National Geographic : 1934 Aug
WORK AND WAR IN THE WORLD OF ANTS '*- .......... . .. . ' . ; FAR FIERCER THAN ITS NAMESAKE IS AUSTRALIA'S BULLDOG ANT Routing many a picnicker and scientist, it grabs with strong, saw-toothed jaws, then drives in a sting a quarter of an inch long, partly visible at the rear of the nearer one. These well-armed fighters -M yrmecia formosa and (inset, upper right) Myrmecia nigriventris-areamong the largest of ants. 7[~ (3 National Gieograpnic society malll insets, natural size) THE CARPENTER ANT WEAKENS HOUSES, BRIDGES, AND TREES Like the termites (see Color Plate opposite), it bores elaborate tunnels which sometimes cause beams and rafters to collapse without warning. The thick-jawed wreckers (Camponotus herculeanus pennsylvanicusferrugineus)have been found frequently in the eastern United States. On a log crawl a winged male, workers, and soldiers with large heads.