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Corydiidae

Polyphaga obscura

· Chopard, 1929 · Corydiidae
Temperatur
24–30 °C
Größe (adult)
approx. 25–35 mm
Luftfeuchtigkeit
low to moderate, approx. 40–60%; 1/4–1/3 of the substrate kept damp
Herkunft
Central Asia (Afghanistan, Uzbekistan, Turkmenistan)
Bodengrund
5–8 cm of coco fibre without sand, with dry hardwood leaves on top
Futter
dry leaves, dry food, a little fruit and vegetables
Vermehrung
oviparous – oothecae are buried in the substrate and must not stay wet for long; females wingless, males winged
Entwicklung
up to about a year when warm, up to about 2 years when cooler
schwierigkeit: anspruchsvoll klettert an Glas: nein fliegt: ja
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Geschlechter, Stadien und Stolperfallen

Geschlechter unterscheiden

Foto folgt
♂ Männchen
Foto folgt
♀ Weibchen

Adulte

In the genus Polyphaga males are slender, winged and fly, while females are wingless and rounded, armadillo-like.

Nymphen

Nymphs look like small females – sexing them is not practical.

Entwicklungsstadien

Oothecae are buried in the substrate – hatching can take about 6 months. Development is slow. Adults are darker than P. saussurei and the oothecae straighter and more rigid.

Häufige Probleme

  • High nymph mortality; bacterial infections have been reported.
  • Oothecae are easy to dry out or rot – leave them alone and keep a damp corner.
  • Small appetite – dry protein food is the staple; fruit and vegetables are often ignored.

Gut zu wissen

Many “obscura” cultures are reportedly mislabelled P. saussurei. True P. obscura lines in culture are said to be parthenogenetic – females only.

Taxonomie

Ordnung
Blattodea
Familie
Corydiidae
Unterfamilie
Corydiinae
Aus meiner Zucht

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