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Numbers in the drawing: look here to identify it

  1. Red, blue, purple, white, and black pattern inside the front legs
  2. Cone-shaped crest on the head
  3. Leaf-like lobes on the legs and abdomen

Mantises of the world

Devil's flower mantis

Idolomantis diabolica · Devil's flower mantis

Flower mimicThreat display

Usually a muted color, but when threatened it spreads its front legs to suddenly reveal red, blue, and white markings.

Scientific name
Idolomantis diabolica
English name
Devil's flower mantis
Family
Conehead mantises (Empusidae)
Body length
Females about 10–13 cm, males about 8–10 cm (varies by source)
Range
East Africa (Ethiopia, Kenya, Tanzania, Uganda, Malawi, Somalia, South Sudan)
Range
Hot, dry scrubland

What kind of mantis is it?

It may be the largest of the flower-mimicking mantises. At rest it is pale green, beige, or brown, looking like a dry petal or a piece of plant.

How to identify it

  • Red, blue, purple, white, and black markings are hidden on the broad inner part of the front legs.
  • There is a cone-shaped crest on the head.
  • There are leaf-like lobes on the legs and body.

Size comparison

Devil's flower mantisUp to 130 mm
Chinese mantisUp to 101 mm
₩500 coin (diameter)26.5 mm
02468101214cm

Body length runs from the head to the tip of the abdomen, using the maximum of the larger sex. The bars only show relative size, so they don't match real size on screen.

Look-alikes

Devil's flower mantisThis page
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  1. Red, blue, purple, white, and black pattern inside the front legs
  2. Cone-shaped crest on the head
  3. Leaf-like lobes on the legs and abdomen
Wandering violin mantisGo see →
1234
  1. Very thin, long pronotum
  2. Wide abdomen: violin-shaped from above
  3. Leaf-like lobes on thin legs
  4. Black and pink pattern inside the front legs

Versus the wandering violin mantis: the wandering violin mantis, in the same family (Empusidae), has a much thinner body and a longer pronotum.

Range

It lives in hot, dry scrubland in East Africa. According to care sources it needs high daytime temperatures of 30–40°C.

Behavior

When threatened, it raises its front legs and spreads them outward and opens its wings to look bigger while showing the bright colors inside its front legs. This behavior is called a threat display.

It mostly catches flying insects such as flies and moths.

Fun facts

  • It is known as a hard mantis to keep because it is easily stressed.

Body length differs a lot between sources, so we give a range.

Sources

  1. Wikipedia — Idolomantis
  2. Keeping Insects — Devil's flower mantis