Blaptica dubia (Serville, 1838)


  • claraziana (Saussure, 1864)
  • ligata (Brunner von Wattenwyl, 1865)

Common names: Guyana Spotted Roach
Useful information: Non-climbers, flightless but males can jump.
Distribution: Paraguay; Uruguay; Argentina
Size: 42-50 mm
Reproduction and ontogeny: Ovovivipary. They are maturing in 3-5 months (depends on temperature). There are 20-30 babies in one litter.
Morphology: The nymphs are brown, adult are usually dark, nearly black. Their color is vary between orange to black. Males are macropterous females are brachypterous. On the pronotum is an easily recognizable large dark spot wich can vary too.

  • Temperature: 22°C-35°C // 71°F-95°F
  • Humidity: 30%-50%
  • Food: Vegetables, fruits, protein (dry cat or dog food) and some rotten wood with dried leaves.
  • Other information: This is a common feeder species. Can be kept on egg crates with substrate or without. They are enjoying to burrow so it’s better for them if they kept on a slightly deep substrate.

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