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
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