Albert Lea Seed House Oat Production Guide - Page 37

Return to preceding couplet (8’). no teeth teeth Figure 11.1. Figure 11.2. 11 11’ Pronotum with teeth-like projections (6). Saw-toothed grain beetle – Oryzaephilus surinamensis No teeth-like projections pronotum. Go to couplet 12 Return to preceding couplet (11’). club present no club Figure 12.1. Figure 12.2. 12 12’ Insect with antennae long with segments uniform in shape, not ending in a club. Rusty grain beetle – Cryptolestes spp. Most likely to be the rusty grain beetle but difficult to distinguish between species. Insect with more or less distinct clubbed antennae. Go to couplet 13 37