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Polyspilota aeruginosa

Madagascan marbled mantis

Polyspilota aeruginosa female adult

General Information

Scientific name: Polyspilota aeruginosa
Common name: Madagascan marbled mantis
Distribution: Afrika
Habitat: Bushes and trees in poor vegetation areas
Size: Female up to 9 cm
Male ~ 8 cm
Livespan: Female up to 1,5 years
Male up to 1 year
Colour variations: Mostly green and brown, rarely with pink or yellow tones
Aggressivity: High*
Difficulty: Easy

*up to L2/L3 group-housing possible

Systematics

Order: Mantodea
Family: Mantidae
Subfamily: Mantinae
Tribe: Mantini
Genus: Polyspilota

First description (year): GOEZE  (1778)

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

  • Polyspilota aeruginosa  GIGLIO-TOS (1911)

 

Keeping

Enclosure (LxWxH):

  • Single-housing: from 20 x 20 x 30 cm
  • 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.

Temperature:
Days 22 – 30 °C, nights room temperature (below 18°C no problem)

Relative humidity:
Days ~ 40 – 60 %, nights little higher

Set-up:

  • Substrate: Soil, sand, gravel, coco humus etc. (animals sometimes 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 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).

Additionally:

  • adult: Females thicker and males thin with wings reaching over abdominal end

Biology

Adult stage (= full-grown + winged):
Females in L10, males in L9
Amount of moults variates (especially under abnormal temperatures or injuries)

Sexually mature after adult moult:
Males ~ 2 weeks
Females ~ 4 weeks

Copulation duration:
~ 9 – 15 hours

Oothecae (egg-cases)
Size: up to 3 cm
Form: half-round, egg-shaped
Colour: light or dark brown
Oviposition place: thick branches or bark
First ooth after adult moult: ~ 6 weeks
Interval: ~ 10 – 14 days
Amount: up to 5 oothecae

Incubation and hatch
Duration: ~ 4 – 6 weeks
Temperatures like animals (see above), rel. humidity over 50% (with good ventilation)
Nymph quantity: ~ 100
Size freshly hatched (L1): ~ 5 mm

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

More

Polyspilota aeruginosa has a typical praying mantis shape. In adult stages it is grey and marbled. When displaying the blue dot at each inner fang arm (coxae) is visible. Males usually have a light green stripe along the side of the outer wings.

Sources

  • Own experience
  • www.mantisonline.de (August 2017)

Pictures

Polyspilota aeruginosa male pre-subadult
Polyspilota aeruginosa male subadult
Polyspilota aeruginosa nymph
Polyspilota aeruginosa female pre-subadult
Polyspilota aeruginosa female subadult
Polyspilota aeruginosa female adult
Polyspilota aeruginosa ootheca
Polyspilota aeruginosa L1