Coexistence of two sympatric ant species, Pheidole pallidula and Tetramorium semilaeve (Hymenoptera Formicidae).

Retana J, Cerdà X, Espadaler X (1992) Coexistence of two sympatric ant species, Pheidole pallidula and Tetramorium semilaeve (Hymenoptera Formicidae). Entomologia Generalis 17:29-40.

Arthropod corpses in a temperate grassland: a limited supply?

Retana, J., Cerdà, X., Espadaler, X. (1991) Arthropod corpses in a temperate grassland: a limited supply?. Ecography. 14: 63-67.
Link
Doi: 10.1111/j.1600-0587.1991.tb00634.x

Abstract:

The caste system of Camponotus foreli Emery (Hymenoptera, Formicidae).

Espadaler X, Retana J, Cerdà X (1990) The caste system of Camponotus foreli Emery (Hymenoptera, Formicidae). Sociobiology 17, ser. 2:299-312.