Silvanoprus longicollis, is a species of silvan flat bark beetle found in India, Sri Lanka, Malaysia, Java, China, Japan, Madagascar and East Africa.
Body is covered with short, semi-erect, golden pubescence.
The antennal joints 2-8 are markedly narrower than scape.
Anterior spine is projected forward with a pointed tip.
Elytra is very long and broad with wavy side margins and slightly explanate.