Pycnoscelus surinamensis vs pallida

King Baboon

Arachnopeon
Joined
Jul 16, 2005
Messages
26
Is this a Pycnoscelus pallida?


how can i know of it's Phoetalia pallida or Pycnoscelus surinamensis?
 
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xelda

Arachnobaron
Old Timer
Joined
Jul 22, 2004
Messages
372
It's Phoetalia pallida. You can tell by looking at the pronotum--pallida have a more pronounced bordering whereas Surinams have a bold black pronotum. The body shape also isn't quite as round as the Surinams. And the actual body itself isn't as dark as the Surinams'.

If you're still not sure, just put them into a cage with peat moss substrate. Surinams will burrow but pallida won't.
 
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