Round 6: Tossup 17

While observing a type of these animals known to form bivouacs (“BIH-voo-acks”), William Beebe observed their namesake “mill” behavior. Multiple genera of these animals are identified as “slave-making” brood parasites in a 1990 textbook by Bert Hölldobler and E. O. Wilson. Doodlebugs, which prey on these animals by hiding in (*) pits they dig in sand, are also called these animals’ “lions.” (10[1])In a common example of (10[1])mutualism, (10[1])some types of these animals protect aphids for access to (10[1])honeydew. Along with wasps and bees, these insects are in the order (10[1])Hymenoptera. For 10 points, what insects’ “carpenter” and “fire” types often form colonies? ■END■

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