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


 

  • Cenocoelius nigrisoma (Rohwer) (fig. 51): The male of C. nigrisoma is 5.0 mm long; the female is 6.0 mm long. Both sexes have a red head and shiny black body. The thorax is deeply pitted and rough. The abdomen is narrow and attached high on the thorax (dorsally).

 

  • Coeloides pissodis (Ashmead) (fig. 52): C. pissodis is smaller (3.8-4.6 mm) than Cenocoelius nigrisoma and has a smooth red head and an orange abdomen. The thorax is hairy and shiny. There are broad furrows at the base of the abdomen and petiole. The pedicel of the antennae is twice as long as the first flagellar segment.

 

  • Atanycolus comosifrons Shenefelt (fig. 53): Females are 9.011.0 mm long with an ovipositor 13.0-16.0 mm long; males are 9.0 mm long. The face is densely covered with silver hairs. The pedicel of the antennae is about five times longer than the first flagellar segment.
Figure 51
Figure 51

Figure 52
Figure 52

Figure 53
Figure 53

  • Dendrosoter sulcatus Muesebeck (fig. 54): D. sulcatus has a deep cleft above the eyes, with swollen areas (tubercles) on each side. The wings are dusky with a white band extending across them. The adults are 2.8-3.5 mm, dark brown, and the apical half of the abdomen is darker than the basal half.

 

  • Meteorus hypophloei Cushman (fig. 55): M. hypophloei (2.83.8 mm) has a thick head, a stout thorax (about 21/2 times as long as wide), and coarsely sculptured hind coxae. The females have a slender, slightly decurved oviposter. Wings are clear.

 

  • Spathius pallidus Ashmead (fig. 56): The adult s. pallidus is 3.5 mm long and light brown. The head has striations, and the wings appear patterned. The petiole is striated and has lateral processes. The first abdominal segment is almost as long as the remainder of the abdomen.
Figure 54
Figure 54

Figure 55
Figure 55

Figure 56
Figure 56

 
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