COMPLICATED ROUTES OF THE SYNHOSPITALIC PAIRS OF THE GENUS COLOCASZOMYZA IN JAVA, WITH DESCRIPTIONS OF TWO NEW SPECIES (DIPTERA, DROSOPHILIDAE)

Abstract

A new synhospitalic couple of the genus Colocasiomyia de Meijere, C. xanthogaster and C. heterodonta, breeding in the inflorescences of the genera Homalomena and Aglaonema (Araceae) are described. New host plants of Colocasiomyia species are also reported with the population constitutions of the two couples in the host plants. Host preference and interspecific competition between females are also discussed.