Character S. multistriatus S. schevyrewi
Body length: 2-3mm 3-4mm
Declivity: Single spine Single ventral spineon second sternite on second sternite
anteriorly posteriorlyspine elongate, spine short,
narrowed broadly conciallateral teeth no lateral teeth
on sterna 2,3,4 on sterna 2,3,4
Gallery: Symmetrical AsymmetricalLarval mines Larval mines
Do not cross do cross.
See weblinks for Screening Guide.
Diagnostics: Sternum 2 with base of spine touching its anterior margin; posterolateral margins of sterna 2–4 each bearing small, distinct, sharply pointed tubercles (those on sternum 4 often obscured by elytra); median posterior margin of sternum 1 convex; elytra unicolorous brown
Found: British Columbia and Nova Scotia to California and Florida to California and Florida.