@article {1976,
	title = {New data and observations on kleptoparasitic behaviour in dung beetles from temperate regions (Coleoptera: Scarabaeoidea)},
	journal = {Acta Zoologica Mexicana (nueva serie)},
	volume = {57},
	year = {1993},
	pages = {15-18},
	author = {Martin-Piera, Fermin and Lobo, Jorge M.}
}
@article {2286,
	title = {Phylogenetic relationships of Iberian dung beetles (Coleoptera: Scarabaeinae): insights on the evolution of nesting behavior},
	journal = {Journal of Molecular Evolution},
	volume = {55},
	year = {2002},
	pages = {116-126},
	keywords = {iberian beetles, nesting behavior, onthophagini, Scarabaeinae},
	author = {Villalba, Soraya and Lobo, Jorge M. and Martin-Piera, Fermin and Zardoya, Rafael}
}
