creature and sketches by manzanedo
The anal hooks on a dobsonfly (Corydalus). Order: Megaloptera, Family: Corydalidae. Millbrook, NY
INTERNAL ANATOMY of a FEMALE SPIDER
- Spiders have an alimentary canal (yellow),
- a blood vascular system (red),
- a breathing system (orange),
- a nervous system (blue),
- an excretion system (green),
- a reproduction system (white)
- a set of glands for the production of silk (white at the rear).
IMAGE Credit: B. & M. Baehr, Welche Spinne ist das?
1987, Kosmos naturführer, Stuttgart, Germany