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Trogositidae: Trogositids (formerly Ostomidae) have
large heads and pronota and a narrow union between the pronotum and elytra.
They appear somewhat flattened dorsoventrally.
- Temnochila virescens (F.) (figs. 10, adult; 9, larva): This
predator is large and elongate. Its size (20 mm) and its brilliant metallic
green color make it easily recognizable. Larvae are white, have dark
heads, well-developed thoracic legs, and two darkened anal projections
(urogomphi). They have fused thoracic shields on the second segment.
- Tenebroides collaris (Sturm) (fig. 11): T. collaris
can be distinguished from T. marginatus (fig. 11) because it
is larger (7.2 mm) and has dark brown to black elytra and a reddish
brown head. Each species has a punctate head and margined elytra.
- T. marginatus (Palisot de Beauvois) (fig. 12): T. marginatus
(5.2 mm) is more uniformly medium brown on the pronotum and elytra than
T. collaris.
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Figure 9
Figure 10
Figure 11
Figure 12
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