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Pseudovates arizonae

Arizona unicorn mantis

General Information

Scientific name: Pseudovates arizonae
Common name: Arizona unicorn mantis
Distribution: Texas and Mexico
Habitat: Bushes and trees
Size: Female ~ 8 cm
Male ~ 7 cm
Livespan: Female up to 1,5 years
Male up to 1 year
Colour variations: None
Aggressivity: Low*
Difficulty: Difficult (food specialist + heat-loving)

*group-housing in all stages possible
No guarantee against cannibalism! Always feed very well – especially adult females.


Order: Mantodea
Family: Mantidae
Subfamily: -
Genus: Pseudovates

First description (year): HEBARD (1835)


Enclosure (LxWxH):

  • Single-housing: from 20 x 20 x 30 cm
  • Group-housing: from 45 x 45 x 40 cm for ~ 3 adult 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 28 - 35 °C, nights ~ 20 °C

Relative humidity:
Days ~ 30 - 40 %, spray twice a week


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

Feeding Recommendation

L1 Small fruit flies (Drosophila melanogaster)
L2/L3 Big fruit flies (Drosophila hydei)
L4/L5 Greenbottle flies
L6 to adult Bluebottle flies

This species should not be fed with 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: Males are smaller and have longer antennae than females.


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

Sexually mature after adult moult:
Males ~ 2 weeks
Females ~ 2 - 3 weeks

Copulation duration:

Oothecae (egg-cases)
Size: -
Form: -
Colour: -
Oviposition place: -
EFirst ooth after adult moult: ~ 4 weeks
Interval: ~ 2 - 3 weeks
Amount: up to 6 oothecae

Incubation and hatch
Duration: ~ 4 - 5 weeks
Temperatures like animals (see above), rel. humidity over 50% (with good ventilation)
Nymph quantity: ~ 30 
Size freshly hatched (L1): -

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


Pseudovates arizonae needs a dry and warm environment (spray only twice a week). As is is specialised on flying insects, they can be kept in groups easily.


  • www.swissmantis.ch (November 2007) Website not available anymore