Summary description from Wikipedia:

Hemicordulia tau in languages:

English

Tau Emerald

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Parent Taxon

• Hemicordulia

Sibling Taxa

• Hemicordulia africana
• Hemicordulia apoensis
• Hemicordulia armstrongi
• Hemicordulia asiatica
• Hemicordulia assimilis
• Hemicordulia atrovirens
• Hemicordulia australiae
• Hemicordulia chrysochlora
• Hemicordulia continentalis
• Hemicordulia cupricolor
• Hemicordulia cyclopica
• Hemicordulia edai
• Hemicordulia eduardi
• Hemicordulia ericetorum
• Hemicordulia erico
• Hemicordulia fidelis
• Hemicordulia flava
• Hemicordulia gracillima
• Hemicordulia haluco
• Hemicordulia hilaris
• Hemicordulia hilbrandi
• Hemicordulia intermedia
• Hemicordulia kalliste
• Hemicordulia koomina
• Hemicordulia lulico
• Hemicordulia mindana
• Hemicordulia mumfordi
• Hemicordulia novaehollandiae
• Hemicordulia oceanica
• Hemicordulia ogasawarensis
• Hemicordulia okinawensis
• Hemicordulia olympica
• Hemicordulia pacifica
• Hemicordulia silvarum
• Hemicordulia similis
• Hemicordulia superba
• Hemicordulia tau
• Hemicordulia tenera
• Hemicordulia teramotoi
• Hemicordulia toxopei
• Hemicordulia tuiwawai
• Hemicordulia virens

Top Observation Places

• Hobart
• Launceston
• Bendigo
• Brisbane
• Perth
• Sydney
• Canberra
• Ballarat
• Geelong
• Adelaide
• Adelaide Hills
• Melbourne
• Point Cook
• Craigieburn
• Melbourne City Centre
• Tarneit
• Pakenham
• Reservoir
• Berwick
• Werribee