An understanding of the species richness of parasitoids, where they are most diverse, and
how they interact is necessary for implementing effective insect pest management …

Human commerce has resulted in the spread of the imported fire ants, Solenopsis species,
worldwide. Six species of parasitic Pseudacteon phorid flies that are highly host specific to …

Aim To analyse quantitatively the extent to which several methodological, geographical and
taxonomic variables affect the magnitude of the tendency for the latitudinal ranges of species …

Phorid fly parasitoids (Diptera: Phoridae) have evolved a diverse array of cues used to
successfully parasitize their ant hosts. Successful parasitism often involves (a) host habitat …

The ecological and evolutionary dynamics of newly introduced invasive species can best be
understood by identifying the source population (s) from which they originated, as many …

Abstract In Colombia, like most Neotropical countries, faunistic studies on flower flies have
been occasional and most of them have been primarily focused on taxonomy. Colombia is …

Over the last 50 yr, the geographical distribution of soybean crop production in Brazil has
expanded from the southern region to Maranhão state in the north. We evaluated if this …

The distribution and abundance of fire ant decapitating flies (Diptera: Phoridae:
Pseudacteon Coquillett) were studied in three regions of southern South America, primarily …

ABSTRACT Aim To test the Rapoport effect using null models and data sets taken from the
literature. We propose an improvement on an existing method, testing the Rapoport effect in …

Fire ant populations in their South American homeland are about 1/5 to 1/10 as dense as
populations in North America (Porter et al., 1992; Porter et al., 1997a). This intercontinental …