Architect and engineer . Fiq le—Kalotermes minor (dry-wood termite 1 - Ihotographs of emer-qence holes, alates ready to fly. and dealates pairing and intes-tation (d)-(f) Somewhat reduced, others about natural size^ aSurface of an infested pole, showing two sealed exit holes (t.)-(c)Groups of alates ready for flight. Id) Newly mated pair, male follow-ing female in search of entrance location, (e) Reunion of recenthmated king and queen, after their separation while in search of anentrance (f) Both members of a pair at work on the excavation,(q) Small piece of board showing a pair whose e


Architect and engineer . Fiq le—Kalotermes minor (dry-wood termite 1 - Ihotographs of emer-qence holes, alates ready to fly. and dealates pairing and intes-tation (d)-(f) Somewhat reduced, others about natural size^ aSurface of an infested pole, showing two sealed exit holes (t.)-(c)Groups of alates ready for flight. Id) Newly mated pair, male follow-ing female in search of entrance location, (e) Reunion of recenthmated king and queen, after their separation while in search of anentrance (f) Both members of a pair at work on the excavation,(q) Small piece of board showing a pair whose excavation is so deepas to hide all but the tip of the excavating individual Excavated woodis piled near the aperture. THE ARCHITECT AND ENGINEER -^ 43 ? M.^RCH. NINETEEN THIH rV FOUR. Fig. 17—Red cedar power line pole, 16 years in service damaged by dry-wood termites. This was a 30-foot pole, the butt of which. 4 feet long, wasremo\ed before the body of the pole was cut into 13-2-foot lengths. Therewas 1 eight-year-old colony and 1 four-year-old colony in the first 10—2-footlengths. The population of the colonies consisted of 1 eight-year-old queen,1 four-year-old queen. 1 secondary queen. 67 soldiers, and nymphs—a total of 2267 termites, (a) The top of the pole split open, (b) Lower partof pole. Note that the pole was nearly severed at the ground line.


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