Home Other Invertebrates Flatworms (Platyhelminthes) Artioposthia howitti

Artioposthia howitti

Howitt's planarian

Eyes contour the anterior tip and continue posteriorly in a staggered sub-marginal row. Colour and markings highly variable. Dorsum strongly convex, ventrally flat, tapering anteriorly, terminating more bluntly posteriorly. Ground colour of the dorsal surface yellowish white. In the mid dorsum is a broad longitudinal strip of ground colour, bordered on each side by paired lateral dorsal stripes of about an equal width of dark purplish brown (though this can vary from a light to dark brown colour), bordered externally by a broader band of ground colour thickly flecked with brown striae and flecks, external to which is a thin strip of ground colour. Ventral surface pale yellowish, white or grey with no markings. Living specimens up to 50 mm long and 5 mm wide. Can be fast moving. 

Artioposthia howitti is listed in the following regions:

Canberra & Southern Tablelands

Page 1 of 1 - image sightings only

Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 18 Sep 2023 by danswell Artioposthia howitti (Howitt's planarian) at Wombeyan Caves, NSW - 31 May 2023 by trevorpreston Artioposthia howitti (Howitt's planarian) at Captains Flat, NSW - 4 Jan 2023 by acquilkey Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 11 Dec 2022 by danswell Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 10 Dec 2022 by danswell Artioposthia howitti (Howitt's planarian) at Farringdon, NSW - 3 Sep 2019 by Christine
Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 18 Sep 2023 by danswell
Artioposthia howitti (Howitt's planarian) at Wombeyan Caves, NSW - 31 May 2023 by trevorpreston
Artioposthia howitti (Howitt's planarian) at Captains Flat, NSW - 4 Jan 2023 by acquilkey
Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 11 Dec 2022 by danswell
Artioposthia howitti (Howitt's planarian) at Tinderry, NSW - 10 Dec 2022 by danswell
Artioposthia howitti (Howitt's planarian) at Farringdon, NSW - 3 Sep 2019 by Christine

Species information

  • Artioposthia howitti Scientific name
  • Howitt's planarian Common name
  • Not Sensitive
  • Local Native
  • Non-Invasive
  • Up to 1416.09m Recorded at altitude
  • Machine learning
  • External link More information

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Location information

2,099,601 sightings of 19,106 species in 5,076 locations from 10,178 contributors
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