16 September 1966
Vol 153, Issue 3742

About The Cover

Beetle of the genus Eleodes assuming the headstand with which it characteristically responds to disturbance. The insect repels predators with a secretion containing guinone; the guinone is sprayed from the tip of its abdomen (actual body length, 2.5cm).See page 1341. [T. Eisner, R. Alsop, R. Silberglied, Cornell University]