Spur-legged Stick Insect - Didymuria violescens

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The appearance of these insects can vary. Typically, male Spur-legged Stick Insects (Didymuria violescens) are brown but can be green in colour, with brown to purplish hindwings, and have 3 conspicuous ‘spurs’ on their rear limbs. Females are larger and more robust than males, and are typically green but can be brown, with whitish to pink hindwings.
They are found in south-eastern Australia, from south-eastern QLD to central Vic and Tas. They inhabit a wide variety of wooded habitats, and feed on gum leaves, particularly those of Mountain Ash and Alpine Ash. Occasionally, these insect populations grow so large that they defoliate entire trees. Males are capable of flight but, if disturbed, will typically drop to ground and remain motionless, feigning death.
This species features in my book ‘A Naturalist’s Guide to the Insects of Australia’, which I co-authored with Rachel Whitlock in 2018. The 2nd edition of this title is due for release in October 2022. This image was taken in my front garden a few years prior after I found this individual clinging to the outside of my car after driving home one day.

Location: 73 Burke Rd, Dapto NSW 2530, Australia

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Image ID: 4213
Copyright: Peter Rowland - www.prpw.com.au
Photographer: Peter Rowland

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Camera Make: NIKON CORPORATION
Camera Model: NIKON D750
X Resolution: 300 dpi
Y Resolution: 300 dpi
Resolution Unit: Inch
Software: Adobe Photoshop Lightroom Classic 11.4.1 (Macintosh)
Date/Time (Modified): 2022:07:22 21:04:28
Artist: Peter Rowland Photographer & Writer
Copyright: Peter Rowland - www.prpw.com.au
Exposure Time: 4 ms
FNumber: 36
Exposure Program: Manual
ISO Speed Ratings: 100
Shutter Speed Value: 1/250 s
Aperture Value: f/36
Exposure Bias Value: 1/3
Max Aperture Value: 3.4
Metering Mode: Center Weighted Average
Flash: Flash did not fire, compulsory flash mode
Focal Length: 60 mm
Color Space: sRGB
Focal Plane X Resolution: 1676
Focal Plane Y Resolution: 1676
Focal Plane Resolution Unit: Centimeter
Sensing Method: One-chip color area sensor
File Source: DSC
Scene Type: Unknown
CFA Pattern: Red
Exposure Mode: Manual exposure
Digital Zoom Ratio: 1
Focal Length (35mm format): 60 mm
Latitude: 34° 30' 32.552448" S
Longitude: 150° 47' 16.326336" E

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