Painted Lady caterpillar - Vanessa cardui Ackworth, Warren County, Iowa, USA July 4, 2009 Size: ~35 mm
Lone caterpillar on leaf of musk thistle (Carduus nutans) in disturbed area within grassy old field. Associated with sparse webbing and frass, which were both abundant on a slightly different part of the same plant (see third photo).
Images of this individual: tag all Contributed by John Pearson on 4 July, 2009 - 1:31pm Last updated 5 July, 2009 - 8:31am |