Nástio Mosquito, Ruth Ewan, James Rigler: this week’s new exhibitions

From Nástio Mosquito’s multimedia persona-building in Birmingham to James Rigler’s experimental ceramics in Glasgow, find out what’s happening in art around the countryWhile this might be Nástio Mosquito’s first solo exhibition within the hallowed realms of a gallery, he has for some time been recognised as a spirited presence at music festivals and online. Indeed, it is experience performing in front of a crowd that affords his art its live-wire, rock-comic presence. Presenting