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Stephen T. Trumbo, Associate Professor (Ph.D., North Carolina)

Contact Information:
Dr. Stephen T. Trumbo
Department of Ecology and Evolutionary Biology
University of Connecticut
99 East Main St.
Waterbury, CT 06702
Tel: (203) 236-9878
Fax: (203) 236-9805
Trumbo Home Page

 Current Areas of Research:

Behavioral ecology of insects. Social insects. Physiological mechanisms regulating behavior.


 Selected Publications:

Smith, G., Trumbo, S.T., Sikes, D.S., Scott, M.P. & Smith, R.L. 2007. Host shift by the burying beetle, Nicrophorus pustulatus , a parasitoid of snake eggs. Journal of Evolutionary Biology (in press).

Trumbo, S.T. 2007. Defending young biparentally: female risk-taking with and without a male in the burying beetle, Nicrophorus pustulatus . Behavioral Ecology and Sociobiology (doi: 10.1007/s00265-007-0403-5).

Trumbo, S.T. & Valletta, R.C. 2007. The costs of confronting infanticidal intruders in a burying beetle. Ethology 113: 386-393.

Trumbo, S.T. 2007. Can the “challenge hypothesis” be applied to insects? Hormones and Behavior 51: 281-285.

Sikes, D.S., Madge, R.B. & Trumbo, S.T. 2006. Revision of Nicrophorus in part: new species and inferred phylogeny of the nepalensis-group based on evidence from morphology and mitochondrial DNA (Coleoptera : Silphidae : Nicrophorinae). Invertebrate Systematics 20: 305-366.

Trumbo, S.T. 2006. Infanticide, sexual selection and task specialization in a biparental burying beetle. Animal Behaviour 72: 1159-1167.

Suzuki, S., Nagano, M. & Trumbo, S.T. 2005. Intrasexual competition and mating behavior in Ptomascopus morio (Coleoptera: Silphidae: Nicrophorinae). Journal of Insect Behavior 18: 233-242.

Trumbo, S.T. & Robinson, G.E. 2004. Nutrition, hormones and life history in burying beetles. Journal of Insect Physiology 50: 383-391.

Trumbo, S.T. 2002. Hormonal regulation of parental behavior in insects. In : Hormones, Brain and Behavior, Volume 3 (eds., Pfaff, D.W., Arnold, A.P., Etgen, A.M., Fahrbach, S.E., Moss, R.L., Rubin, R.R.), pp. 115-139. Academic Press, New York.

Trumbo, S.T. & Bloch, P.L. 2002. Competition between Nicrophorus orbicollis and Nicrophorus defodiens : resource locating efficiency and temporal partitioning. Northeastern Naturalist 9: 13-26.

Trumbo, S.T., Kon, M. & Sikes, D.S. 2001. The reproductive biology of Ptomascopus morio , a brood parasite of Nicrophorus . Journal of Zoology, London 255: 543-560.

Scott. M.P., Trumbo, S.T., Neese, P.A., Bailey, W.D. & Roe, R.M. 2001. Changes in biosynthesis and degradation of juvenile hormone during breeding by burying beetles: a reproductive or social role? Journal of Insect Physiology 47: 295-302.

Trumbo, S.T. & Bloch, P.L. 2000. Habitat fragmentation and burying beetle (Coleoptera: Silphidae) communities. Journal of Insect Conservation 4: 245-252 .

Trumbo, S.T. & Sikes, D.S. 2000. Sexual selection and leg morphology in Nicrophorus orbicollis and Ptomascopus morio . Entomological Science 3: 585-590.

Trumbo, S.T. 1999. Using integrative biology to explore constraints on evolution. Trends in Ecology & Evolution 14: 5-6.

Trumbo, S.T. & Thomas, S. 1998. Burying beetles of the Apostle Islands, Wisconsin: species diversity, population density and body size. Great Lakes Entomologist 31: 85-95.

Trumbo, S.T. 1997. Juvenile hormone-mediated reproduction in burying beetles: from behavior to physiology. Archives of Insect Biochemistry and Physiology 35: 479-490.

Trumbo, S.T., Huang, Z-Y. & Robinson, G.E. 1997. Division of labor between undertaker specialists and other middle-age honey bees. Behavioral Ecology and Sociobiology 41: 151-163.

Trumbo, S.T. & Robinson, G.E. 1997. Learning and task interference by undertaking specialists in honey bee colonies. Ethology 103: 966-975.

Trumbo, S.T. 1996. Parental care in invertebrates. Advances in the Study of Behavior 25: 3-51.

Trumbo, S.T., Borst, D.W. & Robinson, G.E. 1995. Rapid elevation of JH titre during behavioural assessment of the breeding resource by the burying beetle Nicrophorus orbicollis . Journal of Insect Physiology 41: 535-543.

Trumbo, S.T. & Fernandez, A.G. 1995. Regulation of brood size by male parents and cues employed to assess resource size by burying beetles. Ethology Ecology & Evolution 7: 313-322.

Trumbo, S.T. 1995. Nesting failure in burying beetles and the origin of communal associations. Evolutionary Ecology 9: 125-130.

Trumbo, S.T. & Fiore, A.J. 1994. Interspecific competition and the evolution of communal breeding in burying beetles. American Midland Naturalist 131: 169-174.

Trumbo, S.T. 1994. Interspecific competition, brood parasitism, and the evolution of biparental cooperation in burying beetles. Oikos 69: 241-249.

Trumbo, S.T. & Eggert, A.-K. 1994. Beyond monogamy: territory quality influences sexual advertisement in male burying beetles. Animal Behaviour 48: 1043-1047.

Trumbo, S.T. & Wilson, D.S. 1993. Brood discrimination, nestmate discrimination and determinants of social behavior in facultatively quasisocial beetles ( Nicrophorus spp.). Behavioral Ecology 4: 332-339.

Trumbo, S.T. 1992. Monogamy to communal breeding: exploitation of a broad resource base in burying beetles (Silphidae: Nicrophorus ). Ecological Entomology 17: 289-297.

Trumbo, S.T. 1991. Reproductive benefits and the duration of paternal care in a biparental burying beetle, Necrophorus orbicollis. Behaviour 117: 82-105.

Trumbo, S.T. & Fiore, A.J. 1991. A genetic marker for investigating paternity and maternity in the burying beetle Nicrophorus orbicollis (Coleoptera: Silphidae) . Journal of the New York Entomological Society 99: 637-642.

Trumbo, S.T. 1990. Interference competition among burying beetles (Silphidae, Nicrophorus ). Ecological Entomology 15: 347-355.

Trumbo, S.T. 1990. Reproductive benefits of infanticide in a biparental burying beetle, Nicrophorus orbicollis . Behavioral Ecology and Sociobiology 27: 269-273.

Trumbo, S.T. 1990. Reproductive success, phenology and biogeography of burying beetles (Silphidae, Nicrophorus ). American Midland Naturalist 124: 1-11.

Trumbo, S.T. 1990. Regulation of brood size in a burying beetle, Nicrophorus tomentosus (Silphidae). Journal of Insect Behavior 3: 491-500.

 Courses Taught: Introductory Biology, Animal Behavior