William H. Cade is an American biologist and entomologist, and a former president of the University of Lethbridge. He researches the role of acoustic signals in field cricket mating behaviour.
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Family
His wife, Elsa Salazar Cade (born 1952, San Antonio, Texas), is a Mexican-American science teacher and entomologist, discovered the first case of a parasite using the sexual signal of a host in order to locate and parasitize the host. She was selected as one of the top ten science teachers in 1995 by the National Science Teachers Association.[1] For her efforts, she received an award from the University of Lethbridge in 2010 in recognition of her volunteer work.[2]
Education
Cade completed his BA (1968), MA (1972) and PhD (1976) in Zoology at the University of Texas at Austin. While an undergraduate at Texas, Cade became a member of the Tau chapter of the Kappa Sigma fraternity.[3]
Research
Cade has done research in evolution of animal behavior, insect reproductive behavior, acoustic signals in cricket, cockroach mating behavior, and parasite-prey coevolution.
Flies and crickets
In 1975, together with his wife, Elsa Salazar Cade, he discovered the parasitic fly Ormia ochracea is attracted to the song of male crickets. Only female flies are attracted to the song, and they deposit living larvae on and in the vicinity of calling males. The larvae burrow into and eat the cricket who dies in about 7 days when the flies pupate. This was the first example of a natural enemy that locates its host or prey using the mating signal of the host/prey.[4]
In late 2006, research by Marlene Zuk revealed the relationship between the cricket and the fly as one of the fastest examples of evolution ever recorded. Pressure from the O. ochracea has caused the crickets to evolve a silent male with wings that look like female wings.[5]
With his wife, Cade has done more than 30 years of research on the Texas field cricket, Gryllus texensis.[6] He also had long collaboration with Dan Otte collecting and studying the crickets and grasshoppers of Africa.[7]
Selected publications
- Cawley, John; Hayden, Shari; Cade, Elsa; Baker-Kroczynski, Susan (Summer 2002). "Including students with disabilities into the general education science classroom". Exceptional Children. 68 (4): 423–435. doi:10.1177/001440290206800401. S2CID 146477339.
- Cade, William H.; Cade, Elsa Salazar (1992-01-01). "Male mating success, calling and searching behaviour at high and low densities in the field cricket, Gryllus integer". Animal Behaviour. 43 (1): 49–56. doi:10.1016/S0003-3472(05)80070-3. ISSN 0003-3472. S2CID 54233067.
References
- ^ "Buffalo teacher a finalist for science group award". The Buffalo News. 1995-02-17. p. 35. Retrieved 2023-12-28.
- ^ "Bill & Elsa Cade". Calgary Herald. 2010-11-11. p. 78. Retrieved 2023-12-28.
- ^ Cactus Yearbook. Austin, TX: University of Texas. 1968. p. 490.
- ^ Cade, W. H. 1975. Acoustically orienting parasitoids: Fly phonotaxis to cricket song. Science 190: pp. 1312-1313.
- ^ "Crickets on Mute: Hush falls as killer fly stalks singers". September 20, 2006.
- ^ Male mating success, calling and searching behavior at high and low density in the field cricket, Gryllus integer William H. Cade & Elsa Salazar Cade, Animal Behavior, 1992, pp. 43, 49-56.
- ^ Alternation calling and spacing patterns in the field cricket Acanthogryllus fortipes (Orthoptera; Gryllidae). William H. Cade and Daniel Otte, Canadian Journal of Zoology, pp. 2916-2920
External links
- Cricket Research: Being "Eaten Alive for Love" the Cost of Attracting a Mate
- Personal website
- University of Lethbridge president's page
- Hall of Governors, NY Archived 2017-03-05 at the Wayback Machine
- Casting A Wider Net
This page was last edited on 2 April 2024, at 14:41