Antennal morphology and sensillar ultrastructure of Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae)

► Eight different types of sensillar structures were identified for the first time on the antenna of Dastarcus helophoroides. ► The porous structures suggest they have chemoreceptor functions. ► No intersex differences existed in shape, structure, distribution and typology.