Onthophagus taurus (Bull headed dung beetle):  

Predictions & Data for this entry

Model:  hex  

MRE = 0.097
SMSE = 0.110

Zero-variate data
ab 25 21.32 (0.1472)dage at birthFloaWats2012
tj 33 29.29 (0.1123)dtime since birth at pupationHuntSimm2002
am 15 14.97 (0.001939)dlife span of imagoHuntSimm2002
t1 5 4.625 (0.07499)dduration of instar 1 for O. binodisMack2015
t2 10 10.43 (0.04321)dduration of instar 2 for O. binodisMack2015
t3 10 9.772 (0.02277)dduration of instar 3 for O. binodisMack2015
t4 8 8.637 (0.07968)dduration of instar 4 for O. binodisMack2015
L10.246 0.1987 (0.1925)cmmaximum length head capsule of instar 1 for O. binodisMack2015
L20.263 0.2393 (0.09025)cmmaximum length head capsule of instar 2 for O. binodisMack2015
L30.367 0.364 (0.008253)cmmaximum length head capsule of instnr 3 for O. binodisMack2015
L40.491 0.5392 (0.09813)cmmaximum length head capsule of instar 4 for O. binodisMack2015
Ww10.0737 0.07454 (0.01137)gmaximum wet weight of instar 1 for O. binodisMack2015
Ww20.11 0.1352 (0.229)gmaximum wet weight of instar 2 for O. binodisMack2015
Ww30.518 0.493 (0.04819)gmaximum wet weight of instar 3 for O. binodisMack2015
Ww41.512 1.608 (0.06364)gmaximum wet weight of instar 4 for O. binodisMack2015
Wwe0.0611 1.76 (27.81)gmaximum wet weight of imagoMacaBeck2015
Ni 26 25.76 (0.009295)#life time reprod outputHuntSimm2002
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.2589)time since birthwet weightMack2015
LW see Fig. 2 (0.2561)head capsule length of larvawet weightMack2015
Pseudo-data at Tref
DataGeneralised animalOnthophagus taurusUnitDescription
v 0.02 0.01014cm/denergy conductance
kap 0.8 0.5614-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 419.4J/d.cm^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8002-growth efficiency


  • One egg per dung ball (ref: HuntSimm2002)


  • The weight on Wwe is set to zero, since it seems way too small


  • [Wiki] http://en.wikipedia.org/wiki/Onthophagus_taurus.
  • [FloaWats2012] K. D. Floate, D. W. Watson, P. Coghlin, and O. Olfert. Degree-day models for development of the dung beetles Onthophagus nuchicornis, O. taurus, and Digitonthophagus gazella (Coleoptera: Scarabaeidae), and the likelihood of O. taurus establishment in southern Alberta, Canada. The Canadian Entomologist, 147:617--627, 2012.
  • [HuntSimm2002] J. Hunt, L. W. Simmons, and J. S. Kotiaho. A cost of maternal care in the dung beetle Onthophagus taurus? J. Evol. Biol., 15:57--64, 2002.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [MacaBeck2015] A. L. Macagno, O. M. Beckers, and A. P. Moczek. Differentiation of ovarian development and the evolution of fecundity in rapidly diverging exotic beetle populations. J Exp Zool A Ecol Genet Physiol, 323(9):679--688, 2015.
  • [Mack2015] S. Mackenzie. Impacts of macrocyclic lactones on dung beetle larval performance. PhD thesis, University of New Engand, 2015.

Bibtex files with references for this entry

Nigel Andrew, 2017/05/27

accepted: 2017/06/21

refer to this entry as: AmP Onthophagus taurus version 2017/06/21 bio.vu.nl/thb/deb/deblab/add_my_pet/