Eupolyphaga sinensis (Chinese Medicinal Roach)

Housing:

Something like a gallon container works well for a starter culture, eventually as their numbers rise, you'll want to move them to a larger enclosure. High ventilation levels are recommended, this species can be quite prone to fungal infections if not given adequate airflow. This species enjoys high humidity levels, which is rather unusual for a Corydiid.

Substrate about 2-3 inches deep should be provided, preferably coconut fiber, potting soil, peat moss, etc., sand is highly advised against. On top of the substrate, you should also provide a 1-2 inch layer of decaying hardwood leaf litter, as all life stages enjoy feeding on leaf litter. No hides are needed, as all life stages spend most of their time underground.


Diet:

Dog/cat/chick feed and leaf litter are the most important food sources for this species. They'll also eat fruits with more vigor than most other Corydiids, veggies usually seem to go ignored unless they're starving.


Temperature:

These roaches will breed when kept anywhere from 70-85F°, but breed and grow best when kept at 75F° or above.


Breeding/Life cycle:

Adult females live for around 8 months on average, whilst adult males are luck to live 1 month. Females lay and deposit oothecae directly into the substrate, roughly once a week, (depending on the temperature), and ooth size varies wildly, with each one containing anywhere from 6 to 20 eggs. The ooths take 2-3 months to hatch, and the resulting nymphs take around 6-8 months to mature, so long as they are kept warm and fed protein based foods regularly, (if kept too cool or not fed properly it can take much longer for nymphs to mature). It should be noted that if protein isn't offered regularly, this species will regularly cannibalize their ooths.