S. B.  Peck and Howden, H. F., ?Response of a Dung Beetles Guild to Different Sizes of Dung Bait in a Panamanian Rainforest?, Biotropica, vol. 16, pp. 235-238, 1984.

S. B.  Peck and Howden, H. F., ?Response of a dung beetle guild to different sizes of dung bait in a Panamanian Rainforest?, Biotropica, vol. 16, pp. 235-238, 1984.

O. P.  Young, ?Perching of Neotropical Dung Beetles on Leaf Surfaces - an Example of Behavioral Thermoregulation?, Biotropica, vol. 16, pp. 324-327, 1984.