Trichorhachus sp 1

Meaning of name: Trichorhachus is derived from the Greek words meaning hair and thorn, referring to the bristly antennae.

Distribution: Found in the southwest of Western Australia.

Remarks: The adult insects are approximately 6 millimetres long. The larvae of Trichorhachus sawflies feed on plants from the Conospermum genus.

We have photographed this species in September.

Associations: Conospermum triplinervium

References: Identification and information courtesy of Terry Houston, WA Museum.

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