. Eastern forest insects . Figure 86.—Stand of pines killed by the southern pine beetle, Dendroctonus frontalis. F-519566 The southern pine beetle adult (fig. 87A) is chocolate brown to black and from to mm. long. There is a prominent tu- bercle on each side of a vertical median groove on the front of the head; the pronotum is slightly narrowed at front, broadest at the middle, and about as long as wide; the elytra are as wide as and over twice as long as the pronotum; and the declivity is convex. The full-grown larva is a legless grub with a glossy reddish- brown head, and it is about
. Eastern forest insects . Figure 86.—Stand of pines killed by the southern pine beetle, Dendroctonus frontalis. F-519566 The southern pine beetle adult (fig. 87A) is chocolate brown to black and from to mm. long. There is a prominent tu- bercle on each side of a vertical median groove on the front of the head; the pronotum is slightly narrowed at front, broadest at the middle, and about as long as wide; the elytra are as wide as and over twice as long as the pronotum; and the declivity is convex. The full-grown larva is a legless grub with a glossy reddish- brown head, and it is about 5 mm. long. 241
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects
