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Acromantis formosana

Taiwan flower mantis

General Information

Scientific name: Acromantis formosana
Common name: Taiwan flower mantis
Distribution: Taiwan
Habitat:  -
Livespan: Female ~ 3,5 cm
Male ~ 3 cm
Livespan: Female up to 1 year
Male ~ 0,5 years
Colour variations: None
Aggressivity: Middle*
Difficulty: Middle (very small hatchlings)

*up to L4 group-housing possible (males in adult stages also in groups)


Order: Mantodea
Family: Hymenopodidae
Subfamily: Acromantinae
Tribe: Acromantini
Genus: Acromantis

First description (year): SHIRAKI (1911)

More species of this genus (similar housing and appearance):

  • Acromantis grandis (BEIER, 1930)
  • Acromantis japonica (WESTWOOD, 1889)


Enclosure (LxWxH):

  • Single-housing: from 15 x 15 x 15 cm
  • Group-housing: from 30 x 30 x 30 cm for 2- 3 couples
  • Small nymphs can be reared in smaller enclosures (for moulting they need twice their body length free space downwards)

Two ventilation areas (gaze at top + front) adviced to prevent waterglogging.

Days 25 - 30 °C, nights room temperature Zimmertemperatur (below 18°C no problem)

Relative humidity:
~ 50 - 60 %, spray every second day


  • Substrate: Soil, sand, kitchen paper, gravel, coco humus etc. (animals seldom stay on the ground)
  • Branches (also horizontal/bent) with ~0,5 - 1,0 cm diameter and bark pieces
  • Living or artificial plants (Beware of pesticides!)
  • Clean with vinegar or biodegradable glass cleaner (afterwards rinse with clear water)

Feeding Recommendation

L1/L2 Small fruit flies (Drosophila melanogaster)
L3/L4 Big fruit flies (Drosophila hydei)
L5 to adult Greenbottle flies

This species also feeds on crawling insects like crickets/roaches etc.

Feeder insects in the shop...

Gender Determination

In general: 8 visible sternites (ventral segments) at males, 6 at females (compare with Hierodula membranacea).


Adult stage (= full-grown + winged):
Amount of moults variates (especially under abnormal temperatures or injuries)

Sexually mature after adult moult:
Males ~ 1 week
Females ~ 2 weeks

Copulation duration:

Oothecae (egg-cases)
Size: ~ 18 mm
Form: squarish/long
Colour: brown
Oviposition place: -
First ooth after adult moult: -
Interval: ~ 7 - 10 days
Amount: -

Incubation and hatch
Duration: ~ 4 weeks
Temperatures like animals (see above), rel. humidity over 50% (with good ventilation)
Nymph quantity: -
Size freshly hatched (L1): < 5 mm

All given information only for orientation. Actual facts always depend on temperature and food availibility etc.!


This is a pretty little Boxermantis. Easy to recognize by the straight ending of its wings.

Since the newly hatched nymphs are very small, springtails (Collembola) or small firebrats should be available at the start.


  • Own experience
  • www.mantisonline.com (July 2017)