Measurements of the diet in two species of Troglophilus Krauss, 1879 cave crickets from Italian subterranean habitats (Orthoptera, Rhaphidophoridae)
2014
The diet of two populations of cave crickets, Troglophilus cavicola from Veneto, northern Italy and Troglophilus andreinii from Apulia, southern Italy, were studied by analyzing faecal and gut contents. The results obtained document different food preferences in these two species. In the Troglophilus cavicola population arthropod remains were dominant in the diet, whereas in the T. andreinii population vegetables (green and fibres) were the more abundant food category. Furthermore, study of the overlap of food resource exploitation among age and sex sub-samples seems to indicate a separation of diet among the young instars and other age classes of the populations. Differences in diet between males and females were observed only in the population of T. andreinii.
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