Bruce Douglas Gill

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Bruce Gill with two field assistants at Caparu on the Río Apaporis in the
Colombian Amazon, November 1995.
Photo by Sacha Spector.


Bruce Douglas Gill is an identification and regulatory entomologist with the Ontario Plant Labs, Canadian Food Inspection Agency. During office hours, Bruce identifies insects, mites, and terrestrial molluscs from Canada and the rest of the world in support of the plant health and quarantine programs of the C.F.I.A. After hours, he continues a life-long interest in the Scarabaeoidea initiated at the age of 8 when he stumbled across a Polyphylla decemlineata racing through the streets of Vancouver. His main interests lie in the taxonomy, systematics and ecology of dung beetles and other detritus-feeding scarabs. An avid field biologist, he has travelled extensively in Latin America with occasional forays into Africa and Asia. Long-term research projects include revision of the species-rich Neotropical genera Canthidium and Uroxys, and ecological studies comparing dung beetle assemblages in Old World and New World tropical forests. He also keeps busy providing taxonomic support to various biodiversity and conservation projects utilizing scarabs in Southeast Asia, Africa and South America.

Entomology Unit, Ontario Plant Laboratories
Canadian Food Inspection Agency
Building 18, C.E.F.
960 Carling Avenue
Ottawa, CANADA
K1A 0C6

Ballerio, A, and B.D.Gill. 2008.  Notes on some Germarostes s.str. Paulian, 1982 from the cloud forests of Ecuadorian Andes with remarks on allied Ceratocanthinae genera (Coleoptera Scarabaeoidea Hybosoridae) (pp. 407-416). In: Pier Mauro Giachino (Editor in Chief) Biodiversity of South America, I.  Memoirs on Biodiversity, 1.  World Biodiversity Association onlus, Verona, Italy, 496pp.

Robbins, P.S., S.R. Alm, C.D. Armstrong, A.L. Averill, T.C. Baker, R.J. Bauernfiend, F.P. Baxendale, S.K. Braman, R.L. Brandenburg, D.B. Cash, G.J. Couch, R.S. Cowles, R.L. Crocker, Z.D. DeLamar, T.G. Dittl, S.M. Fitzpatrick, K.L. Flanders, T. Forgatsch, T.J. Gibb, B.D.Gill, D.O. Gilrein, C.S. Gorsuch, A.M Hammond, P.D. Hastings, D.W. Held, P.R. Heller, R.T. Hiskes, J.L. Holliman, W.G. Hudson, M.G. Klein, V.L. Krischik, D.J. Lee, C.E. Linn Jr., N.J. Luce, K.E. MacKenzie, C.M. Mannion, S. Polavarapu, D.A. Potter, W.L. Roelofs, B.M. Royals, G.A. Salsbury, N.M. Schiff, D.J. Shetlar, M. Skinner, B.L. Sparks, J.A. Sutschek, T.P. Sutschek, S.R. Swier, M.M. Sylvia, N.J. Vickers, P.J. Vittum, R.B. Weidman, D.C. Weber, R.C. Williamson, and M.G. Villani. 2006. Trapping  Phyllophaga spp. (Coleoptera: Scarabaeidae: Melolonthinae) with sex attractants in the United States and Canada. 124pp. Journal of Insect Science 6:39, available online:

Howden, H.F. and B.D.Gill. 2005. An unusual new species of Germarostes Paulian from Peru (Coleoptera: Scarabaeidae: Ceratocanthinae).  Coleopterists Bulletin 59: 272-274.

Gill, B.D. and F.Z. Vaz-de-Mello. 2003. An unusual new species of Pedaridium Harold (Coleoptera: Scarabaeidae: Ateuchini) from Colombia. Journal of the Entomological Society of Ontario 133: 47-51.

Howden, H.F. and B.D.Gill. 2003. The Mexican and Central American species of Astaenomoechus (Coleoptera: Scarabaeidae: Ceratocanthinae). Sociobiology 42: 201-242.

Medina, C.A, C.H. Scholtz, and B.D.Gill. 2003. Morphological variation and systematics of Canthon Hoffmansegg 1817 and related genera of new world Canthonini dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae). Deutsche Entomologische Zeitschrift 50: 23-68.

Gill, B.D. 2002. Scarabaeinae. Chapter 34. II in American Beetles, Vol.2 (Polyphaga: Scarabaeoidea through Curculionoidea), (Ed. by R.H. Arnett, M.C. Thomas, P.E. Skelley, and J.H. Franks), pp. 48-51. CRC Press, Boca Raton, FL. 

Medina, C.A, A. Lopera-Toro, A. Vítolo, and B.Gill. 2001. Escarabajos coprófagos (Coleoptera: Scarabaeidae: Scarabaeinae) de Colombia.  Biota Colombiana 2: 131-144. [Available at]

Howden, H.F. and B.D.Gill. 2001. A new species of Ivieolus Howden and Gill and a new type species designation for Aulisostes Howden and Gill.  Sociobiology 38: 531-538.

