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Taxonomic group

Libellulidae: Diplacodes

Diagnostic features

Diplacodes dragonfly larvae are best recognised by the protruding eyes, and the lack of any obvious “teeth” on the labial palps (jaw-like structures used to grab prey). They lack spines on the dorsal surface of the abdomen.

Typical habitats

Diplacodes larvae are rarely recorded in New Zealand (this species is more common overseas). The bright red adults are sometimes observed around ponds or wetlands (where the larvae are likely to occur).


They are predators, feeding on other stream invertebrates.

Indicator value

Diplacodes are so infrequently recorded that they have not been assigned any tolerance values. Being wetland or pond inhabitants makes it unlikely that they would be useful indicators of water quality in streams.