Description: Similar to S. barbatus but differing as follows: head with posterior margin of submentum produced and overlapping front margin of hypsostoma, hypostoma broadly tuberculate on each side of produced submentum. Ocellus distinct, lens rounded, strongly protuberant.
Image type: Museum
Image view: Anterior / Apical
Image location: Museum Victoria, Melbourne, Australia, Australia
Specimen in collection: No
Name: Pest and Diseases Image Library