Pergagrapta bicolor

A sawfly at Acton, ACT

Pergagrapta bicolor at Acton, ACT - 2 Dec 2020
Pergagrapta bicolor at Acton, ACT - 2 Dec 2020
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Identification history

Pergagrapta bicolor 9 Jul 2021 KimPullen
Perga sp. (genus) 1 Jan 2021 MichaelMulvaney
Perga sp. (genus) 3 Dec 2020 michael.batley
Hylaeus (Hylaeorhiza) nubilosus 3 Dec 2020 WHall

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3 comments

WHall wrote:
   3 Dec 2020
Hi Michael, can you give your reasons for the identification you proposed.

Bill
   4 Dec 2020
Hi Bill.
The pattern formed by the way the plates of the thorax fit together is rather different to that found in bees. To oversimplify, the top of the thorax between the wing bases is smooth in bees, never lumpy in the way shown in your images. The legs are much thinner than those of nearly all bees and the shape, length and number of segments of the antennae differ from those of bees.
WHall wrote:
   4 Dec 2020
Many thanks for this explanation.

Bill

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Location information

Sighting information

  • 1 Abundance
  • 2 Dec 2020 02:11 PM Recorded on
  • WHall Recorded by

Additional information

  • 12mm to 25mm Animal size

Species information

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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