[Explotación oportunista del néctar regurgitado de una abeja (Rhodanthidium sticticum (Fabricius, 1787) (Hymenoptera: Megachilidae)) como recurso alimentario por Plagiolepis pygmaea (Latreille, 1798) (Hymenoptera: Formicidae)]
Joan Díaz Calafat
Opportunistic exploitation of a male Rhodanthidium sticticum (Fabricius, 1787) regur- gitated nectar as food resource by a worker of Plagiolepis pygmaea (Latreille, 1798) is reported. To the author’s knowledge, this is the first time that an exploitation of such re- source is described. It is discussed whether this is just a random event or part of the ant associative learning triggered by repeated conditioning through the territorial behaviour of the bee.
[Lepisiota melas (Emery), una hormiga exótica más para la Península ibérica y dos adiciones a las hormigas de cataluña (Hymenoptera, Formicidae)]
X. Espadaler, Carlos Pradera, Roger Vila
The presence of Lepisiota melas (Emery, 1915), new to the Iberian Peninsula, in the facilities of the port of Barcelona is documented. The population is well established and coexists with at least seven species of native ants and one exotic. Two other species of ants are also added, one exotic (Paratrechina longicornis (Latreille, 1802)) and another native (Goniomma decipiens Espadaler, 1997) to the check-list of ants known in Catalonia.
[Primer listado de hormigas (Hymenoptera: Formicidae) de la provincia de Cuenca]
Aitor Alameda-Martín, J.A. Fernández-Martínez, Francisco Cuquerella Elorza
In this article, we present the first list of ant species in Cuenca Province, which currently has 75 species, divided into 22 genera and 3 subfamilies. The list has been compiled with an exhaustive bibliographic review and completed with 13 isolated records from sam- plings in Belinchón, Priego, Masegosa, Fuertescusa y Carrascosa de la Sierra.
Myrmecina graminicola (Latreille, 1802) is an endogeous species from the Western Palaearctic. In the Iberian Peninsula is widely distributed, specially in the northern forests. The Iberian samples fit perfectly into the accepted conception of the species. Larvae mor- phology is described in detail.
[Formica picea Nylander, 1846 en la Península ibérica: estudio biométrico, nuevas citas y distribución]
Fede García, Amonio David Cuesta-Segura, X. Espadaler
Formica picea Nylander, 1846 is a specialist ant of wet places. In the Iberian Peninsula, is known from few localities in the Pyrenees and the Cantabrian Mountains. We compile the few previous records and provide new locations for the species in Girona, León and Lleida provinces. The identification of Iberian samples as F. picea based on their biometry and other characteristics, as well as their distinction from the most similar species of the genus, is discussed.