Reports

Competition Between Ant Species: Outcome Controlled by Parasitic Flies

Science  13 Nov 1981:
Vol. 214, Issue 4522, pp. 815-817
DOI: 10.1126/science.214.4522.815

Abstract

Experimental evidence demonstrates that the parasitic phorid fly Apocephalus shifts the competitive balance between the ant species Pheidole dentata and Solenopsis texana by interfering with the defensive behavior of Pheidole dentata major workers (soldiers). This represents one of the first examples of a parasite affecting competitive interactions anmong terrestrial animals in natural communities. Similar complex interactions are probably common in many ant communities.

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