E. P.  Holzapfel and Harrell, J. C., ?Transoceanic disperal studies of insects?, vol. 10, no. 1, pp. 115 - 153, Submitted.

E. P.  Holzapfel and Perkins, Jr., B. D., ?Trapping of air-borne insects on ships in the Pacific, Part 7?, vol. 11, no. 2, pp. 455 - 476, Submitted.

J. E.  Guilmette, Jr, Holzapfel, E. P., and Tsuda, D. M., ?Trapping of air-borne insects on ships in the Pacific, Part 8?, vol. 12, no. 2, pp. 303 - 325, Submitted.

E. P.  Holzapfel, Clagg, H. B., and Goff, M. L., ?Trapping of air-borne insects on ships on the Pacific, Part 9?, vol. 19, pp. 65 - 90, Submitted.