Gill, B.D. and H.F. Howden. 2000. Systematics and biology of the New World Ceratocanthinae (Coleoptera: Scarabaeidae).@ XXI International Congress of Entomology, Abstract Vol. p. 926.

Howden, H.F. and B.D. Gill. 2000.  Tribes of New World Ceratocanthinae, with keys to genera and descriptions  of new species (Coleoptera: Scarabaeidae).  Sociobiology 35: 283-329.

Floate, K.D. and B.D. Gill. 1998.  Seasonal activity of dung beetles (Coleoptera: Scarabaeidae) associated with cattle dung in southern Alberta and their geographic distribution in Canada. Canadian Entomologist 130: 131-151.

Chin, K. and B.D. Gill. 1996.  Dinosaurs, dung beetles, and conifers: participants in a Cretaceous food web.  Palaios 11: 280-285.

Howden, H.F. and B.D. Gill. 1995.  Trachycrusis, a new genus of Ceratocanthinae (Coleoptera: Scarabaeidae) with two new species from Peru.  Canadian Entomologist 127: 587-593.

Howden, H.F. and B.D. Gill. 1993.  Mesoamerican Onthophagus Latreille in the dicranius and mirabilis species groups (Coleoptera: Scarabaeidae).  Canadian Entomologist 125: 1091-1114.

Howden, H.F. and B.D. Gill. 1993. A second species of  Termitoderus from Angola and Namibia (Scarabaeidae: Aphodiinae: Termitoderini).  Sociobiology 21: 203-208.

Gill, B.D. 1991.  Dung beetles in tropical American forests.  Chapter 12 in The Ecology of Dung Beetles (Ed. by I. Hanski and Y. Cambefort), pp. 211-229. Princeton University Press, Princeton, New Jersey.

Gill, B.D. 1990.  Two new species of  Eurysternus Dalman (Coleoptera: Scarabaeinae) from Venezuela with notes on the genus.  Coleopterists Bulletin 44: 355-361.

Howden, H.F. and B.D. Gill. 1988.  A fourth genus of unusually modified Ceratocanthinae (Coleoptera: Scarabaeidae).  Canadian Journal of Zoology 66: 2077‑2079.

Howden, H.F. and B.D. Gill. 1988.  Xenocanthus, a new genus of inquiline Scarabaeidae from southeastern Venezuela (Coleoptera).  Canadian Journal of Zoology 66: 2071‑2076.

Howden, H.F. and B.D. Gill. 1987.  New species and new records of Panamanian and Costa Rican Scarabaeinae (Coleoptera, Scarabaeidae).  Coleopterists Bulletin 41: 201‑224.

Gill, B.D. 1986.  A new species of Copris Müller (Coleoptera: Scarabaeidae) from South India.   Journal of the  Bombay Natural History Society 83: 632‑633.

Gill, B.D. and H.F. Howden. 1985.  A review of the North American genus Aphonus LeConte (Scarabaeidae: Dynastinae).  Coleopterists Bulletin 39: 119‑129.
Howden, H.F. and B. Gill. 1984.  Two new species of  Neoathyreus Howden and Martínez from Costa Rica with notes on other Athyreini from Mexico and Central America (Coleoptera: Geotrupinae).  Canadian Entomologist. 116: 1637‑1641.

Gill, B.D. 1984. Flight activity, foraging behaviour, and community structure among Neotropical Scarabaeinae.  XVII International Congress of Entomology, Abstract Vol. p. 318.

Gill, B.D. 2006.  A continuing bibliography of Henry F. Howden (pp. 205-213). In: Mary Liz Jameson and Brett C. Ratcliffe (editors), Scarabaeoidea in the 21st Century: A Festschrift Honoring Henry F. Howden.  Coleopterists Society Monograph, Number 5, 216pp.

Gill, B.D. 2006.  The evolution and biogeography of Henry F. Howden (pp. 7-18). In: Mary Liz Jameson and Brett C. Ratcliffe (editors), Scarabaeoidea in the 21st Century: A Festschrift Honoring Henry F. Howden.  Coleopterists Society Monograph, Number 5, 216pp.

Forsyth, A.B., S. Spector, B. Gill, F. Guerra, and S. Ayzama.  1998.  Dung Beetles (Coleoptera: Scarabaeidae: Scarabaeinae) of Parque Nacional Noel Kempff Mercado. Pages 181-200 in: Killen, T.J. and T. S. Schulenberg (Eds.),  A Biological Assessment of Parque Nacional Noel Kempff Mercado, Bolivia.  RAP Working Papers #10.  Conservation International, Washington, D.C.  (Report, 372pp.)

Parker III, T.A., R.B. Foster, L.H. Emmons, P. Freed, A.B Forsyth, B. Hoffman, and B.D. Gill.  1993.  A Biological Assessment of the Kanuku Mountain Region of Southwestern Guyana.  RAP Working Papers #5.  Conservation International, Washington, D.C.  (Report, 70pp.)

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University of Nebraska-Lincoln State Museum - Division of Entomology