♀ (worker) ; Viana do Castelo, Gavieira, 8.ix.2019, 1♀ (worker), all det. & leg. L. Castro

Notes: Bombus sylvarum is known from central and northern Spain extending to the Portuguese border. Its presence in northern Portugal is therefore not unexpected.