Observations on site fidelity in the imperial hairstreak, Jalmenus evagoras (Donovan, 1805) (Lepidoptera: lycaenidae), at Toorourong Reservoir, Victoria
Long-term observations spanning more than 20 years are reported on a breeding colony of Jalmenus evagoras (Donovan) at Toorourong Reservoir, Whittlesea, Victoria. The colony, which is still extant, persisted at this site for at least 21 years (from December 1989 to February 2011) and utilised a 7 m tall tree of Acacia melanoxylon for a minimum of 12 years and a likely maximum of 15-24 years.
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