Major Group: Insecta
Order: Odonata
Family: Hemicorduliidae
Genus: Hemicordulia |
Descriptive Features: labial palps with 8-9 dentations
7-9 large palpal setae
9-12 pairs of premental setae
horn-like projections may be present in early instar larvae of all species, but in late instars small elevations are only known in H. superba
mid-dorsal abdominal spines or humps present or absent
lateral spines on abdominal segments 8 and 9
lateral triangular sclerites detectable on segments 3-6 and 8 (missing from segment 7 only)
segment 10 somewhat sunken into segment 9
Total length 16 - 24 mm
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Hemicordulia australiae |
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Hemicordulia australiae, male |
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Taxonomic Checklist: Species
Hemicordulia australiae Rambur
Hemicordulia continentalis Martin
Hemicordulia flava Theischinger & Watson
Hemicordulia intermedia Selys
Hemicordulia kalliste Theischinger & Watson (nymph unknown)
Hemicordulia koomina Watson
Hemicordulia novahollandiae Selys (nymph unknown)
Hemicordulia superba Tillyard
Hemicordulia tau Selys |
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Distribution: Australia wide
Functional Feeding Group: predators |
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Murray River at Albury NSW |
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Information Sources: Hawking & Theischinger 1999, Theischinger 2007
Key to Species: Theischinger 2007 |
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