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 …

Global change is resetting the spatial and ecological equilibrium of complex co-evolutionary
relationships between plants and their insect herbivores. We review the mechanisms at play …

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 majority of general life‐history models treat the environment as being invariable through
time, even though temporal variation in selective agents could dramatically change the …

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

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 …

Aim Saevissima group fire ants, Solenopsis richteri and S. invicta, have become serious
pests when introduced from Argentina and Brazil to other continents. In South America …

Natural enemies of the imported fire ants, Solenopsis invicta Buren, S. richteri Forel
(Hymenoptera: Formicidae), and their hybrid, include a suite of more than 20 fire ant …

Leaf-cutting ants in the genus Atta F.(Formicidae, Attini) are among the most important pest
arthropods in Central and South America, consuming more vegetation than any other animal …

Pseudacteon flies (Diptera: Phoridae) parasitize individual ant workers, causing
decapitation of the host during pupariation. Phorid flies that attack South American fire ants …