. Eastern forest insects. Forest insects. m&fs. 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- br
. Eastern forest insects. Forest insects. m&fs. 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. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baker, Whiteford L. (Whiteford Lee), 1903-. Washington : U. S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs. , U. S. G. P. O
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects
