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How to Identify Common Insect Associates of the Southern Pine Beetle
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Trogositidae


 

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.
Figure 9
Figure 9

Figure 10
Figure 10

Figure 11
Figure 11

Figure 12
Figure 12

 

 
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