Faggot Pyramid Case Moth
(Photo: courtesy of Rose Robin, Tamborine Mountain, Queensland)
This Caterpillar initially attaches a set of three or four sticks in a triangle or square around its case, generally all of a similar length, attaching them at right angles to the axis of the case.
As the caterpillar grows longer, it attaches a new set similarly arranged to the old set, except that they are slightly longer, so that the size of the new part of the case is bigger, but aligned with the previous set. So the case grows like an irregular pyramid.
One has been found feeding on
The caterpillar itself is mainly plain brown with no obvious markings, excepting having a dark brown head, and white joins between the segments.
This may the same species as Undetermined Psychid AG, but its case has a more irregular construction and it may be the same species as Undetermined Psychid AH, just forgetting to add the twist for each layer of sticks.
(written 19 April 2016, updated 24 September 2017, 21 April 2022)