![]() In Exit Cave, there was no consistent seasonal pattern in the number of larvae glowing among sites, and overall there was less variation between monthly counts than at Mystery Creek Cave. In Mystery Creek Cave, the number of larvae glowing was generally highest during summer and autumn and lowest in winter and early spring. Larvae were present throughout the year but the number glowing varied both seasonally and spatially. The increase in numbers of pupae and adults coincided with an increase in the number of prey caught in silk threads produced by the larvae. ![]() A strong seasonal pattern was found, with pupae and adults most common in spring and summer. tasmaniensis were monitored over 24 months. ![]() To conserve and manage these populations, particularly in response to potential tourism development, a better understanding of their ecology is needed. The light displays by the Tasmanian Glow-worm, Arachnocampa tasmaniensis Ferguson (Diptera: Keroplatidae), in Exit and Mystery Creek caves in southeast Tasmania, Australia have been recognised as a world heritage value under the criterion relating to outstanding natural phenomena.
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