Miscel·lània Zoològica. Volum 20.2 (1997)

The use of regression equations for estimation of prey length and biomass in diet studies of insectivore vertebrates

Systematic and genetical problems revised in two closely related species of Trichogramma, T. embryophagum and T. cacoeciae (Hym., Trichogrammatidae)

On the colour polymorphism of Philaenus spumarius (L.) (Homoptera, Cercopidae) in Portugal

Migration patterns and feeding resources of the Painted Lady butterfly, Cynthia cardui (L.) (Lepidoptera, Nymphalidae) in the northeast of the lberian peninsula

On identifying significant co-occurrence of species in space and time

Descripción de la larva madura de Oxybelus lamellatus Olivier y O. spectabilis Gerstaecker (Hymenoptera, Sphecidae)

Two new species of ldiomacromerus Crawford (Hymenoptera, Chalcidoidea, Torymidae) from Spain

Redescripción de Astacilla axeli Castelló, 1992 (Isopoda, Valvifera, Arcturidae)

Glipa sanfilippoi n. sp. (Coleoptera, Mordellidae), the largest species of the genus in Africa (Sierra Leone)

Variabilidad fenotipica inter e intraespecífica en cuatro especies de lberodorcadion Breuning, 1943 (Coleoptera, Cerambycidae, Lamiinae) de la Sierra de Guadarrama (Madrid, España)

Eusyllinae, Exogoninae and Autolytinae (Syllidae, Annelida, Polychaeta) from the Chafarinas lslands (Alboran Sea, W Mediterranean)

Distribution of Laccobius a. atrocephalus Reitter, 1872 and L. a. ytenensis Sharp, 1910 in the lberian peninsula (Coleoptera, Hydrophilidae)

Four new species of families Onychiuridae and lsotomidae (Hexapoda, Collembola) from Ubsunur Hollow (Tuva, Russia)

Radiological identification of an ibis mummy