Canadian Worm
Aporrectodea tuberculata (Eisen) (Lumbricidae)
- 90-150 x 4-8 mm
- 146-194 segments
- Palaearctic origin
- Sexual reproduction; copulates below ground
- Aestivation and hibernation are climatically imposed
- Not pigmented, mainly endogeic habit
- Much soil ingested; also organic matter, including plant material
- Casting at the soil surface
- A common earthworm in Central Valley orchards
