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Deroplatys truncata

Dead leaf mantis

Deroplatys truncata female display

General Information

Scientific name: Deroplatys truncata
Common name: Dead leaf mantis
Distribution: Malay Peninsula, Sumatra, Java, Borneo, New Guinea
Habitat: Trunks, close to the ground in tropical rainforests
Size: Female up to 7 cm
Male ~ 4,5 cm
Livespan: Female up to 2 years
Male ~ 1 year
Colour variations: Light brown, dark brown, almost black
Aggressivity: Middle*
Difficulty: Middle

*up to L3/L4 group-housing possible (males in adult stages also in groups)

Systematics

Order: Mantodea
Family: Mantidae
Subfamily: Deroplatyinae
Tribe: Deroplatyini
Genus: Deroplatys

First description (year): GUÉRIN-MÉNEVILLE (1843)

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

Keeping

Enclosure (LxWxH):

  • Single-housing: from 20 x 20 x 30 cm
  • Group-housing: from 30 x 30 x 30 cm for 3 adult males
  • 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 25 – 30 °C, nights room temperature (below 18°C no problem)

Relative humidity:
Days ~ 60 – 80 %, nights a little higher

Set-up:

  • Substrate: Soil, moss and dry leaves (animals often stay on the ground)
  • Branches (also horizontal/bent) 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 Big fruit flies (Drosophila hydei) or firebrats
L3/L4 Greenbottle flies or small crickets/roaches/firebrats etc.
L5 – to adult Bluebottle flies and crawling insects

This species preferrably 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: very big pronotum (like a “Delta”)

Biology

Adult stage (= full-grown + winged):
Females in L9, males in L7
Amount of moults variates (especially under abnormal temperatures or injuries)

Sexually mature after adult moult:
Males ~ 3 weeks
Females  ~ 4 weeks

Copulation duration:
~ 10 – 20 hours

Details about hatching rates and incubation duration not yet secure. Probably similar to D. lobata.

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

More

With a little luck you can experience the impressive threat behavior of Deroplatys truncata. At rest, however, they are well camouflaged between dry branches and leaves.

They also like lurking near the ground.

Sources

  • www.mantisonline.de (July 2017)

Pictures

Deroplatys truncata L1
Deroplatys truncata female display