Flowering Plants Visited
by Pseudodoros
clavatus
Pseudodoros clavatus Fabricius: Syrphidae, Diptera
(observations are from Robertson and Graenicher)
Apiaceae: Thaspium trifoliatum flavum (Gr); Asteraceae: Aster pilosus sn fq (Rb), Boltonia asterioides sn (Rb); Verbenaceae: Verbena stricta sn (Rb), Verbena urticifolia sn (Rb, Gr)