Abstract
ABSTRACT. Habitat segregation in four species of tiger beetles, Cicindela cancellata Dejean, C.cardoni Fleutians, C.minuta Olivier and C.sumatrensis Herbst in a river bank ecosystem was studied in dry and wet seasons. The four species segregated distinctly along the river beds into separate habitats, with occasional overlapping in both the seasons. Among the habitat characteristics considered, vegetation, soil moisture and available prey‐size were found to be important in species segregation. D 2‐analysis showed that the habitat preferences of C.cardoni and C.cancellata were closer to that of C.sumatrensis. The habitat of C.minuta was distinctly separated. There was a positive correlation between the mandible length of each tiger beetle species and the length of prey captured. Variance in mandible length within species was related to prey‐length distribution pattern and to variance in habitats.
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