Exochus atlanticus sp. n., Melo & Penteado-Dias, and Trieces broadi sp. n., Melo & Penteado-Dias, are described and illustrated in Brazilian fauna. The genus Exochus and the species E. ablatus, E. izbus, T. azipas, T. riodinis, T. wardae, T. upermia and T. wascia, are recorded for the first time from Brazil. Diagnosis and distribution information for each species are provided.

BACKGROUND The implementation of intensive and complex approaches to monitor large carnivores is resource demanding, restricted to endangered species, small populations, or small distribution ranges. Wolf monitoring over large spatial scales is difficult, but the management of such contentious species requires regular estimations of abundance to guide decision-makers. The integration of wolf ma...

The reliability function of variable-rate Slepian-Wolf coding is linked to the reliability function of channel coding with constant composition codes, through which computable lower and upper bounds are derived. The bounds coincide at rates close to the Slepian-Wolf limit, yielding a complete characterization of the reliability function in that rate regime. It is shown that variable-rate Slepia...

Understanding the dynamics of wolf-dog hybridization and delineating evidence-based conservation strategies requires information on the spatial extent of wolf-dog hybridization in real-time, which remains largely unknown. We collected 332 wolf-like scats over ca. 5,000km2 in the NW Iberian Peninsula to evaluate wolf-dog hybridization at population level in a single breeding/pup-rearing season. ...

Wolf control to reduce cattle depredation is an important issue to ecology and agriculture in the United States. Two recent papers use the same dataset having wolf population characteristics and cattle depredation, but come to opposing conclusions concerning the link between wolf control and cattle depredation. Our paper aims to resolve this issue by using the same dataset and developing a mode...

Many animals, especially arthropods, use substrateborne vibration signals in communication (Hill 2008, 2009). Substrate-borne vibrations have been demonstrated as an important mode of communication in bugs (Virant-Doberlet & Cokl 2004; Cocroft & Rodriguez 2005; Rodriguez et al. 2008), lacewings (Henry 1994; Henry et al. 2002), wolf spiders (Uetz & Roberts 2002; Hebets & Papaj 2005; Gibson & Uet...

Let X be a complete noncompact Riemannian manifold with Ricci curvature and Sobolev radius (see §6 for the definition) bounded from below and Y a complete Riemannian manifold with nonpositive sectional curvature. We shall study some situations where a smooth map f : X → Y can be deformed continuously into a harmonic map, using a naturally defined flow. The flow used here is not the usual harmon...