- Thanasimus dubius (F.) (figs. 14, 15, 16): The checkered
beetle, T. dubius (7.5-9.0 mm), has easily distinguishable
black elytra with white angulate crossbars. The head, thorax, and base
of the elytra are red. The larvae are pink when alive (white if preserved),
do not have fused thoracic shields, but are otherwise similar to T.
virescens larvae (see fig. 10).
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Figure 15

Figure 16
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