Black Tree-ticker (species complex) Birrima varians (Germar, 1834)
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Male
Species number (TNS):        521. Fore wing length:               24–32 mm. Distribution and seasonality:  Subtropical and adjacent warm temperate areas from the Atherton Tableland in north- eastern Queensland south to Armidale in northern New South Wales. Adults occur from August to March, or occasionally as late as May in some seasons. Notable localities:             Carnarvon National Park, Atherton, Toowoomba, Greater Brisbane. Habitat:                                   Open forest. Often occurs in association with Forest Red Gum (Eucalyptus tereticornis). This species complex contains: Southern Tree-ticker (TNS: 521). Occurs from Bunya Mountains south to Armidale.                     Northern Tree-ticker (TNS: 522). Atherton Tableland, Eungella Plateau and Blackdown Tableland south to Nambour, Woodford and Somerset Dam.                                Central Tree-ticker (TNS:523). From Clermont south to Carnarvon National Park. Calling song and behaviour:    Slow, repeated “zeeeeeet” phrases emitted whilst in flight. . Males are very active and fly continuously, but will come to rest on trees, shrubs and occasionally on posts and other man-made structures. Females usually sit quietly on trees and shrubs. Similar species:                 Red Tree-ticker; also check genus Yoyetta.
Habitat
Female
Southern Tree-ticker
Northern Tree-ticker
Male
Female
Currently known extent
dr-pop.net database record:
Southern Tree-ticker
Northern Tree-ticker
Central Tree-ticker