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Spiny Devil Katydid (Panacanthus cuspidatus) nymph on rainforest leaf The Peruvian rainforest is full of katydids. Most of the ones I saw were leaf mimics, but this species is more of a monster mimic. Geotagged,Panacanthus cuspidatus,Peru,Spiny Devil Katydid,Summer Click/tap to enlarge

Spiny Devil Katydid (Panacanthus cuspidatus) nymph on rainforest leaf

The Peruvian rainforest is full of katydids. Most of the ones I saw were leaf mimics, but this species is more of a monster mimic.

    comments (6)

  1. A photo of a nymph transforming into an adult is here:
    A Spiny Devil Katydid transforming into an adult near Iquitos, Peru In preparation for an upcoming return to the Amazonian lowlands of Peru, I was looking through my photos from previous trips and rediscovered this beastie. These katydids are strange enough in their standard adult form, but this one, hanging from the skin while transforming from larva to adult, looks like nothing more than a creature from Alien. Also, it was intermittently wriggling, then hanging still. Geotagged,Panacanthus cuspidatus,Peru,Spiny Devil Katydid,Summer
    Posted 9 years ago
  2. Oh my goodness, a monster indeed, really awesome! Posted 9 years ago
  3. This stuff just makes my day, the weirder the better! Posted 9 years ago
    1. I have a couple of really nice leaf-mimic mantids from this area, but I could only identify them to the genus level. Maybe I should post them here anyway. Posted 9 years ago
      1. By all means do, identification is not mandatory, the only thing "mandatory" or desirable is that one makes an effort. In some cases, it's just not possible to bring it to the species level. In that case, we still have the image to enjoy, so don't hold back :) Posted 9 years ago
  4. OK, you talked me into it. Here are my two nice leaf-mimic mantids from this area:

    http://www.jungledragon.com/image/35760
    http://www.jungledragon.com/image/35761
    Posted 9 years ago

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Panacanthus cuspidatus is one of the conehead katydids, all of which have a spike sticking up from the tops of the heads. In this case, the spike is a huge, three-pointed red horn. The rest of the head and the legs are also covered by spines. It uses its extremely powerful jaws to feed on forest seeds and fruits. Unlike most katydids, this one can easily break human skin with its bite.

Similar species: Grasshoppers And Crickets
Species identified by John Sullivan
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By John Sullivan

All rights reserved
Uploaded Jan 19, 2016. Captured Jan 16, 2014 19:20 in Unnamed Road, Mazán, Peru.
  • PENTAX K-5
  • f/14.0
  • 1/160s
  • ISO400
  • 100mm