Live Dead Invertebrates as Food in Caves

Many cave cockroaches scavenge dead and injured invertebrates including conspecifics, and several have been re ported to take live victims. Both B. cavernicola (Roth, 1985) and Pyc. indicus (Roth, 1980) prey on the larvae of tinead moths; Pyc. indicus also appears to be the main predator of a hairy earwig (Arixenia esau) found on the guano heap. Crop contents of both Trog. nullarborensis and Para. rufa consisted of numerous small chitinous particles and setae. In Trog. nullarborensis it was possible to identify small dipterous wing fragments and lepi-dopterous scales (Richards, 1971).

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